Incumbents defeated in state legislative elections, 2014

Last updated on April 10, 2025

There were 6,051 state legislative seats up for election on November 4, 2014, in 46 states. This page analyzes incumbents defeated in those elections. An incumbent may be defeated at two points in an election cycle: during a primary and during a general election.

In 2014, 382 incumbents lost their re-election bids: 251 in general elections and 131 in primaries. This was the smallest number of incumbents defeated in state legislative elections since Ballotpedia began gathering data in 2010.

On this page, you will find:

• Incumbents defeated in general elections
• Incumbents defeated in primaries
• State-by-state breakdowns

Incumbents defeated in general elections

In state legislative general elections, 251 incumbents lost to challengers, 5% of incumbents running for re-election. This was the smallest number and percentage of incumbents defeated in state legislative elections since Ballotpedia began gathering data in 2010.

In 2014 general elections:

219 Democratic incumbents lost, 9% of the 2,393 Democratic incumbents who ran and 14.8% of the 1,477 contested Democratic incumbents.

32 Republican incumbents lost, 1% of the 2,498 Republican incumbents who ran and 2.1% of the 1,493 contested Republican incumbents.

The total number of incumbents defeated in general elections—251—was less than in 2012 (287), representing a 13% decrease.

In 2014

Click [show] on the table below to view general election incumbent defeat statistics by state in 2014. Hover over column headings to learn more about their contents.

State legislative incumbents defeated in general elections, 2014
State
	Democratic			Republican			Total
	Filed	Def.	%	Filed	Def.	%	Filed	Def.	%
Nationwide	2,393	219	9.2%	2,498	32	1.3%	4,901	251	5.1%
Alabama	41	4	9.8%	69	0	0.0%	111	4	3.6%
Alaska	18	0	0.0%	27	1	3.7%	45	1	2.2%
Arizona	26	1	3.8%	38	1	2.6%	64	2	3.1%
Arkansas	43	10	23.3%	40	0	0.0%	83	10	12.0%
California	45	4	8.9%	22	0	0.0%	67	4	6.0%
Colorado	36	4	11.1%	23	2	8.7%	59	6	10.2%
Connecticut	103	9	8.7%	58	1	1.7%	161	10	6.2%
Delaware	30	2	6.7%	17	0	0.0%	47	2	4.3%
Florida	42	5	11.9%	79	0	0.0%	121	5	4.1%
Georgia	72	0	0.0%	139	0	0.0%	212	0	0.0%
Hawaii	49	0	0.0%	6	0	0.0%	55	0	0.0%
Idaho	15	0	0.0%	73	2	2.7%	88	2	2.3%
Illinois	80	1	1.3%	43	0	0.0%	123	1	0.8%
Indiana	36	5	13.9%	79	1	1.3%	115	6	5.2%
Iowa	55	5	9.1%	54	0	0.0%	109	5	4.6%
Kansas	29	3	10.3%	80	0	0.0%	109	3	2.8%
Kentucky	54	3	5.6%	52	1	1.9%	106	4	3.8%
Maine	81	11	13.6%	42	2	4.8%	127	13	10.2%
Maryland	95	7	7.4%	31	0	0.0%	126	7	5.6%
Massachusetts	148	3	2.0%	30	0	0.0%	178	3	1.7%
Michigan	40	2	5.0%	56	0	0.0%	96	2	2.1%
Minnesota	68	11	16.2%	51	0	0.0%	119	11	9.2%
Missouri	48	5	10.4%	100	0	0.0%	148	5	3.4%
Montana	30	2	6.7%	46	4	8.7%	76	6	7.9%
Nebraska	2	0	0.0%	5	0	0.0%	7	0	0.0%
Nevada	26	7	26.9%	17	0	0.0%	43	7	16.3%
New Hampshire	169	43	25.4%	135	3	2.2%	304	46	15.1%
New Mexico	31	5	16.1%	27	1	3.7%	58	6	10.3%
New York	125	4	3.2%	65	0	0.0%	190	4	2.1%
North Carolina	52	1	1.9%	102	4	3.9%	154	5	3.2%
North Dakota	10	1	10.0%	49	2	4.1%	59	3	5.1%
Ohio	30	3	10.0%	56	0	0.0%	86	3	3.5%
Oklahoma	25	0	0.0%	70	1	1.4%	95	1	1.1%
Oregon	38	0	0.0%	21	2	9.5%	59	2	3.4%
Pennsylvania	90	4	4.4%	108	0	0.0%	198	4	2.0%
Rhode Island	92	7	7.6%	9	0	0.0%	102	7	6.9%
South Carolina	41	0	0.0%	71	1	1.4%	112	1	0.9%
South Dakota	16	2	12.5%	58	1	1.7%	74	3	4.1%
Tennessee	27	2	7.4%	69	0	0.0%	96	2	2.1%
Texas	55	2	3.6%	83	0	0.0%	138	2	1.4%
Utah	13	1	7.7%	61	0	0.0%	74	1	1.4%
Vermont	105	11	10.5%	44	0	0.0%	152	11	7.2%
Washington	63	4	6.3%	47	0	0.0%	110	4	3.6%
West Virginia	54	22	40.7%	44	1	2.3%	98	23	23.5%
Wisconsin	36	3	8.3%	51	0	0.0%	87	3	3.4%
Wyoming	9	0	0.0%	51	1	2.0%	60	1	1.7%

Historical comparison

The chart below shows a partisan breakdown of incumbents defeated in general elections from 2010 to 2014.

Click [show] on the table below to view general election incumbent defeat statistics by state from 2010 to 2014. Hover over column headings to learn more about their contents.

State legislative incumbents defeated in general elections, 2010-2014
State
	2010		2012		2014
	Def.	%	Def.	%	Def.	%
Nationwide	495	10.2%	287	6.3%	251	5.1%
Alabama	22	19.5%	-	-	4	3.6%
Alaska	3	6.7%	9	17.3%	1	2.2%
Arizona	6	12.8%	4	7.0%	2	3.1%
Arkansas	6	9.5%	6	7.1%	10	12.0%
California	0	0.0%	3	5.4%	4	6.0%
Colorado	7	10.9%	4	7.8%	6	10.2%
Connecticut	13	7.8%	4	2.5%	10	6.2%
Delaware	3	6.4%	3	6.0%	2	4.3%
Florida	5	5.3%	5	4.7%	5	4.1%
Georgia	3	1.6%	3	1.5%	0	0.0%
Hawaii	1	1.8%	3	4.5%	0	0.0%
Idaho	2	2.2%	2	3.0%	2	2.3%
Illinois	7	5.6%	5	3.6%	1	0.8%
Indiana	10	9.0%	5	4.9%	6	5.2%
Iowa	18	17.1%	8	8.3%	5	4.6%
Kansas	13	11.8%	14	13.1%	3	2.8%
Kentucky	8	7.3%	4	3.8%	4	3.8%
Maine	20	14.4%	17	14.0%	13	10.2%
Maryland	3	2.0%	-	-	7	5.6%
Massachusetts	10	6.1%	2	1.1%	3	1.7%
Michigan	9	13.2%	5	5.7%	2	2.1%
Minnesota	34	19.4%	16	10.5%	11	9.2%
Missouri	12	11.8%	6	5.1%	5	3.4%
Montana	10	13.7%	8	10.1%	6	7.9%
Nebraska	2	9.5%	1	6.3%	0	0.0%
Nevada	2	8.0%	1	2.9%	7	16.3%
New Hampshire	88	28.3%	78	26.6%	46	15.1%
New Mexico	7	10.8%	8	9.4%	6	10.3%
New York	11	6.0%	4	2.1%	4	2.1%
North Carolina	20	13.7%	6	5.1%	5	3.2%
North Dakota	12	21.1%	6	10.5%	3	5.1%
Ohio	13	15.1%	2	2.0%	3	3.5%
Oklahoma	6	5.9%	0	0.0%	1	1.1%
Oregon	4	5.9%	4	6.3%	2	3.4%
Pennsylvania	9	4.3%	1	0.5%	4	2.0%
Rhode Island	4	4.5%	4	4.3%	7	6.9%
South Carolina	3	2.8%	2	1.4%	1	0.9%
South Dakota	9	13.0%	4	6.1%	3	4.1%
Tennessee	13	12.5%	2	2.3%	2	2.1%
Texas	21	13.9%	3	2.2%	2	1.4%
Utah	6	7.6%	2	2.9%	1	1.4%
Vermont	6	3.8%	6	3.9%	11	7.2%
Washington	9	8.8%	3	3.1%	4	3.6%
West Virginia	5	5.1%	8	8.3%	23	23.5%
Wisconsin	13	14.1%	5	5.4%	3	3.4%
Wyoming	7	11.7%	1	1.8%	1	1.7%

Incumbents defeated in primaries

In state legislative primaries, 131 incumbents lost to challengers, 3% of incumbents running for re-election. This was less than in 2012 (197) but more than in 2010 (116).

In 2014 primaries:

46 Democratic incumbents lost, 2% of the 2,443 Democratic incumbents who ran and 11% of the 414 contested Democratic incumbents.

85 Republican incumbents lost, 3% of the 2,588 Republican incumbents who ran and 15% of the 569 contested Republican incumbents.

The total number of incumbents defeated in primaries—131—was less than in 2012 (197), representing a 34% decrease.

In 2014

Click [show] on the table below to view primary incumbent defeat statistics by state in 2014. Hover over column headings to learn more about their contents.

State legislative incumbents defeated in primaries, 2014
State
	Democratic			Republican			Total
	Filed	Def.	%	Filed	Def.	%	Filed	Def.	%
Nationwide	2,443	46	1.9%	2,588	85	3.3%	5,041	131	2.6%
Alabama	42	1	2.4%	76	7	9.2%	119	8	6.7%
Alaska	18	0	0.0%	29	2	6.9%	47	2	4.3%
Arizona	27	1	3.7%	39	1	2.6%	66	2	3.0%
Arkansas	44	1	2.3%	43	3	7.0%	87	4	4.6%
California	45	0	0.0%	22	0	0.0%	67	0	0.0%
Colorado	36	0	0.0%	23	0	0.0%	59	0	0.0%
Connecticut	105	2	1.9%	58	0	0.0%	163	2	1.2%
Delaware	31	1	3.2%	18	1	5.6%	49	2	4.1%
Florida	43	1	2.3%	79	0	0.0%	122	1	0.8%
Georgia	74	2	2.7%	144	5	3.5%	219	7	3.2%
Hawaii	52	3	5.8%	6	0	0.0%	58	3	5.2%
Idaho	15	0	0.0%	79	6	7.6%	94	6	6.4%
Illinois	82	2	2.4%	43	1	2.3%	125	3	2.4%
Indiana	36	0	0.0%	81	3	3.7%	117	3	2.6%
Iowa	55	0	0.0%	55	0	0.0%	110	0	0.0%
Kansas	29	0	0.0%	83	3	3.6%	112	3	2.7%
Kentucky	55	1	1.8%	53	1	1.9%	108	2	1.9%
Maine	85	0	0.0%	48	0	0.0%	137	0	0.0%
Maryland	101	6	5.9%	37	6	16.2%	138	12	8.7%
Massachusetts	148	1	0.7%	30	0	0.0%	178	1	0.6%
Michigan	40	0	0.0%	57	1	1.8%	97	1	1.0%
Minnesota	68	0	0.0%	51	0	0.0%	119	0	0.0%
Missouri	47	0	0.0%	100	0	0.0%	147	0	0.0%
Montana	32	0	0.0%	48	2	4.2%	80	2	2.5%
Nebraska	2	0	0.0%	5	0	0.0%	7	0	0.0%
Nevada	26	0	0.0%	17	0	0.0%	43	0	0.0%
New Hampshire	170	1	0.6%	143	8	5.6%	313	9	2.9%
New Mexico	31	1	3.2%	28	1	3.6%	59	2	3.4%
New York	126	1	0.8%	66	1	1.5%	192	2	1.0%
North Carolina	54	2	3.7%	102	2	2.0%	156	4	2.6%
North Dakota	10	0	0.0%	49	0	0.0%	59	0	0.0%
Ohio	31	1	3.2%	59	2	3.4%	90	3	3.3%
Oklahoma	25	0	0.0%	70	0	0.0%	95	0	0.0%
Oregon	38	0	0.0%	22	1	4.5%	60	1	1.7%
Pennsylvania	95	5	5.3%	108	1	0.9%	203	6	3.0%
Rhode Island	95	3	3.2%	9	0	0.0%	105	3	2.9%
South Carolina	42	0	0.0%	73	2	2.7%	115	2	1.7%
South Dakota	16	0	0.0%	58	0	0.0%	74	0	0.0%
Tennessee	29	2	6.9%	75	6	8.0%	104	8	7.7%
Texas	57	2	3.5%	93	9	9.7%	150	11	7.3%
Utah	13	0	0.0%	64	3	4.7%	77	3	3.9%
Vermont	105	0	0.0%	45	1	2.2%	153	1	0.7%
Washington	63	0	0.0%	48	1	2.1%	111	1	0.9%
West Virginia	60	6	10.0%	46	1	2.2%	106	7	6.6%
Wisconsin	36	0	0.0%	51	0	0.0%	87	0	0.0%
Wyoming	9	0	0.0%	55	4	7.3%	64	4	6.3%

Historical comparison

The chart below shows a partisan breakdown of incumbents defeated in primaries from 2010 to 2014.

Click [show] on the table below to view primary incumbent defeat statistics by state from 2010 to 2014. Hover over column headings to learn more about their contents.

State legislative incumbents defeated in primaries, 2010-2014
State
	2010		2012		2014
	Def.	%	Def.	%	Def.	%
Nationwide	116	2.3%	197	4.1%	131	2.6%
Alabama	6	5.0%	-	-	8	6.7%
Alaska	0	0.0%	2	3.7%	2	4.3%
Arizona	4	7.8%	3	5.0%	2	3.0%
Arkansas	1	1.6%	2	2.3%	4	4.6%
California	0	0.0%	0	0.0%	0	0.0%
Colorado	0	0.0%	2	3.8%	0	0.0%
Connecticut	1	0.6%	4	2.5%	2	1.2%
Delaware	1	2.1%	3	5.7%	2	4.1%
Florida	1	1.0%	3	2.7%	1	0.8%
Georgia	5	2.5%	12	5.7%	7	3.2%
Hawaii	1	1.7%	5	7.0%	3	5.2%
Idaho	6	6.3%	3	4.3%	6	6.4%
Illinois	1	0.8%	6	4.1%	3	2.4%
Indiana	2	1.8%	0	0.0%	3	2.6%
Iowa	2	1.9%	3	3.0%	0	0.0%
Kansas	5	4.3%	20	15.7%	3	2.7%
Kentucky	2	1.8%	1	0.9%	2	1.9%
Maine	1	0.7%	0	0.0%	0	0.0%
Maryland	11	6.8%	-	-	12	8.7%
Massachusetts	1	0.6%	4	2.1%	1	0.6%
Michigan	0	0.0%	5	5.4%	1	1.0%
Minnesota	2	1.1%	1	0.6%	0	0.0%
Missouri	3	2.9%	8	6.3%	0	0.0%
Montana	2	2.7%	4	4.9%	2	2.5%
Nebraska	0	0.0%	0	0.0%	0	0.0%
Nevada	1	3.8%	2	5.6%	0	0.0%
New Hampshire	11	3.4%	22	7.0%	9	2.9%
New Mexico	2	3.0%	5	5.5%	2	3.4%
New York	4	2.1%	2	1.1%	2	1.0%
North Carolina	5	3.3%	7	5.5%	4	2.6%
North Dakota	0	0.0%	4	6.6%	0	0.0%
Ohio	1	1.1%	1	1.0%	3	3.3%
Oklahoma	1	1.0%	1	1.0%	0	0.0%
Oregon	0	0.0%	2	3.0%	1	1.7%
Pennsylvania	1	0.5%	5	2.5%	6	3.0%
Rhode Island	10	10.2%	6	6.0%	3	2.9%
South Carolina	5	4.5%	5	3.4%	2	1.7%
South Dakota	1	1.4%	5	6.8%	0	0.0%
Tennessee	2	1.9%	12	12.2%	8	7.7%
Texas	7	4.5%	11	7.5%	11	7.3%
Utah	2	2.5%	8	10.3%	3	3.9%
Vermont	0	0.0%	0	0.0%	1	0.7%
Washington	1	1.0%	1	1.0%	1	0.9%
West Virginia	3	2.9%	2	2.0%	7	6.6%
Wisconsin	1	1.1%	2	2.1%	0	0.0%
Wyoming	0	0.0%	3	5.0%	4	6.3%

Alabama

General election defeats

There were 140 seats up for election in Alabama. Overall, 111 incumbents advanced to the general election, including 41 Democrats, 69 Republicans, and one minor party or independent incumbent. Of that total, four Democratic incumbents lost, representing 3.6% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Alabama, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	32	3	9.4%	50	0	0.0%	82	3	3.7%
Senate	9	1	11.1%	19	0	0.0%	29	1	3.4%
Total	41	4	9.8%	69	0	0.0%	111	4	3.6%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Alabama, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	65	21	32.3%	47	1	2.1%	113	22	19.5%
2012	Did not hold elections.
2014	41	4	9.8%	69	0	0.0%	111	4	3.6%

Primary defeats

There were 140 seats up for election in Alabama. Overall, 119 incumbents filed for re-election, including 42 Democrats and 76 Republicans. Of that total, eight incumbents lost in primaries—one Democrat and seven Republicans—representing 6.7% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Alabama, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	33	12	1	3.0%	56	18	6	10.7%	89	30	7	7.9%
Senate	9	1	0	0.0%	20	9	1	5.0%	30	10	1	3.3%
Total	42	13	1	2.4%	76	27	7	9.2%	119	40	8	6.7%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Alabama, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	69	21	3	4.3%	51	13	3	5.9%	121	34	6	5.0%
2012	Did not hold elections.
2014	42	13	1	2.4%	76	27	7	9.2%	119	40	8	6.7%

Alaska

General election defeats

There were 54 seats up for election in Alaska. Overall, 45 incumbents advanced to the general election, including 18 Democrats and 27 Republicans. Of that total, one Republican incumbent lost, representing 2.2% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Alaska, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	14	0	0.0%	19	1	5.3%	33	1	3.0%
Senate	4	0	0.0%	8	0	0.0%	12	0	0.0%
Total	18	0	0.0%	27	1	3.7%	45	1	2.2%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Alaska, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	22	2	9.1%	23	1	4.3%	45	3	6.7%
2012	21	6	28.6%	30	2	6.7%	52	9	17.3%
2014	18	0	0.0%	27	1	3.7%	45	1	2.2%

Primary defeats

There were 54 seats up for election in Alaska. Overall, 47 incumbents filed for re-election, including 18 Democrats and 29 Republicans. Of that total, two Republican incumbents lost in primaries, representing 4.3% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Alaska, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	14	1	0	0.0%	21	3	2	9.5%	35	4	2	5.7%
Senate	4	0	0	0.0%	8	0	0	0.0%	12	0	0	0.0%
Total	18	1	0	0.0%	29	3	2	6.9%	47	4	2	4.3%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Alaska, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	22	1	0	0.0%	23	5	0	0.0%	45	6	0	0.0%
2012	21	3	0	0.0%	32	13	2	6.3%	54	16	2	3.7%
2014	18	1	0	0.0%	29	3	2	6.9%	47	4	2	4.3%

Arizona

General election defeats

There were 90 seats up for election in Arizona. Overall, 64 incumbents advanced to the general election, including 26 Democrats and 38 Republicans. Of that total, two incumbents lost—one Democrats and one Republican—representing 3.1% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Arizona, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	16	1	6.3%	26	1	3.8%	42	2	4.8%
Senate	10	0	0.0%	12	0	0.0%	22	0	0.0%
Total	26	1	3.8%	38	1	2.6%	64	2	3.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Arizona, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	19	6	31.6%	28	0	0.0%	47	6	12.8%
2012	17	0	0.0%	40	4	10.0%	57	4	7.0%
2014	26	1	3.8%	38	1	2.6%	64	2	3.1%

Primary defeats

There were 90 seats up for election in Arizona. Overall, 66 incumbents filed for re-election, including 27 Democrats and 39 Republicans. Of that total, two incumbents lost in primaries—one Democrat and one Republican—representing 3.0% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Arizona, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	17	4	1	5.9%	27	18	1	3.7%	44	22	2	4.5%
Senate	10	2	0	0.0%	12	4	0	0.0%	22	6	0	0.0%
Total	27	6	1	3.7%	39	22	1	2.6%	66	28	2	3.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Arizona, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	20	7	1	5.0%	31	19	3	9.7%	51	26	4	7.8%
2012	17	11	0	0.0%	43	13	3	7.0%	60	24	3	5.0%
2014	27	6	1	3.7%	39	22	1	2.6%	66	28	2	3.0%

Arkansas

General election defeats

There were 118 seats up for election in Arkansas. Overall, 83 incumbents advanced to the general election, including 43 Democrats and 40 Republicans. Of that total, 10 Democratic incumbents lost, representing 12.0% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Arkansas, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	37	9	24.3%	31	0	0.0%	68	9	13.2%
Senate	6	1	16.7%	9	0	0.0%	15	1	6.7%
Total	43	10	23.3%	40	0	0.0%	83	10	12.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Arkansas, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	41	6	14.6%	22	0	0.0%	63	6	9.5%
2012	38	3	7.9%	47	3	6.4%	85	6	7.1%
2014	43	10	23.3%	40	0	0.0%	83	10	12.0%

Primary defeats

There were 118 seats up for election in Arkansas. Overall, 87 incumbents filed for re-election, including 44 Democrats and 43 Republicans. Of that total, four incumbents lost in primaries—one Democrat and three Republicans—representing 4.6% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Arkansas, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	38	1	1	2.6%	33	4	2	6.1%	71	5	3	4.2%
Senate	6	0	0	0.0%	10	3	1	10.0%	16	3	1	6.3%
Total	44	1	1	2.3%	43	7	3	7.0%	87	8	4	4.6%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Arkansas, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	42	3	1	2.4%	22	1	0	0.0%	64	4	1	1.6%
2012	40	6	1	2.5%	48	6	1	2.1%	88	12	2	2.3%
2014	44	1	1	2.3%	43	7	3	7.0%	87	8	4	4.6%

California

General election defeats

There were 100 seats up for election in California. Overall, 67 incumbents advanced to the general election, including 45 Democrats and 22 Republicans. Of that total, four Democratic incumbents lost, representing 6.0% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in California, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	41	4	9.8%	16	0	0.0%	57	4	7.0%
Senate	4	0	0.0%	6	0	0.0%	10	0	0.0%
Total	45	4	8.9%	22	0	0.0%	67	4	6.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in California, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	44	0	0.0%	18	0	0.0%	62	0	0.0%
2012	36	2	5.6%	20	1	5.0%	56	3	5.4%
2014	45	4	8.9%	22	0	0.0%	67	4	6.0%

Primary defeats

There were 100 seats up for election in California. Overall, 67 incumbents filed for re-election, including 45 Democrats and 22 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in California, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	41	17	0	0.0%	16	4	0	0.0%	57	21	0	0.0%
Senate	4	2	0	0.0%	6	0	0	0.0%	10	2	0	0.0%
Total	45	19	0	0.0%	22	4	0	0.0%	67	23	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in California, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	44	3	0	0.0%	18	3	0	0.0%	62	6	0	0.0%
2012	36	15	0	0.0%	20	7	0	0.0%	56	22	0	0.0%
2014	45	19	0	0.0%	22	4	0	0.0%	67	23	0	0.0%

Colorado

General election defeats

There were 82 seats up for election in Colorado. Overall, 59 incumbents advanced to the general election, including 36 Democrats and 23 Republicans. Of that total, six incumbents lost—four Democrats and two Republicans—representing 10.2% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Colorado, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	31	3	9.7%	17	0	0.0%	48	3	6.3%
Senate	5	1	20.0%	6	2	33.3%	11	3	27.3%
Total	36	4	11.1%	23	2	8.7%	59	6	10.2%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Colorado, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	37	6	16.2%	26	0	0.0%	64	7	10.9%
2012	29	0	0.0%	22	4	18.2%	51	4	7.8%
2014	36	4	11.1%	23	2	8.7%	59	6	10.2%

Primary defeats

There were 82 seats up for election in Colorado. Overall, 59 incumbents filed for re-election, including 36 Democrats and 23 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Colorado, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	31	0	0	0.0%	17	2	0	0.0%	48	2	0	0.0%
Senate	5	0	0	0.0%	6	0	0	0.0%	11	0	0	0.0%
Total	36	0	0	0.0%	23	2	0	0.0%	59	2	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Colorado, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	37	1	0	0.0%	26	0	0	0.0%	64	1	0	0.0%
2012	29	1	0	0.0%	24	3	2	8.3%	53	4	2	3.8%
2014	36	0	0	0.0%	23	2	0	0.0%	59	2	0	0.0%

Connecticut

General election defeats

There were 187 seats up for election in Connecticut. Overall, 161 incumbents advanced to the general election, including 103 Democrats and 58 Republicans. Of that total, 10 incumbents lost—nine Democrats and one Republican—representing 6.2% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Connecticut, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	86	9	10.5%	46	1	2.2%	132	10	7.6%
Senate	17	0	0.0%	12	0	0.0%	29	0	0.0%
Total	103	9	8.7%	58	1	1.7%	161	10	6.2%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Connecticut, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	123	13	10.6%	44	0	0.0%	167	13	7.8%
2012	100	1	1.0%	59	3	5.1%	159	4	2.5%
2014	103	9	8.7%	58	1	1.7%	161	10	6.2%

Primary defeats

There were 187 seats up for election in Connecticut. Overall, 163 incumbents filed for re-election, including 105 Democrats and 58 Republicans. Of that total, two Democratic incumbents lost in primaries, representing 1.2% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Connecticut, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	87	5	1	1.1%	46	1	0	0.0%	133	6	1	0.8%
Senate	18	3	1	5.6%	12	0	0	0.0%	30	3	1	3.3%
Total	105	8	2	1.9%	58	1	0	0.0%	163	9	2	1.2%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Connecticut, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	124	10	1	0.8%	44	0	0	0.0%	168	10	1	0.6%
2012	104	6	4	3.8%	59	1	0	0.0%	163	7	4	2.5%
2014	105	8	2	1.9%	58	1	0	0.0%	163	9	2	1.2%

Delaware

General election defeats

There were 51 seats up for election in Delaware. Overall, 47 incumbents advanced to the general election, including 30 Democrats and 17 Republicans. Of that total, two Democratic incumbents lost, representing 4.3% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Delaware, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	24	1	4.2%	13	0	0.0%	37	1	2.7%
Senate	6	1	16.7%	4	0	0.0%	10	1	10.0%
Total	30	2	6.7%	17	0	0.0%	47	2	4.3%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Delaware, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	31	2	6.5%	16	1	6.3%	47	3	6.4%
2012	34	1	2.9%	16	2	12.5%	50	3	6.0%
2014	30	2	6.7%	17	0	0.0%	47	2	4.3%

Primary defeats

There were 51 seats up for election in Delaware. Overall, 49 incumbents filed for re-election, including 31 Democrats and 18 Republicans. Of that total, two incumbents lost in primaries—one Democrat and one Republican—representing 4.1% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Delaware, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	25	4	1	4.0%	14	3	1	7.1%	39	7	2	5.1%
Senate	6	2	0	0.0%	4	0	0	0.0%	10	2	0	0.0%
Total	31	6	1	3.2%	18	3	1	5.6%	49	9	2	4.1%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Delaware, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	32	6	1	3.1%	16	1	0	0.0%	48	7	1	2.1%
2012	35	6	1	2.9%	18	5	2	11.1%	53	11	3	5.7%
2014	31	6	1	3.2%	18	3	1	5.6%	49	9	2	4.1%

Florida

General election defeats

There were 140 seats up for election in Florida. Overall, 121 incumbents advanced to the general election, including 42 Democrats and 79 Republicans. Of that total, five Democratic incumbents lost, representing 4.1% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Florida, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	38	5	13.2%	63	0	0.0%	101	5	5.0%
Senate	4	0	0.0%	16	0	0.0%	20	0	0.0%
Total	42	5	11.9%	79	0	0.0%	121	5	4.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Florida, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	40	5	12.5%	55	0	0.0%	95	5	5.3%
2012	29	0	0.0%	77	5	6.5%	106	5	4.7%
2014	42	5	11.9%	79	0	0.0%	121	5	4.1%

Primary defeats

There were 140 seats up for election in Florida. Overall, 122 incumbents filed for re-election, including 43 Democrats and 79 Republicans. Of that total, one Democratic incumbent lost in primaries, representing 0.8% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Florida, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	39	6	1	2.6%	63	8	0	0.0%	102	14	1	1.0%
Senate	4	2	0	0.0%	16	5	0	0.0%	20	7	0	0.0%
Total	43	8	1	2.3%	79	13	0	0.0%	122	21	1	0.8%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Florida, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	40	6	0	0.0%	57	12	1	1.8%	97	18	1	1.0%
2012	31	7	2	6.5%	79	24	1	1.3%	110	31	3	2.7%
2014	43	8	1	2.3%	79	13	0	0.0%	122	21	1	0.8%

Georgia

General election defeats

There were 236 seats up for election in Georgia. Overall, 212 incumbents advanced to the general election, including 72 Democrats, 139 Republicans, and one minor party or independent incumbent. No incumbents who advanced to the general election lost.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Georgia, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	57	0	0.0%	108	0	0.0%	166	0	0.0%
Senate	15	0	0.0%	31	0	0.0%	46	0	0.0%
Total	72	0	0.0%	139	0	0.0%	212	0	0.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Georgia, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	84	2	2.4%	108	1	0.9%	193	3	1.6%
2012	67	3	4.5%	128	0	0.0%	196	3	1.5%
2014	72	0	0.0%	139	0	0.0%	212	0	0.0%

Primary defeats

There were 236 seats up for election in Georgia. Overall, 219 incumbents filed for re-election, including 74 Democrats and 144 Republicans. Of that total, seven incumbents lost in primaries—two Democrats and five Republicans—representing 3.2% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Georgia, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	58	10	1	1.7%	111	25	3	2.7%	170	35	4	2.4%
Senate	16	7	1	6.3%	33	5	2	6.1%	49	12	3	6.1%
Total	74	17	2	2.7%	144	30	5	3.5%	219	47	7	3.2%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Georgia, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	86	19	2	2.3%	111	22	3	2.7%	198	41	5	2.5%
2012	73	25	6	8.2%	136	23	6	4.4%	210	48	12	5.7%
2014	74	17	2	2.7%	144	30	5	3.5%	219	47	7	3.2%

Hawaii

General election defeats

There were 63 seats up for election in Hawaii. Overall, 55 incumbents advanced to the general election, including 49 Democrats and six Republicans. No incumbents who advanced to the general election lost.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Hawaii, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	40	0	0.0%	6	0	0.0%	46	0	0.0%
Senate	9	0	0.0%	0	0	#DIV/0!	9	0	0.0%
Total	49	0	0.0%	6	0	0.0%	55	0	0.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Hawaii, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	51	1	2.0%	6	0	0.0%	57	1	1.8%
2012	60	1	1.7%	6	2	33.3%	66	3	4.5%
2014	49	0	0.0%	6	0	0.0%	55	0	0.0%

Primary defeats

There were 63 seats up for election in Hawaii. Overall, 58 incumbents filed for re-election, including 52 Democrats and six Republicans. Of that total, three Democratic incumbents lost in primaries, representing 5.2% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Hawaii, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	42	14	2	4.8%	6	1	0	0.0%	48	15	2	4.2%
Senate	10	5	1	10.0%	0	0	0	0.0%	10	5	1	10.0%
Total	52	19	3	5.8%	6	1	0	0.0%	58	20	3	5.2%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Hawaii, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	52	24	1	1.9%	6	0	0	0.0%	58	24	1	1.7%
2012	64	24	4	6.3%	7	2	1	14.3%	71	26	5	7.0%
2014	52	19	3	5.8%	6	1	0	0.0%	58	20	3	5.2%

Idaho

General election defeats

There were 105 seats up for election in Idaho. Overall, 88 incumbents advanced to the general election, including 15 Democrats and 73 Republicans. Of that total, two Republican incumbents lost, representing 2.3% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Idaho, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	9	0	0.0%	48	2	4.2%	57	2	3.5%
Senate	6	0	0.0%	25	0	0.0%	31	0	0.0%
Total	15	0	0.0%	73	2	2.7%	88	2	2.3%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Idaho, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	19	2	10.5%	71	0	0.0%	90	2	2.2%
2012	11	0	0.0%	55	2	3.6%	66	2	3.0%
2014	15	0	0.0%	73	2	2.7%	88	2	2.3%

Primary defeats

There were 105 seats up for election in Idaho. Overall, 94 incumbents filed for re-election, including 15 Democrats and 79 Republicans. Of that total, six Republican incumbents lost in primaries, representing 6.4% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Idaho, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	9	1	0	0.0%	52	20	4	7.7%	61	21	4	6.6%
Senate	6	0	0	0.0%	27	9	2	7.4%	33	9	2	6.1%
Total	15	1	0	0.0%	79	29	6	7.6%	94	30	6	6.4%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Idaho, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	19	1	0	0.0%	77	25	6	7.8%	96	26	6	6.3%
2012	11	1	0	0.0%	59	33	3	5.1%	70	34	3	4.3%
2014	15	1	0	0.0%	79	29	6	7.6%	94	30	6	6.4%

Illinois

General election defeats

There were 137 seats up for election in Illinois. Overall, 123 incumbents advanced to the general election, including 80 Democrats and 43 Republicans. Of that total, one Democratic incumbent lost, representing 0.8% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Illinois, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	68	0	0.0%	36	0	0.0%	104	0	0.0%
Senate	12	1	8.3%	7	0	0.0%	19	1	5.3%
Total	80	1	1.3%	43	0	0.0%	123	1	0.8%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Illinois, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	75	7	9.3%	50	0	0.0%	125	7	5.6%
2012	81	0	0.0%	58	5	8.6%	139	5	3.6%
2014	80	1	1.3%	43	0	0.0%	123	1	0.8%

Primary defeats

There were 137 seats up for election in Illinois. Overall, 125 incumbents filed for re-election, including 82 Democrats and 43 Republicans. Of that total, three incumbents lost in primaries—two Democrats and one Republican—representing 2.4% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Illinois, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	70	8	2	2.9%	37	5	1	2.7%	107	13	3	2.8%
Senate	12	1	0	0.0%	6	0	0	0.0%	18	1	0	0.0%
Total	82	9	2	2.4%	43	5	1	2.3%	125	14	3	2.4%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Illinois, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	76	14	0	0.0%	51	7	1	2.0%	127	21	1	0.8%
2012	82	21	1	1.2%	63	12	5	7.9%	145	33	6	4.1%
2014	82	9	2	2.4%	43	5	1	2.3%	125	14	3	2.4%

Indiana

General election defeats

There were 125 seats up for election in Indiana. Overall, 115 incumbents advanced to the general election, including 36 Democrats and 79 Republicans. Of that total, six incumbents lost—five Democrats and one Republican—representing 5.2% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Indiana, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	31	3	9.7%	65	1	1.5%	96	4	4.2%
Senate	5	2	40.0%	14	0	0.0%	19	2	10.5%
Total	36	5	13.9%	79	1	1.3%	115	6	5.2%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Indiana, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	56	10	17.9%	55	0	0.0%	111	10	9.0%
2012	34	3	8.8%	68	2	2.9%	102	5	4.9%
2014	36	5	13.9%	79	1	1.3%	115	6	5.2%

Primary defeats

There were 125 seats up for election in Indiana. Overall, 117 incumbents filed for re-election, including 36 Democrats and 81 Republicans. Of that total, three Republican incumbents lost in primaries, representing 2.6% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Indiana, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	31	0	0	0.0%	66	9	2	3.0%	97	9	2	2.1%
Senate	5	0	0	0.0%	15	2	1	6.7%	20	2	1	5.0%
Total	36	0	0	0.0%	81	11	3	3.7%	117	11	3	2.6%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Indiana, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	56	6	0	0.0%	57	15	2	3.5%	113	21	2	1.8%
2012	35	5	0	0.0%	68	12	0	0.0%	103	17	0	0.0%
2014	36	0	0	0.0%	81	11	3	3.7%	117	11	3	2.6%

Iowa

General election defeats

There were 125 seats up for election in Iowa. Overall, 109 incumbents advanced to the general election, including 55 Democrats and 54 Republicans. Of that total, five Democratic incumbents lost, representing 4.6% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Iowa, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	43	4	9.3%	46	0	0.0%	89	4	4.5%
Senate	12	1	8.3%	8	0	0.0%	20	1	5.0%
Total	55	5	9.1%	54	0	0.0%	109	5	4.6%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Iowa, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	63	18	28.6%	42	0	0.0%	105	18	17.1%
2012	45	1	2.2%	51	7	13.7%	96	8	8.3%
2014	55	5	9.1%	54	0	0.0%	109	5	4.6%

Primary defeats

There were 125 seats up for election in Iowa. Overall, 110 incumbents filed for re-election, including 55 Democrats and 55 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Iowa, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	43	0	0	0.0%	47	4	0	0.0%	90	4	0	0.0%
Senate	12	3	0	0.0%	8	1	0	0.0%	20	4	0	0.0%
Total	55	3	0	0.0%	55	5	0	0.0%	110	8	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Iowa, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	65	5	1	1.5%	43	3	1	2.3%	108	8	2	1.9%
2012	45	0	0	0.0%	55	16	3	5.5%	100	16	3	3.0%
2014	55	3	0	0.0%	55	5	0	0.0%	110	8	0	0.0%

Kansas

General election defeats

There were 125 seats up for election in Kansas. Overall, 109 incumbents advanced to the general election, including 29 Democrats and 80 Republicans. Of that total, three Democratic incumbents lost, representing 2.8% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Kansas, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	29	3	10.3%	80	0	0.0%	109	3	2.8%
Senate	Did not hold elections.
Total	29	3	10.3%	80	0	0.0%	109	3	2.8%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Kansas, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	44	13	29.5%	66	0	0.0%	110	13	11.8%
2012	36	8	22.2%	71	6	8.5%	107	14	13.1%
2014	29	3	10.3%	80	0	0.0%	109	3	2.8%

Primary defeats

There were 125 seats up for election in Kansas. Overall, 112 incumbents filed for re-election, including 29 Democrats and 83 Republicans. Of that total, three Republican incumbents lost in primaries, representing 2.7% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Kansas, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	29	0	0	0.0%	83	21	3	3.6%	112	21	3	2.7%
Senate	Did not hold elections.
Total	29	0	0	0.0%	83	21	3	3.6%	112	21	3	2.7%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Kansas, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	45	3	1	2.2%	70	20	4	5.7%	115	23	5	4.3%
2012	37	6	1	2.7%	90	48	19	21.1%	127	54	20	15.7%
2014	29	0	0	0.0%	83	21	3	3.6%	112	21	3	2.7%

Kentucky

General election defeats

There were 119 seats up for election in Kentucky. Overall, 106 incumbents advanced to the general election, including 54 Democrats and 52 Republicans. Of that total, four incumbents lost—three Democrats and one Republican—representing 3.8% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Kentucky, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	50	2	4.0%	42	1	2.4%	92	3	3.3%
Senate	4	1	25.0%	10	0	0.0%	14	1	7.1%
Total	54	3	5.6%	52	1	1.9%	106	4	3.8%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Kentucky, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	67	7	10.4%	42	1	2.4%	110	8	7.3%
2012	63	3	4.8%	41	1	2.4%	104	4	3.8%
2014	54	3	5.6%	52	1	1.9%	106	4	3.8%

Primary defeats

There were 119 seats up for election in Kentucky. Overall, 108 incumbents filed for re-election, including 55 Democrats and 53 Republicans. Of that total, two incumbents lost in primaries—one Democrat and one Republican—representing 1.9% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Kentucky, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	51	6	1	2.0%	42	6	0	0.0%	93	12	1	1.1%
Senate	4	0	0	0.0%	11	3	1	9.1%	15	3	1	6.7%
Total	55	6	1	1.8%	53	9	1	1.9%	108	15	2	1.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Kentucky, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	68	11	1	1.5%	43	10	1	2.3%	112	21	2	1.8%
2012	64	11	1	1.6%	42	11	0	0.0%	106	22	1	0.9%
2014	55	6	1	1.8%	53	9	1	1.9%	108	15	2	1.9%

Maine

General election defeats

There were 186 seats up for election in Maine. Overall, 127 incumbents advanced to the general election, including 81 Democrats, 42 Republicans, and four minor party or independent incumbent. Of that total, 13 incumbents lost—11 Democrats and two Republicans—representing 10.2% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Maine, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	66	9	13.6%	31	2	6.5%	101	11	10.9%
Senate	15	2	13.3%	11	0	0.0%	26	2	7.7%
Total	81	11	13.6%	42	2	4.8%	127	13	10.2%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Maine, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	90	19	21.1%	49	1	2.0%	139	20	14.4%
2012	53	1	1.9%	66	16	24.2%	121	17	14.0%
2014	81	11	13.6%	42	2	4.8%	127	13	10.2%

Primary defeats

There were 186 seats up for election in Maine. Overall, 137 incumbents filed for re-election, including 85 Democrats and 48 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Maine, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	70	1	0	0.0%	36	0	0	0.0%	110	1	0	0.0%
Senate	15	1	0	0.0%	12	1	0	0.0%	27	2	0	0.0%
Total	85	2	0	0.0%	48	1	0	0.0%	137	3	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Maine, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	94	3	1	1.1%	49	1	0	0.0%	143	4	1	0.7%
2012	54	4	0	0.0%	67	1	0	0.0%	123	5	0	0.0%
2014	85	2	0	0.0%	48	1	0	0.0%	137	3	0	0.0%

Maryland

General election defeats

There were 188 seats up for election in Maryland. Overall, 126 incumbents advanced to the general election, including 95 Democrats and 31 Republicans. Of that total, seven Democratic, representing 5.6% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Maryland, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	65	6	9.2%	24	0	0.0%	89	6	6.7%
Senate	30	1	3.3%	7	0	0.0%	37	1	2.7%
Total	95	7	7.4%	31	0	0.0%	126	7	5.6%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Maryland, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	114	2	1.8%	37	1	2.7%	151	3	2.0%
2012	Did not hold elections.
2014	95	7	7.4%	31	0	0.0%	126	7	5.6%

Primary defeats

There were 188 seats up for election in Maryland. Overall, 138 incumbents filed for re-election, including 101 Democrats and 37 Republicans. Of that total, 12 incumbents lost in primaries—six Democrats and six Republicans—representing 8.7% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Maryland, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	70	56	5	7.1%	28	21	4	14.3%	98	77	9	9.2%
Senate	31	14	1	3.2%	9	3	2	22.2%	40	17	3	7.5%
Total	101	70	6	5.9%	37	24	6	16.2%	138	94	12	8.7%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Maryland, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	121	78	7	5.8%	41	27	4	9.8%	162	105	11	6.8%
2012	Did not hold elections.
2014	101	70	6	5.9%	37	24	6	16.2%	138	94	12	8.7%

Massachusetts

General election defeats

There were 200 seats up for election in Massachusetts. Overall, 178 incumbents advanced to the general election, including 148 Democrats and 30 Republicans. Of that total, three Democratic incumbents lost, representing 1.7% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Massachusetts, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	116	2	1.7%	26	0	0.0%	142	2	1.4%
Senate	32	1	3.1%	4	0	0.0%	36	1	2.8%
Total	148	3	2.0%	30	0	0.0%	178	3	1.7%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Massachusetts, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	150	10	6.7%	15	0	0.0%	165	10	6.1%
2012	149	0	0.0%	35	2	5.7%	184	2	1.1%
2014	148	3	2.0%	30	0	0.0%	178	3	1.7%

Primary defeats

There were 200 seats up for election in Massachusetts. Overall, 178 incumbents filed for re-election, including 148 Democrats and 30 Republicans. Of that total, one Democratic incumbent lost in primaries, representing 0.6% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Massachusetts, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	117	13	1	0.9%	26	1	0	0.0%	143	14	1	0.7%
Senate	31	3	0	0.0%	4	0	0	0.0%	35	3	0	0.0%
Total	148	16	1	0.7%	30	1	0	0.0%	178	17	1	0.6%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Massachusetts, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	151	14	1	0.7%	15	0	0	0.0%	166	14	1	0.6%
2012	154	18	4	2.6%	36	1	0	0.0%	190	19	4	2.1%
2014	148	16	1	0.7%	30	1	0	0.0%	178	17	1	0.6%

Michigan

General election defeats

There were 148 seats up for election in Michigan. Overall, 96 incumbents advanced to the general election, including 40 Democrats and 56 Republicans. Of that total, two Democratic incumbents lost, representing 2.1% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Michigan, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	31	2	6.5%	37	0	0.0%	68	2	2.9%
Senate	9	0	0.0%	19	0	0.0%	28	0	0.0%
Total	40	2	5.0%	56	0	0.0%	96	2	2.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Michigan, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	40	9	22.5%	28	0	0.0%	68	9	13.2%
2012	32	0	0.0%	55	5	9.1%	87	5	5.7%
2014	40	2	5.0%	56	0	0.0%	96	2	2.1%

Primary defeats

There were 148 seats up for election in Michigan. Overall, 97 incumbents filed for re-election, including 40 Democrats and 57 Republicans. Of that total, one Republican incumbent lost in primaries, representing 1.0% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Michigan, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	31	6	0	0.0%	38	13	1	2.6%	69	19	1	1.4%
Senate	9	3	0	0.0%	19	6	0	0.0%	28	9	0	0.0%
Total	40	9	0	0.0%	57	19	1	1.8%	97	28	1	1.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Michigan, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	40	10	0	0.0%	28	7	0	0.0%	68	17	0	0.0%
2012	36	19	4	11.1%	56	18	1	1.8%	92	37	5	5.4%
2014	40	9	0	0.0%	57	19	1	1.8%	97	28	1	1.0%

Minnesota

General election defeats

There were 134 seats up for election in Minnesota. Overall, 119 incumbents advanced to the general election, including 68 Democrats and 51 Republicans. Of that total, 11 Democratic incumbents lost, representing 9.2% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Minnesota, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	68	11	16.2%	51	0	0.0%	119	11	9.2%
Senate	Did not hold elections.
Total	68	11	16.2%	51	0	0.0%	119	11	9.2%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Minnesota, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	120	34	28.3%	55	0	0.0%	175	34	19.4%
2012	71	0	0.0%	81	16	19.8%	152	16	10.5%
2014	68	11	16.2%	51	0	0.0%	119	11	9.2%

Primary defeats

There were 134 seats up for election in Minnesota. Overall, 119 incumbents filed for re-election, including 68 Democrats and 51 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Minnesota, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	68	4	0	0.0%	51	1	0	0.0%	119	5	0	0.0%
Senate	Did not hold elections.
Total	68	4	0	0.0%	51	1	0	0.0%	119	5	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Minnesota, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	121	5	1	0.8%	56	3	1	1.8%	177	8	2	1.1%
2012	72	7	0	0.0%	82	4	1	1.2%	154	11	1	0.6%
2014	68	4	0	0.0%	51	1	0	0.0%	119	5	0	0.0%

Missouri

General election defeats

There were 180 seats up for election in Missouri. Overall, 148 incumbents advanced to the general election, including 48 Democrats and 100 Republicans. Of that total, five Democratic incumbents, representing 3.4% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Missouri, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	46	5	10.9%	91	0	0.0%	137	5	3.6%
Senate	2	0	0.0%	9	0	0.0%	11	0	0.0%
Total	48	5	10.4%	100	0	0.0%	148	5	3.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Missouri, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	53	12	22.6%	49	0	0.0%	102	12	11.8%
2012	36	2	5.6%	82	4	4.9%	118	6	5.1%
2014	48	5	10.4%	100	0	0.0%	148	5	3.4%

Primary defeats

There were 180 seats up for election in Missouri. Overall, 147 incumbents filed for re-election, including 47 Democrats and 100 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Missouri, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	45	7	0	0.0%	91	13	0	0.0%	136	20	0	0.0%
Senate	2	1	0	0.0%	9	1	0	0.0%	11	2	0	0.0%
Total	47	8	0	0.0%	100	14	0	0.0%	147	22	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Missouri, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	55	8	2	3.6%	50	7	1	2.0%	105	15	3	2.9%
2012	43	19	7	16.3%	83	16	1	1.2%	126	35	8	6.3%
2014	47	8	0	0.0%	100	14	0	0.0%	147	22	0	0.0%

Montana

General election defeats

There were 125 seats up for election in Montana. Overall, 76 incumbents advanced to the general election, including 30 Democrats and 46 Republicans. Of that total, six incumbents lost—two Democrats and four Republicans—representing 7.9% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Montana, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	27	2	7.4%	42	4	9.5%	69	6	8.7%
Senate	3	0	0.0%	4	0	0.0%	7	0	0.0%
Total	30	2	6.7%	46	4	8.7%	76	6	7.9%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Montana, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	33	9	27.3%	40	1	2.5%	73	10	13.7%
2012	26	1	3.8%	53	7	13.2%	79	8	10.1%
2014	30	2	6.7%	46	4	8.7%	76	6	7.9%

Primary defeats

There were 125 seats up for election in Montana. Overall, 80 incumbents filed for re-election, including 32 Democrats and 48 Republicans. Of that total, two Republicans incumbents lost in primaries, representing 2.5% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Montana, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	28	3	0	0.0%	43	13	1	2.3%	71	16	1	1.4%
Senate	4	0	0	0.0%	5	2	1	20.0%	9	2	1	11.1%
Total	32	3	0	0.0%	48	15	2	4.2%	80	18	2	2.5%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Montana, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	34	3	1	2.9%	41	8	1	2.4%	75	11	2	2.7%
2012	26	3	1	3.8%	56	14	3	5.4%	82	17	4	4.9%
2014	32	3	0	0.0%	48	15	2	4.2%	80	18	2	2.5%

Nebraska

General election defeats

There were 24 seats up for election in Nebraska. Overall, seveb incumbents advanced to the general election, including two Democrats and five Republicans. No incumbents who advanced to the general election lost.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Nebraska, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	N/A
Senate	2	0	0.0%	5	0	0.0%	7	0	0.0%
Total	2	0	0.0%	5	0	0.0%	7	0	0.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Nebraska, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	10	1	10.0%	10	0	0.0%	21	2	9.5%
2012	6	1	16.7%	10	0	0.0%	16	1	6.3%
2014	2	0	0.0%	5	0	0.0%	7	0	0.0%

Primary defeats

There were 24 seats up for election in Nebraska. Overall, seven incumbents filed for re-election, including two Democrats and five Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Nebraska, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	N/A
Senate	2	0	0	0.0%	5	1	0	0.0%	7	1	0	0.0%
Total	2	0	0	0.0%	5	1	0	0.0%	7	1	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Nebraska, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	10	4	0	0.0%	10	1	0	0.0%	21	6	0	0.0%
2012	6	2	0	0.0%	10	2	0	0.0%	16	4	0	0.0%
2014	2	0	0	0.0%	5	1	0	0.0%	7	1	0	0.0%

Nevada

General election defeats

There were 53 seats up for election in Nevada. Overall, 43 incumbents advanced to the general election, including 26 Democrats and 17 Republicans. Of that total, seven Democratic incumbents lost, representing 16.3% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Nevada, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	21	6	28.6%	12	0	0.0%	33	6	18.2%
Senate	5	1	20.0%	5	0	0.0%	10	1	10.0%
Total	26	7	26.9%	17	0	0.0%	43	7	16.3%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Nevada, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	17	2	11.8%	8	0	0.0%	25	2	8.0%
2012	23	1	4.3%	11	0	0.0%	34	1	2.9%
2014	26	7	26.9%	17	0	0.0%	43	7	16.3%

Primary defeats

There were 53 seats up for election in Nevada. Overall, 43 incumbents filed for re-election, including 26 Democrats and 17 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Nevada, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	21	5	0	0.0%	12	6	0	0.0%	33	11	0	0.0%
Senate	5	0	0	0.0%	5	2	0	0.0%	10	2	0	0.0%
Total	26	5	0	0.0%	17	8	0	0.0%	43	13	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Nevada, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	17	1	0	0.0%	9	4	1	11.1%	26	5	1	3.8%
2012	24	10	1	4.2%	12	2	1	8.3%	36	12	2	5.6%
2014	26	5	0	0.0%	17	8	0	0.0%	43	13	0	0.0%

New Hampshire

General election defeats

There were 424 seats up for election in New Hampshire. Overall, 304 incumbents advanced to the general election, including 169 Democrats and 135 Republicans. Of that total, 46 incumbents lost—43 Democrats and three Republicans—representing 15.1% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New Hampshire, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	159	42	26.4%	125	3	2.4%	284	45	15.8%
Senate	10	1	10.0%	10	0	0.0%	20	1	5.0%
Total	169	43	25.4%	135	3	2.2%	304	46	15.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New Hampshire, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	174	88	50.6%	137	0	0.0%	311	88	28.3%
2012	82	4	4.9%	211	74	35.1%	293	78	26.6%
2014	169	43	25.4%	135	3	2.2%	304	46	15.1%

Primary defeats

There were 424 seats up for election in New Hampshire. Overall, 313 incumbents filed for re-election, including 170 Democrats and 143 Republicans. Of that total, nine incumbents lost in primaries—one Democrat and eight Republicans—representing 2.9% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New Hampshire, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	160	24	1	0.6%	133	76	8	6.0%	293	100	9	3.1%
Senate	10	0	0	0.0%	10	4	0	0.0%	20	4	0	0.0%
Total	170	24	1	0.6%	143	80	8	5.6%	313	104	9	2.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New Hampshire, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	178	45	3	1.7%	144	79	8	5.6%	322	124	11	3.4%
2012	85	14	3	3.5%	230	131	19	8.3%	315	145	22	7.0%
2014	170	24	1	0.6%	143	80	8	5.6%	313	104	9	2.9%

New Mexico

General election defeats

There were 70 seats up for election in New Mexico. Overall, 58 incumbents advanced to the general election, including 31 Democrats and 27 Republicans. Of that total, six incumbents lost—five Democrats and one Republican—representing 10.3% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New Mexico, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	31	5	16.1%	27	1	3.7%	58	6	10.3%
Senate	Did not hold elections.
Total	31	5	16.1%	27	1	3.7%	58	6	10.3%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New Mexico, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	43	7	16.3%	22	0	0.0%	65	7	10.8%
2012	45	4	8.9%	39	3	7.7%	85	8	9.4%
2014	31	5	16.1%	27	1	3.7%	58	6	10.3%

Primary defeats

There were 70 seats up for election in New Mexico. Overall, 59 incumbents filed for re-election, including 31 Democrats and 28 Republicans. Of that total, two incumbents lost in primaries—one Democrat and one Republican—representing 3.4% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New Mexico, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	31	5	1	3.2%	28	2	1	3.6%	59	7	2	3.4%
Senate	Did not hold elections.
Total	31	5	1	3.2%	28	2	1	3.6%	59	7	2	3.4%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New Mexico, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	44	10	1	2.3%	23	4	1	4.3%	67	14	2	3.0%
2012	50	19	4	8.0%	40	5	1	2.5%	91	24	5	5.5%
2014	31	5	1	3.2%	28	2	1	3.6%	59	7	2	3.4%

New York

General election defeats

There were 213 seats up for election in New York. Overall, 190 incumbents advanced to the general election, including 125 Democrats and 65 Republicans. Of that total, four Democratic incumbents lost, representing 2.1% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New York, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	94	1	1.1%	40	0	0.0%	134	1	0.7%
Senate	31	3	9.7%	25	0	0.0%	56	3	5.4%
Total	125	4	3.2%	65	0	0.0%	190	4	2.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New York, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	124	10	8.1%	59	1	1.7%	183	11	6.0%
2012	116	0	0.0%	71	4	5.6%	187	4	2.1%
2014	125	4	3.2%	65	0	0.0%	190	4	2.1%

Primary defeats

There were 213 seats up for election in New York. Overall, 192 incumbents filed for re-election, including 126 Democrats and 66 Republicans. Of that total, two incumbents lost in primaries—one Democrat and one Republican—representing 1.0% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New York, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	94	10	0	0.0%	40	3	0	0.0%	134	13	0	0.0%
Senate	32	12	1	3.1%	26	2	1	3.8%	58	14	2	3.4%
Total	126	22	1	0.8%	66	5	1	1.5%	192	27	2	1.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New York, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	128	35	4	3.1%	59	2	0	0.0%	187	37	4	2.1%
2012	118	24	2	1.7%	71	9	0	0.0%	189	33	2	1.1%
2014	126	22	1	0.8%	66	5	1	1.5%	192	27	2	1.0%

North Carolina

General election defeats

There were 170 seats up for election in North Carolina. Overall, 154 incumbents advanced to the general election, including 52 Democrats and 102 Republicans. Of that total, five incumbents lost—one Democrat and four Republicans—representing 3.2% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in North Carolina, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	38	0	0.0%	71	4	5.6%	109	4	3.7%
Senate	14	1	7.1%	31	0	0.0%	45	1	2.2%
Total	52	1	1.9%	102	4	3.9%	154	5	3.2%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in North Carolina, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	83	20	24.1%	63	0	0.0%	146	20	13.7%
2012	47	5	10.6%	70	1	1.4%	117	6	5.1%
2014	52	1	1.9%	102	4	3.9%	154	5	3.2%

Primary defeats

There were 170 seats up for election in North Carolina. Overall, 156 incumbents filed for re-election, including 54 Democrats and 102 Republicans. Of that total, four incumbents lost in primaries—two Democrats and two Republicans—representing 2.6% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in North Carolina, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	39	5	1	2.6%	72	15	2	2.8%	111	20	3	2.7%
Senate	15	4	1	6.7%	30	5	0	0.0%	45	9	1	2.2%
Total	54	9	2	3.7%	102	20	2	2.0%	156	29	4	2.6%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in North Carolina, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	88	24	4	4.5%	64	15	1	1.6%	152	39	5	3.3%
2012	50	15	2	4.0%	77	22	5	6.5%	127	37	7	5.5%
2014	54	9	2	3.7%	102	20	2	2.0%	156	29	4	2.6%

North Dakota

General election defeats

There were 72 seats up for election in North Dakota. Overall, 59 incumbents advanced to the general election, including 10 Democrats and 49 Republicans. Of that total, three incumbents lost—one Democrat and two Republicans—representing 5.1% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in North Dakota, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	6	1	16.7%	32	1	3.1%	38	2	5.3%
Senate	4	0	0.0%	17	1	5.9%	21	1	4.8%
Total	10	1	10.0%	49	2	4.1%	59	3	5.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in North Dakota, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	24	12	50.0%	33	0	0.0%	57	12	21.1%
2012	18	4	22.2%	39	2	5.1%	57	6	10.5%
2014	10	1	10.0%	49	2	4.1%	59	3	5.1%

Primary defeats

There were 72 seats up for election in North Dakota. Overall, 59 incumbents filed for re-election, including 10 Democrats and 49 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in North Dakota, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	6	0	0	0.0%	32	4	0	0.0%	38	4	0	0.0%
Senate	4	0	0	0.0%	17	0	0	0.0%	21	0	0	0.0%
Total	10	0	0	0.0%	49	4	0	0.0%	59	4	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in North Dakota, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	24	2	0	0.0%	33	0	0	0.0%	57	2	0	0.0%
2012	18	0	0	0.0%	43	10	4	9.3%	61	10	4	6.6%
2014	10	0	0	0.0%	49	4	0	0.0%	59	4	0	0.0%

Ohio

General election defeats

There were 116 seats up for election in Ohio. Overall, 86 incumbents advanced to the general election, including 30 Democrats and 56 Republicans. Of that total, three Democratic incumbents lost, representing 3.5% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Ohio, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	26	3	11.5%	47	0	0.0%	73	3	4.1%
Senate	4	0	0.0%	9	0	0.0%	13	0	0.0%
Total	30	3	10.0%	56	0	0.0%	86	3	3.5%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Ohio, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	46	13	28.3%	40	0	0.0%	86	13	15.1%
2012	35	0	0.0%	65	2	3.1%	100	2	2.0%
2014	30	3	10.0%	56	0	0.0%	86	3	3.5%

Primary defeats

There were 116 seats up for election in Ohio. Overall, 90 incumbents filed for re-election, including 31 Democrats and 59 Republicans. Of that total, three incumbents lost in primaries—one Democrat and two Republicans—representing 3.3% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Ohio, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	27	4	1	3.7%	50	14	2	4.0%	77	18	3	3.9%
Senate	4	0	0	0.0%	9	5	0	0.0%	13	5	0	0.0%
Total	31	4	1	3.2%	59	19	2	3.4%	90	23	3	3.3%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Ohio, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	47	6	1	2.1%	40	8	0	0.0%	87	14	1	1.1%
2012	36	6	0	0.0%	62	8	1	1.6%	98	14	1	1.0%
2014	31	4	1	3.2%	59	19	2	3.4%	90	23	3	3.3%

Oklahoma

General election defeats

There were 125 seats up for election in Oklahoma. Overall, 95 incumbents advanced to the general election, including 25 Democrats and 70 Republicans. Of that total, one Republican incumbent lost, representing 1.1% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Oklahoma, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	23	0	0.0%	57	1	1.8%	80	1	1.3%
Senate	2	0	0.0%	13	0	0.0%	15	0	0.0%
Total	25	0	0.0%	70	1	1.4%	95	1	1.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Oklahoma, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	40	6	15.0%	62	0	0.0%	102	6	5.9%
2012	30	0	0.0%	71	0	0.0%	101	0	0.0%
2014	25	0	0.0%	70	1	1.4%	95	1	1.1%

Primary defeats

There were 125 seats up for election in Oklahoma. Overall, 95 incumbents filed for re-election, including 25 Democrats and 70 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Oklahoma, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	23	1	0	0.0%	57	10	0	0.0%	80	11	0	0.0%
Senate	2	0	0	0.0%	13	2	0	0.0%	15	2	0	0.0%
Total	25	1	0	0.0%	70	12	0	0.0%	95	13	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Oklahoma, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	41	5	1	2.4%	62	7	0	0.0%	103	12	1	1.0%
2012	30	2	0	0.0%	72	17	1	1.4%	102	19	1	1.0%
2014	25	1	0	0.0%	70	12	0	0.0%	95	13	0	0.0%

Oregon

General election defeats

There were 75 seats up for election in Oregon. Overall, 59 incumbents advanced to the general election, including 38 Democrats and 21 Republicans. Of that total, two Republican incumbents lost, representing 3.4% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Oregon, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	29	0	0.0%	16	0	0.0%	45	0	0.0%
Senate	9	0	0.0%	5	2	40.0%	14	2	14.3%
Total	38	0	0.0%	21	2	9.5%	59	2	3.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Oregon, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	43	4	9.3%	25	0	0.0%	68	4	5.9%
2012	30	0	0.0%	34	4	11.8%	64	4	6.3%
2014	38	0	0.0%	21	2	9.5%	59	2	3.4%

Primary defeats

There were 75 seats up for election in Oregon. Overall, 60 incumbents filed for re-election, including 38 Democrats and 22 Republicans. Of that total, one Republican incumbent lost in primaries, representing 1.7% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Oregon, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	29	3	0	0.0%	17	3	1	5.9%	46	6	1	2.2%
Senate	9	0	0	0.0%	5	0	0	0.0%	14	0	0	0.0%
Total	38	3	0	0.0%	22	3	1	4.5%	60	6	1	1.7%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Oregon, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	44	2	0	0.0%	25	7	0	0.0%	69	9	0	0.0%
2012	31	1	1	3.2%	35	3	1	2.9%	66	4	2	3.0%
2014	38	3	0	0.0%	22	3	1	4.5%	60	6	1	1.7%

Pennsylvania

General election defeats

There were 228 seats up for election in Pennsylvania. Overall, 198 incumbents advanced to the general election, including 90 Democrats and 108 Republicans. Of that total, four Democratic incumbents lost, representing 2.0% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Pennsylvania, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	83	3	3.6%	97	0	0.0%	180	3	1.7%
Senate	7	1	14.3%	11	0	0.0%	18	1	5.6%
Total	90	4	4.4%	108	0	0.0%	198	4	2.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Pennsylvania, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	101	9	8.9%	106	0	0.0%	207	9	4.3%
2012	83	0	0.0%	113	1	0.9%	196	1	0.5%
2014	90	4	4.4%	108	0	0.0%	198	4	2.0%

Primary defeats

There were 228 seats up for election in Pennsylvania. Overall, 203 incumbents filed for re-election, including 95 Democrats and 108 Republicans. Of that total, six incumbents lost in primaries—five Democrats and one Republican—representing 3.0% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Pennsylvania, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	87	28	4	4.6%	97	11	1	1.0%	184	39	5	2.7%
Senate	8	2	1	12.5%	11	1	0	0.0%	19	3	1	5.3%
Total	95	30	5	5.3%	108	12	1	0.9%	203	42	6	3.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Pennsylvania, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	100	20	0	0.0%	107	9	1	0.9%	207	29	1	0.5%
2012	88	17	4	4.5%	115	15	1	0.9%	203	32	5	2.5%
2014	95	30	5	5.3%	108	12	1	0.9%	203	42	6	3.0%

Rhode Island

General election defeats

There were 113 seats up for election in Rhode Island. Overall, 102 incumbents advanced to the general election, including 92 Democrats, nine Republicans, and one minor or independent party candidate. Of that total, seven Democratic incumbents lost, representing 6.9% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Rhode Island, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	60	6	10.0%	6	0	0.0%	66	6	9.1%
Senate	32	1	3.1%	3	0	0.0%	36	1	2.8%
Total	92	7	7.6%	9	0	0.0%	102	7	6.9%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Rhode Island, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	79	4	5.1%	8	0	0.0%	88	4	4.5%
2012	78	0	0.0%	15	4	26.7%	94	4	4.3%
2014	92	7	7.6%	9	0	0.0%	102	7	6.9%

Primary defeats

There were 113 seats up for election in Rhode Island. Overall, 105 incumbents filed for re-election, including 95 Democrats and nine Republicans. Of that total, three Democratic incumbents lost in primaries, representing 2.9% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Rhode Island, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	63	11	3	4.8%	6	0	0	0.0%	69	11	3	4.3%
Senate	32	7	0	0.0%	3	0	0	0.0%	36	7	0	0.0%
Total	95	18	3	3.2%	9	0	0	0.0%	105	18	3	2.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Rhode Island, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	88	32	9	10.2%	9	2	1	11.1%	98	34	10	10.2%
2012	84	24	6	7.1%	15	2	0	0.0%	100	26	6	6.0%
2014	95	18	3	3.2%	9	0	0	0.0%	105	18	3	2.9%

South Carolina

General election defeats

There were 124 seats up for election in South Carolina. Overall, 112 incumbents advanced to the general election, including 41 Democrats and 71 Republicans. Of that total, one incumbent lost, representing 0.9% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in South Carolina, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	41	0	0.0%	71	1	1.4%	112	1	0.9%
Senate	Did not hold elections.
Total	41	0	0.0%	71	1	1.4%	112	1	0.9%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in South Carolina, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	48	3	6.3%	58	0	0.0%	106	3	2.8%
2012	55	0	0.0%	89	2	2.2%	144	2	1.4%
2014	41	0	0.0%	71	1	1.4%	112	1	0.9%

Primary defeats

There were 124 seats up for election in South Carolina. Overall, 115 incumbents filed for re-election, including 42 Democrats and 73 Republicans. Of that total, two Republican incumbents lost in primaries, representing 1.7% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in South Carolina, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	42	5	0	0.0%	73	15	2	2.7%	115	20	2	1.7%
Senate	Did not hold elections.
Total	42	5	0	0.0%	73	15	2	2.7%	115	20	2	1.7%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in South Carolina, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	48	11	0	0.0%	64	15	5	7.8%	112	26	5	4.5%
2012	57	7	2	3.5%	91	16	3	3.3%	148	23	5	3.4%
2014	42	5	0	0.0%	73	15	2	2.7%	115	20	2	1.7%

South Dakota

General election defeats

There were 105 seats up for election in South Dakota. Overall, 74 incumbents advanced to the general election, including 16 Democrats and 58 Republicans. Of that total, three incumbents lost—two Democrats and one Republican—representing 4.1% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in South Dakota, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	11	1	9.1%	37	0	0.0%	48	1	2.1%
Senate	5	1	20.0%	21	1	4.8%	26	2	7.7%
Total	16	2	12.5%	58	1	1.7%	74	3	4.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in South Dakota, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	25	9	36.0%	44	0	0.0%	69	9	13.0%
2012	13	0	0.0%	53	4	7.5%	66	4	6.1%
2014	16	2	12.5%	58	1	1.7%	74	3	4.1%

Primary defeats

There were 105 seats up for election in South Dakota. Overall, 74 incumbents filed for re-election, including 16 Democrats and 58 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in South Dakota, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	11	2	0	0.0%	37	13	0	0.0%	48	15	0	0.0%
Senate	5	0	0	0.0%	21	2	0	0.0%	26	2	0	0.0%
Total	16	2	0	0.0%	58	15	0	0.0%	74	17	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in South Dakota, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	26	3	1	3.8%	45	4	0	0.0%	71	7	1	1.4%
2012	15	3	1	6.7%	59	22	4	6.8%	74	25	5	6.8%
2014	16	2	0	0.0%	58	15	0	0.0%	74	17	0	0.0%

Tennessee

General election defeats

There were 116 seats up for election in Tennessee. Overall, 96 incumbents advanced to the general election, including 27 Democrats and 69 Republicans. Of that total, two Democratic incumbents lost, representing 2.1% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Tennessee, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	25	2	8.0%	60	0	0.0%	85	2	2.4%
Senate	2	0	0.0%	9	0	0.0%	11	0	0.0%
Total	27	2	7.4%	69	0	0.0%	96	2	2.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Tennessee, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	54	13	24.1%	49	0	0.0%	104	13	12.5%
2012	25	1	4.0%	60	1	1.7%	86	2	2.3%
2014	27	2	7.4%	69	0	0.0%	96	2	2.1%

Primary defeats

There were 116 seats up for election in Tennessee. Overall, 104 incumbents filed for re-election, including 29 Democrats and 75 Republicans. Of that total, eight incumbents lost in primaries—two Democrats and six Republicans—representing 7.7% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Tennessee, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	26	3	1	3.8%	64	17	4	6.3%	90	20	5	5.6%
Senate	3	2	1	33.3%	11	3	2	18.2%	14	5	3	21.4%
Total	29	5	2	6.9%	75	20	6	8.0%	104	25	8	7.7%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Tennessee, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	54	6	0	0.0%	51	6	2	3.9%	106	12	2	1.9%
2012	30	11	5	16.7%	67	24	7	10.4%	98	35	12	12.2%
2014	29	5	2	6.9%	75	20	6	8.0%	104	25	8	7.7%

Texas

General election defeats

There were 165 seats up for election in Texas. Overall, 138 incumbents advanced to the general election, including 55 Democrats and 83 Republicans. Of that total, two Democratic incumbents lost, representing 1.4% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Texas, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	52	2	3.8%	76	0	0.0%	128	2	1.6%
Senate	3	0	0.0%	7	0	0.0%	10	0	0.0%
Total	55	2	3.6%	83	0	0.0%	138	2	1.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Texas, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	71	21	29.6%	80	0	0.0%	151	21	13.9%
2012	52	0	0.0%	83	3	3.6%	135	3	2.2%
2014	55	2	3.6%	83	0	0.0%	138	2	1.4%

Primary defeats

There were 165 seats up for election in Texas. Overall, 150 incumbents filed for re-election, including 57 Democrats and 93 Republicans. Of that total, 11 incumbents lost in primaries—two Democrats and nine Republicans—representing 7.3% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Texas, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	54	10	2	3.7%	84	23	7	8.3%	138	33	9	6.5%
Senate	3	1	0	0.0%	9	5	2	22.2%	12	6	2	16.7%
Total	57	11	2	3.5%	93	28	9	9.7%	150	39	11	7.3%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Texas, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	75	8	4	5.3%	82	20	3	3.7%	157	28	7	4.5%
2012	53	8	0	0.0%	94	43	11	11.7%	147	51	11	7.5%
2014	57	11	2	3.5%	93	28	9	9.7%	150	39	11	7.3%

Utah

General election defeats

There were 89 seats up for election in Utah. Overall, 74 incumbents advanced to the general election, including 13 Democrats and 61 Republicans. Of that total, one Democratic incumbent lost, representing 1.4% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Utah, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	10	1	10.0%	52	0	0.0%	62	1	1.6%
Senate	3	0	0.0%	9	0	0.0%	12	0	0.0%
Total	13	1	7.7%	61	0	0.0%	74	1	1.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Utah, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	27	6	22.2%	52	0	0.0%	79	6	7.6%
2012	15	1	6.7%	55	1	1.8%	70	2	2.9%
2014	13	1	7.7%	61	0	0.0%	74	1	1.4%

Primary defeats

There were 89 seats up for election in Utah. Overall, 77 incumbents filed for re-election, including 13 Democrats and 64 Republicans. Of that total, three Republican incumbents lost in primaries, representing 3.9% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Utah, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	10	0	0	0.0%	55	3	3	5.5%	65	3	3	4.6%
Senate	3	0	0	0.0%	9	1	0	0.0%	12	1	0	0.0%
Total	13	0	0	0.0%	64	4	3	4.7%	77	4	3	3.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Utah, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	27	1	0	0.0%	54	8	2	3.7%	81	9	2	2.5%
2012	17	2	2	11.8%	61	12	6	9.8%	78	14	8	10.3%
2014	13	0	0	0.0%	64	4	3	4.7%	77	4	3	3.9%

Vermont

General election defeats

There were 180 seats up for election in Vermont. Overall, 152 incumbents advanced to the general election, including 105 Democrats, 44 Republicans, and three minor or independent party candidates. Of that total, 11 Democratic incumbents lost, representing 7.2% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Vermont, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	85	10	11.8%	37	0	0.0%	125	10	8.0%
Senate	20	1	5.0%	7	0	0.0%	27	1	3.7%
Total	105	11	10.5%	44	0	0.0%	152	11	7.2%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Vermont, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	106	4	3.8%	47	2	4.3%	158	6	3.8%
2012	106	3	2.8%	45	3	6.7%	155	6	3.9%
2014	105	11	10.5%	44	0	0.0%	152	11	7.2%

Primary defeats

There were 180 seats up for election in Vermont. Overall, 153 incumbents filed for re-election, including 105 Democrats and 45 Republicans. Of that total, one Republican incumbent lost in primaries, representing 0.7% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Vermont, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	85	4	0	0.0%	38	3	1	2.6%	126	7	1	0.8%
Senate	20	1	0	0.0%	7	0	0	0.0%	27	1	0	0.0%
Total	105	5	0	0.0%	45	3	1	2.2%	153	8	1	0.7%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Vermont, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	107	8	0	0.0%	47	5	0	0.0%	159	13	0	0.0%
2012	105	11	0	0.0%	45	1	0	0.0%	155	12	0	0.0%
2014	105	5	0	0.0%	45	3	1	2.2%	153	8	1	0.7%

Washington

General election defeats

There were 123 seats up for election in Washington. Overall, 110 incumbents advanced to the general election, including 63 Democrats and 47 Republicans. Of that total, four Democratic incumbents lost, representing 3.6% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Washington, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	52	4	7.7%	37	0	0.0%	89	4	4.5%
Senate	11	0	0.0%	10	0	0.0%	21	0	0.0%
Total	63	4	6.3%	47	0	0.0%	110	4	3.6%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Washington, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	64	8	12.5%	38	1	2.6%	102	9	8.8%
2012	53	1	1.9%	44	2	4.5%	97	3	3.1%
2014	63	4	6.3%	47	0	0.0%	110	4	3.6%

Primary defeats

There were 123 seats up for election in Washington. Overall, 111 incumbents filed for re-election, including 63 Democrats and 48 Republicans. Of that total, one Republican incumbent lost in primaries, representing 0.9% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Washington, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	52	12	0	0.0%	38	7	1	2.6%	90	19	1	1.1%
Senate	11	3	0	0.0%	10	1	0	0.0%	21	4	0	0.0%
Total	63	15	0	0.0%	48	8	1	2.1%	111	23	1	0.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Washington, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	65	21	1	1.5%	38	3	0	0.0%	103	24	1	1.0%
2012	53	10	0	0.0%	45	5	1	2.2%	98	15	1	1.0%
2014	63	15	0	0.0%	48	8	1	2.1%	111	23	1	0.9%

West Virginia

General election defeats

There were 117 seats up for election in West Virginia. Overall, 98 incumbents advanced to the general election, including 54 Democrats and 44 Republicans. Of that total, 23 incumbents lost—22 Democrats and one Republican—representing 23.5% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in West Virginia, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	43	16	37.2%	41	1	2.4%	84	17	20.2%
Senate	11	6	54.5%	3	0	0.0%	14	6	42.9%
Total	54	22	40.7%	44	1	2.3%	98	23	23.5%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in West Virginia, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	74	5	6.8%	25	0	0.0%	99	5	5.1%
2012	64	7	10.9%	32	1	3.1%	96	8	8.3%
2014	54	22	40.7%	44	1	2.3%	98	23	23.5%

Primary defeats

There were 117 seats up for election in West Virginia. Overall, 106 incumbents filed for re-election, including 60 Democrats and 46 Republicans. Of that total, seven incumbents lost in primaries—six Democrats and one Republicans—representing 6.6% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in West Virginia, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	48	18	5	10.4%	43	15	1	2.3%	91	33	6	6.6%
Senate	12	1	1	8.3%	3	0	0	0.0%	15	1	1	6.7%
Total	60	19	6	10.0%	46	15	1	2.2%	106	34	7	6.6%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in West Virginia, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	76	46	2	2.6%	27	6	1	3.7%	103	52	3	2.9%
2012	66	37	2	3.0%	32	8	0	0.0%	98	45	2	2.0%
2014	60	19	6	10.0%	46	15	1	2.2%	106	34	7	6.6%

Wisconsin

General election defeats

There were 116 seats up for election in Wisconsin. Overall, 87 incumbents advanced to the general election, including 36 Democrats and 51 Republicans. Of that total, three Democratic incumbents lost, representing 3.4% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Wisconsin, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	32	3	9.4%	45	0	0.0%	77	3	3.9%
Senate	4	0	0.0%	6	0	0.0%	10	0	0.0%
Total	36	3	8.3%	51	0	0.0%	87	3	3.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Wisconsin, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	51	13	25.5%	40	0	0.0%	92	13	14.1%
2012	34	2	5.9%	58	3	5.2%	92	5	5.4%
2014	36	3	8.3%	51	0	0.0%	87	3	3.4%

Primary defeats

There were 116 seats up for election in Wisconsin. Overall, 87 incumbents filed for re-election, including 36 Democrats and 51 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Wisconsin, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	32	2	0	0.0%	45	1	0	0.0%	77	3	0	0.0%
Senate	4	0	0	0.0%	6	0	0	0.0%	10	0	0	0.0%
Total	36	2	0	0.0%	51	1	0	0.0%	87	3	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Wisconsin, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	52	6	1	1.9%	40	7	0	0.0%	93	13	1	1.1%
2012	36	9	2	5.6%	58	6	0	0.0%	94	15	2	2.1%
2014	36	2	0	0.0%	51	1	0	0.0%	87	3	0	0.0%

Wyoming

General election defeats

There were 75 seats up for election in Wyoming. Overall, 60 incumbents advanced to the general election, including 9 Democrats and 51 Republicans. Of that total, one Republican incumbent lost, representing 1.7% of incumbents who advanced to the general election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Wyoming, 2014
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	7	0	0.0%	40	1	2.5%	47	1	2.1%
Senate	2	0	0.0%	11	0	0.0%	13	0	0.0%
Total	9	0	0.0%	51	1	2.0%	60	1	1.7%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Wyoming, 2010-2014
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	18	7	38.9%	42	0	0.0%	60	7	11.7%
2012	9	1	11.1%	48	0	0.0%	57	1	1.8%
2014	9	0	0.0%	51	1	2.0%	60	1	1.7%

Primary defeats

There were 75 seats up for election in Wyoming. Overall, 64 incumbents filed for re-election, including nine Democrats and 55 Republicans. Of that total, four Republicans incumbents lost in primaries, representing 6.3% of incumbents who filed for re-election.

Statistics from 2014 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Wyoming, 2014
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	7	0	0	0.0%	44	20	4	9.1%	51	20	4	7.8%
Senate	2	0	0	0.0%	11	6	0	0.0%	13	6	0	0.0%
Total	9	0	0	0.0%	55	26	4	7.3%	64	26	4	6.3%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Wyoming, 2010-2014
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	18	0	0	0.0%	42	15	0	0.0%	60	15	0	0.0%
2012	9	0	0	0.0%	51	21	3	5.9%	60	21	3	5.0%
2014	9	0	0	0.0%	55	26	4	7.3%	64	26	4	6.3%

See also

• State legislative elections, 2014
  • Impact of term limits on state legislative elections in 2014
  • Open seats in state legislative elections, 2014
  • Contested state legislative primaries, 2014
  • State legislative incumbents in contested primaries, 2014
  • Major party competition in state legislative elections, 2014
  • State legislative incumbents without general election challengers, 2014

Footnotes

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