Nebraska is currently the only U.S. state with a unicameral legislature. Nebraska's state legislature is also unique in the sense that it is the only state legislature that is entirely nonpartisan.
Michigan unicameral petition drive
An unsuccessful effort to collect petition signatures was launched in January 2006 by Unicameral Michigan, a ballot question committee registered with the State of Michigan, to provide for an amendment to the state's constitution to change from a bicameral to a unicameral legislature. It failed to qualify for the November 2006 ballot.
- The Nebraska Legislature, "On Unicameralism"
- The Nebraska Legislature, "History of the Nebraska Unicameral"
- Twombly, Jim (2012). The United States of Nebraska:Are Bicameral State Legislatures Necessary and Could Unicameralism Serve Other States Well.
- Minnesota House of Representatives Research Department, "Unicameral or Bicameral State Legislatures: The Policy Debate"