Despite the Democratic wins in Arizona in 2020 and 2022, Republicans have been widening their voter registration edge over Democrats over the past four years. According to data from the Arizona Secretary of State earlier this year, between 2020 and 2024, Republicans increased their lead from approximately three percent to 5.77 percent. In Maricopa County, Republicans increased their lead even more, from four percent to seven percent.
The change has occurred primarily with Democratic voter registrations; Republican voter registration has remained steady at 35 percent of voters. Statewide, Republicans constitute 35.07 percent of voters, followed by independents at 34.10 percent, then Democrats with 29.30 percent. While Republicans outnumber independents at the state level by almost 40,000 voters, independents outnumber Republicans in Maricopa County by 2,631 voters.
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