States with initiative or referendum
Twenty-six states have initiative and/or veto referendum processes at the statewide level. Washington, D.C., also has initiative and referendum processes. The availability of the powers at the local level varies by jurisdiction depending on state and local laws.
The following states have initiative and/or veto referendum processes at the statewide level:
|

Contents
Signature requirements and deadlines by state
Click on the links below to read about signature requirements and deadlines for ballot initiatives in each state.
- Signature requirements for ballot measures in Alaska
- Signature requirements for ballot measures in Arizona
- Signature requirements for ballot measures in Arkansas
- Signature requirements for ballot measures in California
- Signature requirements for ballot measures in Colorado
- Signature requirements for ballot measures in Florida
- Signature requirements for ballot measures in Idaho
- Signature requirements for ballot measures in Illinois
- Signature requirements for ballot measures in Maine
- Signature requirements for ballot measures in Maryland
- Signature requirements for ballot measures in Massachusetts
- Signature requirements for ballot measures in Michigan
- Signature requirements for ballot measures in Mississippi
- Signature requirements for ballot measures in Missouri
- Signature requirements for ballot measures in Montana
- Signature requirements for ballot measures in Nebraska
- Signature requirements for ballot measures in Nevada
- Signature requirements for ballot measures in New Mexico
- Signature requirements for ballot measures in North Dakota
- Signature requirements for ballot measures in Ohio
- Signature requirements for ballot measures in Oklahoma
- Signature requirements for ballot measures in Oregon
- Signature requirements for ballot measures in South Dakota
- Signature requirements for ballot measures in Utah
- Signature requirements for ballot measures in Washington
- Signature requirements for ballot measures in Wyoming
Chart of powers in each state
The chart below lists the 26 states with the power of initiative or referendum, shows what powers—initiated statute, initiated amendment, veto referendum, or some combination—the people in that state enjoy. It also shows the signature requirement for each type of measure as of the 2019/2020 election cycle. The chart does not differentiate between different types of initiated statute or initiated amendment, such as between direct or indirect initiatives. Read details about the process in each state by clicking the links in the chart.
| State | Constitutional | Signatures | Statute | Signatures | Referendum | Signatures |
|---|---|---|---|---|---|---|
| Alaska | |
N/A | |
32,127 | |
32,127 |
| Arizona | |
356,467 | |
237,645 | |
118,823 |
| Arkansas | |
89,151 | |
71,321 | |
53,491 |
| California | |
997,139 | |
623,212 | |
623,212 |
| Colorado | |
124,632 | |
124,632 | |
124,632 |
| Florida | |
766,200 | |
N/A | |
N/A |
| Idaho | |
N/A | |
56,192 | |
56,192 |
| Illinois | |
363,813 | |
N/A | |
N/A |
| Maine | |
N/A | |
63,067 | |
63,067 |
| Maryland | |
N/A | |
N/A | |
69,135 |
| Massachusetts | |
64,750 | |
93,611 | |
40,119[1] |
| Michigan | |
425,059 | |
340,047 | |
212,529 |
| Mississippi | |
86,185 | |
N/A | |
N/A |
| Missouri | |
160,199[2] | |
100,126[2] | |
100,126[2] |
| Montana | |
50,936 | |
25,468 | |
25,468 |
| Nebraska | |
122,274 | |
85,592 | |
61,137[3] |
| New Mexico | |
N/A | |
N/A | |
70,165[4] |
| Nevada | |
97,616 | |
97,616 | |
97,616 |
| North Dakota | |
26,904 | |
13,452 | |
13,452 |
| Ohio | |
442,958 | |
265,774 | |
265,774 |
| Oklahoma | |
177,958 | |
94,911 | |
59,320 |
| Oregon | |
149,360 | |
112,020 | |
74,680 |
| South Dakota | |
33,921 | |
16,961 | |
16,961 |
| Utah | |
N/A | |
115,869 | |
115,869 |
| Washington | |
N/A | |
259,622 | |
129,811 |
| Wyoming | |
N/A | |
30,792 | |
30,792 |
See also
- States that allow initiated constitutional amendments
- States with referendum only
- States with initiated statutes only
- States without initiative or referendum
- List of ballot measures by state
- Amending state constitutions
- Laws governing ballot measures
External links
Foot notes
- ↑ This was the number of signatures required to put a targeted law before voters. To suspend the enactment of the targeted law until the election, the requirement was 53,492 valid signatures.
- ↑ 2.0 2.1 2.2 This is the minimum required if signatures are collected in the congressional districts with the lowest numbers of votes cast in 2016. The signature requirement varies based on what districts are targeted for signature collection.
- ↑ To suspend the enactment of the targeted law until the election, the requirement is 122,274 valid signatures.
- ↑ This was the number of signatures required to put a targeted law before voters. To suspend the enactment of the targeted law until the election, the requirement was 175,413 valid signatures.
| |||||||||||||
