Arizona - Open Primaries
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Primary Elections State By State




In 2015-16, Open Primaries partnered with former Phoenix Mayor Paul Johnson on a campaign to place a nonpartisan primaries referendum on the 2016 ballot. Although the campaign ultimately failed to to get a measure on the ballot, it did make strides in assembling a strong coalition of independent activists, elected officials, business leaders and Latino activists from across the political spectrum.


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  • Democratic congressional and state primaries: mixed 
  • Republican congressional and state primaries: mixed
  • Democratic Presidential primary: closed
  • Republican Presidential primary: closed


Primary Type Definitions



  • Optional party affiliation. Voters are given the option to affiliate or not to affiliate with a political party on the registration form.
  • 36% of registered voters in Arizona are unaffiliated or independent.


Details of state and local primary elections:

  • Unaffiliated voters may choose which party's ballot they will vote on.
  • Party members may only vote on their party's ballot.
  • Voter registration closes 29 days before the primary election.


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published this page in Primaries by State 2015-06-09 15:51:07 -0400