Proportional representation ballot measures

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Measures by state

As a state ballot measure topic, proportional representation includes measures regarding proportional representation, a system where a political party's share of seats in the legislature is based on the percentage of votes its candidates receive in an election. The topic is grouped within the election 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 proportional representation certified for this year and future elections:

There are no ballot measures related to this topic that have qualified for the ballot.

List of ballot measures

Click the tabs to view state ballot measures related to proportional representation, organized by year or state.

Year

State

1966

1. Nebraska Amendment 13a, Legislative Apportionment Amendment (1966)
2. Nebraska Amendment 13b, Legislative Representation in Reapportioned Districts Amendment (1966)

1938

1. New York Amendment 7, Prohibit Proportional Representation Measure (1938)

1914

1. Oregon Measure Nos. 348-349, Top Sixty Candidates Legislative Elections Initiative (1914)

1912

1. Oregon Measure Nos. 362-363, Unicameral Legislature and Proportional Representation Initiative (1912)

1910

1. Oregon Measure Nos. 360-361, Direct Democracy, Electoral System, and Legislature Changes Initiative (1910)

1908

1. Oregon Measure Nos. 328-329, Allow for Alternative Methods for Electing Officials Initiative (June 1908)

Nebraska

1. Nebraska Amendment 13a, Legislative Apportionment Amendment (1966)
2. Nebraska Amendment 13b, Legislative Representation in Reapportioned Districts Amendment (1966)

New York

1. New York Amendment 7, Prohibit Proportional Representation Measure (1938)

Oregon

1. Oregon Measure Nos. 328-329, Allow for Alternative Methods for Electing Officials Initiative (June 1908)
2. Oregon Measure Nos. 348-349, Top Sixty Candidates Legislative Elections Initiative (1914)
3. Oregon Measure Nos. 360-361, Direct Democracy, Electoral System, and Legislature Changes Initiative (1910)
4. Oregon Measure Nos. 362-363, Unicameral Legislature and Proportional Representation Initiative (1912)

See also

• List of ballot measures by topic