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State constitutional conventions ballot measures
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As a state ballot measure topic, state constitutional conventions refer to measures that propose holding a convention to revise a state’s constitution or to change the rules governing how such conventions are held. The topic is grouped within the governance policy area.
This page provides information on:
- upcoming ballot measures and
- a comprehensive list of ballot measures by year and state.
Upcoming ballot measures
- See also: 2025 ballot measures and 2026 ballot measures
The following is a list of state ballot measures related to state constitutional conventions certified for this year and future elections:
2032
- Ohio Constitutional Convention Question (2032) - On the ballot
2030
- Iowa Constitutional Convention Question (2030) - On the ballot
- Montana Constitutional Convention Question (2030) - On the ballot
2028
- Connecticut Constitutional Convention Question (2028) - On the ballot
- Hawaii Constitutional Convention Question (2028) - On the ballot
- Illinois Constitutional Convention Question (2028) - On the ballot
2026
- Michigan Constitutional Convention Question (2026) - On the ballot
List of ballot measures
Click the tabs to view state ballot measures related to state constitutional conventions, organized by year or state.
Year
State
2042
- Missouri Constitutional Convention Question (2042) - On the ballot
2032
- Ohio Constitutional Convention Question (2032) - On the ballot
2030
- Iowa Constitutional Convention Question (2030) - On the ballot
- Montana Constitutional Convention Question (2030) - On the ballot
2028
- Connecticut Constitutional Convention Question (2028) - On the ballot
- Hawaii Constitutional Convention Question (2028) - On the ballot
- Illinois Constitutional Convention Question (2028) - On the ballot
2026
- Michigan Constitutional Convention Question (2026) - On the ballot
2024
2022
-
Alaska Ballot Measure 1, Constitutional Convention Question (2022)
-
Missouri Constitutional Convention Question (2022)
-
New Hampshire Constitutional Convention Question (2022)
2020
-
Iowa Constitutional Convention Question (2020)
-
U.S. Virgin Islands Constitutional Convention Question (2020)
2018
2017
2014
2012
-
Alaska Constitutional Convention Question, Ballot Measure 1 (2012)
-
New Hampshire Constitutional Convention Question (2012)
-
Ohio Issue 1, Constitutional Convention Question (2012)
2010
-
Iowa Constitutional Convention, Question 1 (2010)
-
Maryland Constitutional Convention, Question 1 (2010)
-
Michigan Proposal 10-01, Constitutional Convention Question (2010)
-
Montana Constitutional Convention Question, CC-2 (2010)
2008
-
Connecticut Question 1, State Constitutional Convention Question (2008)
-
Hawaii Constitutional Convention, Question 1 (2008)
-
Illinois Constitutional Convention Question (2008)
2004
2002
-
Alaska Measure 1, Constitutional Convention Question (2002)
-
Missouri Constitutional Convention (2002)
-
Missouri Constitutional Convention Question (2002)
2000
-
Iowa Constitutional Convention, Question 1 (2000)
-
Rhode Island Co-Equal Branches of Government Act, Question 6 (2000)
1998
1997
1996
-
Colorado Amendment 12, Constitutional Convention for Congressional Term Limits Initiative (1996)
-
Hawaii Constitutional Convention (1996)
-
New Mexico Amendment 4 (1996)
-
North Dakota United States Constitutional Convention, Measure 6 (1996)
1994
-
Michigan Proposal A, Constitutional Convention Question (1994)
-
Oklahoma State Question 660, Remove Requirement for Constitutional Convention Question Every 20 Years Amendment (1994)
-
Rhode Island Constitutional Convention, Proposal 4 (1994)
1992
-
Alaska Measure 1, Constitutional Convention Question (1992)
-
Louisiana Constitutional Convention Amendment (1992)
-
New Hampshire Constitutional Convention, Question 1 (1992)
-
Ohio Constitutional Convention Question (1992)
1990
-
Iowa Constitutional Convention Question (1990)
-
Maryland Constitutional Convention, Question 3 (1990)
-
Montana Constitutional Convention Question, CC-1 (1990)
1988
1986
-
Connecticut Question 1, State Constitutional Convention Question (1986)
-
Rhode Island Question 5, Citizen-Initiated Ballot Measure Process and Nonpartisan Constitutional Convention Candidates Amendment (1986)
1984
1982
-
Alaska Measure 1, Constitutional Convention Question (1982)
-
Missouri Amendment 9, Delegate Selection for Constitutional Convention Measure (1982)
-
Missouri Constitutional Convention Question (1982)
-
New Hampshire Constitutional Convention (1982)
1980
1978
-
Hawaii Technical and Style Changes, Amendment 34 (1978)
-
Michigan Proposal A, Constitutional Convention Question (1978)
-
North Dakota Veteran Bonds and Constitutional Convention Referendum, Amendment 6 (1978)
1977
-
Kentucky Constitutional Convention Referendum (1977)
-
New York Proposition 2, Constitutional Convention Question (1977)
1976
-
Arkansas Constitutional Revision Convention, Act 1177 (1976)
-
Hawaii Constitutional Convention, Amendment 2 (1976)
1973
1972
-
Alaska Constitutional Convention Question (1972)
-
New Hampshire Constitutional Convention (1972)
-
North Dakota Age of Adulthood, Alternate Proposition 3 (1972)
-
Ohio Constitutional Convention Question (1972)
-
South Dakota Amendment E, Initiated Constitutional Amendment and Constitution Revision Measure (1972)
-
Texas Proposition 4, Constitution Revision Commission and Constitutional Convention Amendment (1972)
1970
-
Alaska Constitutional Convention Question (1970)
-
Arkansas Proposed State Constitution (1970)
-
California Proposition 16, Constitutional Amendments and Conventions Amendment (1970)
-
Iowa Constitutional Convention Question (1970)
-
Maryland Constitutional Convention, Question 10 (1970)
-
Montana Constitutional Convention Question, R-67 (1970)
-
North Dakota Constitutional Convention Referendum, Amendment 2 (1970)
-
Oklahoma State Question 472, Call for Constitutional Convention Amendment (March 1970)
1969
1968
-
Arkansas Constitutional Revision Convention, Act 3 (1968)
-
Hawaii Revisions and Amendments to the Constitution, Amendment 22 (1968)
-
Illinois Constitutional Convention Question (1968)
-
Massachusetts Question 4, State Constitutional Convention Initiative (1968)
-
New Mexico Referendum: Convention to Revise Constitution (1968)
-
Tennessee Constitutional Convention: Administration of Government, Amendment 4 (1968)
-
Tennessee Constitutional Convention: Judiciary, Amendment 1 (1968)
-
Tennessee Constitutional Convention: Local Government, Amendment 2 (1968)
-
Tennessee Constitutional Convention: Tax Classifications, Amendment 3 (1968)
-
Tennessee Constitutional Convention: Voting Age, Amendment 5 (1968)
1967
1966
-
Florida Amendment 1, Constitutional Revisions by Convention Amendment (1966)
-
Utah Proposition 2, State Constitutional Convention Measure (1966)
1965
1964
-
Iowa Constitutional Conventions, Amendment 1 (1964)
- Rhode Island Constitutional Convention, Proposal 1 (1964)
1963
1962
1961
1960
-
Iowa Constitutional Convention, Question 1 (1960)
-
Kentucky Limited Constitutional Convention Referendum (1960)
-
Michigan Proposal 3, Vote Requirement for Constitutional Convention Questions and Delegate Elections Initiative (1960)
1958
1957
1956
1954
-
Minnesota Majority for Ratifying the Constitution, Amendment 1 (1954)
-
New Hampshire Constitutional Convention Question (1954)
1952
-
Minnesota Majority for Ratifying the Constitution, Amendment 2 (1952)
-
Nebraska Amendment 5, Provisions for Constitutional Conventions Amendment (1952)
-
Ohio Constitutional Convention Question (1952)
1950
-
Iowa Constitutional Convention, Question 1 (1950)
-
Maryland Constitutional Convention, Amendment 6 (1950)
-
Oklahoma State Question 347, Constitutional Convention Measure (1950)
1949
1948
-
Florida Amendment 5, Legislative Authority to Propose Constitution Article Revisions Amendment (1948)
-
Michigan Constitutional Convention Question (1948)
-
Minnesota Calling a Constitutional Convention, Amendment 3 (1948)
-
New Hampshire Constitutional Convention, Question 2 (1948)
1947
1946
1942
1938
-
New York Constitutional Convention Amendment, Amendment 1 (1938)
-
New York Judiciary Article, Amendment 5 (1938)
-
New York Low-rent Housing and Slum Clearance, Amendment 4 (1938)
-
New York Railroad Grade Crossings, Amendment 3 (1938)
-
New York Social Welfare, Amendment 8 (1938)
-
New York State Senator Terms, Amendment 2 (1938)
1936
1934
-
California Proposition 8, Constitutional Convention Question (1934)
-
Illinois Constitutional Convention Proposal (1934)
1933
1932
1930
-
California Proposition 23, Constitutional Convention Amendment (1930)
-
Colorado Measure 1, State Constitutional Convention Question (1930)
-
Maryland Constitutional Convention, Amendment 2 (1930)
1928
1926
-
Michigan Constitutional Convention Question (1926)
-
Nevada State Question 2, U.S. Constitutional Convention on Prohibition Amendment (1926)
-
Oklahoma State Question 146, Constitutional Convention Measure (1926)
1924
-
Missouri Amendment 2, Constitutional Convention Delegate Elections Measure (1924)
-
Missouri Amendment 20, Constitutional Amendment Publication Requirement Measure (February 1924)
-
South Dakota Recommending a Constitution Convention (1924)
1922
1921
1920
-
California Proposition 10, Constitutional Conventions Amendment (1920)
-
Iowa Constitutional Convention, Question 1 (1920)
-
Missouri Proposition 15, Automatic Constitutional Convention Questions Initiative (1920)
1918
-
Idaho Constitutional Convention to ReviseAmend Constitution, SJR 2 (1918)
-
Illinois Constitutional Convention Proposal (1918)
-
Nebraska Amendment 2, Constitutional Convention Initiative (1918)
-
Washington HJR 1, Constitutional Convention Measure (1918)
1916
-
Colorado State Constitutional Convention, Measure 8 (1916)
-
Massachusetts Constitutional Convention Question (1916)
-
New Hampshire Constitutional Convention (1916)
-
New York Constitutional Convention, Amendment 1 (1916)
-
South Dakota Amendment 5, Constitutional Convention Members Measure (1916)
1914
-
California Proposition 1, Constitutional Convention Question (1914)
-
California Proposition 12, Constitutional Conventions Amendment (1914)
-
New York Constitutional Convention, Amendment 1 (1914)
-
South Dakota Proposing for Constitutional Convention Measure (1914)
1910
-
Iowa Constitutional Convention, Question 1 (1910)
-
New Hampshire Constitutional Convention Question (1910)
-
Ohio Constitutional Convention Question (1910)
-
Oregon Measure Nos. 304-305, Constitutional Convention of 1911 Measure (1910)
1907
1906
-
Florida Amending the State Constitution Amendment (1906)
-
Michigan Constitutional Convention Question (April 1906)
1904
1901
1900
1898
1896
1892
1890
1886
1882
1876
1867
1866
-
New York Constitutional Convention, Amendment 1 (1866)
-
Wisconsin Question 2, Constitutional Convention Referendum (1866)
1858
1845
1835
1821
Alaska
-
Alaska Ballot Measure 1, Constitutional Convention Question (2022)
-
Alaska Constitutional Convention Question, Ballot Measure 1 (2012)
-
Alaska Constitutional Convention Question (1970)
-
Alaska Constitutional Convention Question (1972)
-
Alaska Measure 1, Constitutional Convention Question (1982)
-
Alaska Measure 1, Constitutional Convention Question (1992)
-
Alaska Measure 1, Constitutional Convention Question (2002)
Arkansas
-
Arkansas Constitutional Revision Convention, Act 1177 (1976)
-
Arkansas Constitutional Revision Convention, Act 3 (1968)
-
Arkansas Proposed Constitution Measure (1980)
-
Arkansas Proposed State Constitution (1970)
California
-
California Proposition 1, Constitutional Convention Question (1914)
-
California Proposition 10, Constitutional Conventions Amendment (1920)
-
California Proposition 12, Constitutional Conventions Amendment (1914)
-
California Proposition 16, Constitutional Amendments and Conventions Amendment (1970)
-
California Proposition 23, Constitutional Convention Amendment (1930)
-
California Proposition 5, Constitutional Convention Amendment (1949)
-
California Proposition 8, Constitutional Convention Question (1934)
Colorado
-
Colorado Amendment 12, Constitutional Convention for Congressional Term Limits Initiative (1996)
-
Colorado Measure 1, State Constitutional Convention Question (1930)
-
Colorado Measure 6, State Constitutional Convention Question (1922)
-
Colorado State Constitutional Convention, Measure 8 (1916)
Connecticut
- Connecticut Constitutional Convention Question (2028) - On the ballot
-
Connecticut Question 1, State Constitutional Convention Question (1901)
-
Connecticut Question 1, State Constitutional Convention Question (1986)
-
Connecticut Question 1, State Constitutional Convention Question (2008)
Florida
-
Florida Amending the State Constitution Amendment (1906)
-
Florida Amendment 1, Constitutional Revisions by Convention Amendment (1966)
-
Florida Amendment 5, Legislative Authority to Propose Constitution Article Revisions Amendment (1948)
Hawaii
-
Hawaii Constitutional Convention, Amendment 2 (1976)
-
Hawaii Constitutional Convention, Question 1 (2008)
-
Hawaii Constitutional Convention (1996)
-
Hawaii Constitutional Convention Question (1998)
-
Hawaii Constitutional Convention Question (2018)
- Hawaii Constitutional Convention Question (2028) - On the ballot
-
Hawaii Revisions and Amendments to the Constitution, Amendment 22 (1968)
-
Hawaii Technical and Style Changes, Amendment 34 (1978)
Idaho
Illinois
-
Illinois Constitutional Convention Proposal (1918)
-
Illinois Constitutional Convention Proposal (1934)
-
Illinois Constitutional Convention Question (1968)
-
Illinois Constitutional Convention Question (1988)
-
Illinois Constitutional Convention Question (2008)
- Illinois Constitutional Convention Question (2028) - On the ballot
Iowa
-
Iowa Constitutional Convention, Question 1 (1910)
-
Iowa Constitutional Convention, Question 1 (1920)
-
Iowa Constitutional Convention, Question 1 (1950)
-
Iowa Constitutional Convention, Question 1 (1960)
-
Iowa Constitutional Convention, Question 1 (1980)
-
Iowa Constitutional Convention, Question 1 (2000)
-
Iowa Constitutional Convention, Question 1 (2010)
-
Iowa Constitutional Convention Question (1970)
-
Iowa Constitutional Convention Question (1990)
-
Iowa Constitutional Convention Question (2020)
- Iowa Constitutional Convention Question (2030) - On the ballot
-
Iowa Constitutional Conventions, Amendment 1 (1964)
Kentucky
-
Kentucky Constitutional Convention Referendum (1947)
-
Kentucky Constitutional Convention Referendum (1977)
-
Kentucky Limited Constitutional Convention Referendum (1960)
Louisiana
Maryland
-
Maryland Constitutional Convention, Amendment 1 (1907)
-
Maryland Constitutional Convention, Amendment 2 (1930)
-
Maryland Constitutional Convention, Amendment 6 (1950)
-
Maryland Constitutional Convention, Question 10 (1970)
-
Maryland Constitutional Convention, Question 1 (2010)
-
Maryland Constitutional Convention, Question 3 (1990)
Massachusetts
-
Massachusetts Constitutional Convention Question (1916)
-
Massachusetts Question 4, State Constitutional Convention Initiative (1968)
Michigan
-
Michigan Constitutional Convention Question (1882)
-
Michigan Constitutional Convention Question (1890)
-
Michigan Constitutional Convention Question (1892)
-
Michigan Constitutional Convention Question (1898)
-
Michigan Constitutional Convention Question (1904)
-
Michigan Constitutional Convention Question (1926)
-
Michigan Constitutional Convention Question (1948)
-
Michigan Constitutional Convention Question (1958)
- Michigan Constitutional Convention Question (2026) - On the ballot
-
Michigan Constitutional Convention Question (April 1906)
-
Michigan Constitutional Convention Question (April 1961)
-
Michigan Proposal 10-01, Constitutional Convention Question (2010)
-
Michigan Proposal 3, Vote Requirement for Constitutional Convention Questions and Delegate Elections Initiative (1960)
-
Michigan Proposal A, Constitutional Convention Question (1978)
-
Michigan Proposal A, Constitutional Convention Question (1994)
-
Michigan Proposal No. 1, Constitutional Convention Question (1942)
Minnesota
-
Minnesota Calling a Constitutional Convention, Amendment 3 (1948)
-
Minnesota Majority for Ratifying the Constitution, Amendment 1 (1954)
-
Minnesota Majority for Ratifying the Constitution, Amendment 2 (1952)
Missouri
-
Missouri Amendment 2, Constitutional Convention Delegate Elections Measure (1924)
-
Missouri Amendment 20, Constitutional Amendment Publication Requirement Measure (February 1924)
-
Missouri Amendment 9, Delegate Selection for Constitutional Convention Measure (1982)
-
Missouri Constitutional Convention (2002)
-
Missouri Constitutional Convention Question (1962)
-
Missouri Constitutional Convention Question (1982)
-
Missouri Constitutional Convention Question (2002)
-
Missouri Constitutional Convention Question (2022)
- Missouri Constitutional Convention Question (2042) - On the ballot
-
Missouri Proposition 1, Constitutional Convention Question (August 1921)
-
Missouri Proposition 15, Automatic Constitutional Convention Questions Initiative (1920)
Montana
-
Montana Constitutional Convention Question, CC-1 (1990)
-
Montana Constitutional Convention Question, CC-2 (2010)
-
Montana Constitutional Convention Question, R-67 (1970)
- Montana Constitutional Convention Question (2030) - On the ballot
Nebraska
-
Nebraska Amendment 2, Constitutional Convention Initiative (1918)
-
Nebraska Amendment 5, Provisions for Constitutional Conventions Amendment (1952)
Nevada
-
Nevada Constitutional Convention Question (1876)
-
Nevada State Question 2, U.S. Constitutional Convention on Prohibition Amendment (1926)
New Hampshire
-
New Hampshire Constitutional Convention, Question 1 (1992)
-
New Hampshire Constitutional Convention, Question 2 (1948)
-
New Hampshire Constitutional Convention (1896)
-
New Hampshire Constitutional Convention (1900)
-
New Hampshire Constitutional Convention (1916)
-
New Hampshire Constitutional Convention (1928)
-
New Hampshire Constitutional Convention (1946)
-
New Hampshire Constitutional Convention (1972)
-
New Hampshire Constitutional Convention (1982)
-
New Hampshire Constitutional Convention Question (1910)
-
New Hampshire Constitutional Convention Question (1954)
-
New Hampshire Constitutional Convention Question (2012)
-
New Hampshire Constitutional Convention Question (2022)
New Jersey
New Mexico
New York
-
New York Constitutional Convention, Amendment 1 (1821)
-
New York Constitutional Convention, Amendment 1 (1858)
-
New York Constitutional Convention, Amendment 1 (1866)
-
New York Constitutional Convention, Amendment 1 (1886)
-
New York Constitutional Convention, Amendment 1 (1914)
-
New York Constitutional Convention, Amendment 1 (1916)
-
New York Constitutional Convention, Amendment 1 (1936)
-
New York Constitutional Convention, Amendment 1 (1957)
-
New York Constitutional Convention, Amendment 1 (1965)
-
New York Constitutional Convention, Amendment 3 (1845)
-
New York Constitutional Convention Amendment, Amendment 1 (1938)
-
New York Judiciary Article, Amendment 5 (1938)
-
New York Low-rent Housing and Slum Clearance, Amendment 4 (1938)
-
New York Proposal 1, Constitutional Convention Question (2017)
-
New York Proposition 2, Constitutional Convention Question (1977)
-
New York Question 1, Constitutional Convention Question (1997)
-
New York Railroad Grade Crossings, Amendment 3 (1938)
-
New York Social Welfare, Amendment 8 (1938)
-
New York State Senator Terms, Amendment 2 (1938)
North Carolina
-
North Carolina Constitutional Convention Question (1867)
-
North Carolina Constitutional Convention Question (April 1835)
-
North Carolina Convention to Repeal 18th Amendment of U.S. Constitution Question (1933)
North Dakota
-
North Dakota Age of Adulthood, Alternate Proposition 3 (1972)
-
North Dakota Constitutional Convention Referendum, Amendment 2 (1970)
-
North Dakota United States Constitutional Convention, Measure 6 (1996)
-
North Dakota Veteran Bonds and Constitutional Convention Referendum, Amendment 6 (1978)
Ohio
-
Ohio Constitutional Convention Question (1910)
-
Ohio Constitutional Convention Question (1932)
-
Ohio Constitutional Convention Question (1952)
-
Ohio Constitutional Convention Question (1972)
-
Ohio Constitutional Convention Question (1992)
- Ohio Constitutional Convention Question (2032) - On the ballot
-
Ohio Issue 1, Constitutional Convention Question (2012)
Oklahoma
-
Oklahoma State Question 146, Constitutional Convention Measure (1926)
-
Oklahoma State Question 347, Constitutional Convention Measure (1950)
-
Oklahoma State Question 472, Call for Constitutional Convention Amendment (March 1970)
-
Oklahoma State Question 660, Remove Requirement for Constitutional Convention Question Every 20 Years Amendment (1994)
Oregon
Pennsylvania
-
Pennsylvania Question 1, Constitutional Convention Question (May 1967)
-
Pennsylvania Question 4, Constitutional Convention Measure (1963)
Rhode Island
-
Rhode Island Co-Equal Branches of Government Act, Question 6 (2000)
-
Rhode Island Constitutional Amendments and Revisions, Proposal 5 (1973)
- Rhode Island Constitutional Convention, Proposal 1 (1964)
-
Rhode Island Constitutional Convention, Proposal 1 (1984)
-
Rhode Island Constitutional Convention, Proposal 4 (1994)
-
Rhode Island Constitutional Convention, Question 3 (2014)
-
Rhode Island Question 1, Constitutional Convention Question (2024)
-
Rhode Island Question 2, Constitutional Convention (2004)
-
Rhode Island Question 5, Citizen-Initiated Ballot Measure Process and Nonpartisan Constitutional Convention Candidates Amendment (1986)
South Dakota
-
South Dakota Amendment 5, Constitutional Convention Members Measure (1916)
-
South Dakota Amendment E, Initiated Constitutional Amendment and Constitution Revision Measure (1972)
-
South Dakota Proposing for Constitutional Convention Measure (1914)
-
South Dakota Recommending a Constitution Convention (1924)
Tennessee
-
Tennessee Constitutional Convention: Administration of Government, Amendment 4 (1968)
-
Tennessee Constitutional Convention: Judiciary, Amendment 1 (1968)
-
Tennessee Constitutional Convention: Local Government, Amendment 2 (1968)
-
Tennessee Constitutional Convention: Tax Classifications, Amendment 3 (1968)
-
Tennessee Constitutional Convention: Voting Age, Amendment 5 (1968)
Texas
-
Texas Proposition 4, Constitution Revision Commission and Constitutional Convention Amendment (1972)
Utah
Vermont
Virgin Islands
Virginia
Washington
Wisconsin
See also
Footnotes