- Ranked Choice Voting / Instant Runoff
- Ranked Choice Voting in US Elections
Ranked Choice Voting in US Elections
State and local governments
- Basalt, Colorado: Adopted in 2002 and will be used when 3 or more candidates run for Mayor
Berkeley, California: Adopted in 2004 and first used 2010 (for mayor, city council and other city offices)
- Benton County, Oregon: Adopted by voters in 2016 and will be used in 2018 for countywide elections.
Cambridge, Massachusetts: In use since the 1940s in multi-winner RCV form for the nine seat city council and six seat school board
Minneapolis, Minnesota: Adopted in 2006 and first used in 2009 in elections for mayor, city council and several other city offices, including certain multi-seat elections
Oakland, California: Adopted in 2006 and first used in 2010 (for a total of 18 city offices, including mayor and city council)
Portland, Maine: Adopted in 2010 and first used in 2011 (for electing mayor only)
- Maine: Adopted in 2016 and will be first used in 2018 for all state and federal primary elections.
San Francisco, California: Adopted in 2002, first used in 2004 and used every November election since then (for mayor, city attorney, Board of Supervisors and five additional citywide offices)
San Leandro, California: Adopted as option in 2000 charter amendment and first used in 2010 and every two years since (for mayor and city council)
Santa Fe, New Mexico: Adopted in 2008 and will be first used in March, 2018 (for mayor, city council, and municipal judge).
St. Paul, Minnesota: Adopted in 2009, first used in 2011 and to be used every two years (mayor and city council)
Takoma Park, Maryland: Adopted in 2006 and first used in 2007, with elections every two years and with some special elections in between (for mayor and city council)
Telluride, Colorado: Adopted in 2008 and first used in 2011 (for mayoral elections)
For overseas voters in runoffs
- Arkansas: Adopted in 2005, first used 2006, and was extended to all local runoffs in 2007
- Alabama: By agreement with a federal court, used in special election for U.S. House, 2013. Became law for all federal runoffs in 2015
- Louisiana: Adopted and used since the 1990s for state and federal general election runoffs; also includes out of state military voters.
- Mississippi: Adopted in the mid-2000s for use in federal runoffs.
- South Carolina: Adopted and first used in 2006 for state and federal runoffs
- Springfield, Illinois: Adopted in 2007 and first used in 2011
Advisory, option or contingent measures
- Memphis, TN: adopted by voters in 2008, awaiting equipment
- Davis, California: adopted in 2006 as an advisory referendum for fair representation form of RCV awaiting state law change.
- Ferndale, Michigan: adopted by voters in 2004, awaiting equipment
- Santa Clara County, California: voters approved option in 1998
- Sarasota, Florida: adopted by voters in 2007, awaiting equipment
- Vancouver, Washington: voters approved option in 1999