2024 Senate Elections (Pear's Future Elections)

The 2024 United States Senate election occurred with the re-election of President Joe Biden. Despite Biden's re-election, Republicans were able to gain 2 seats in the Senate, expanding their majority. Republicans defeated incumbent Jon Tester in Montana, while being able to hold onto all of their seats. Republicans also won an open seat in Arizona, where incumbent Senator Kyrsten Sinema lost the Democratic primary.

Arizona
Incumbent Senator Kyrsten Sinema ran for re-election to a second term. Sinema was challenged in the Democratic primary by US Representative Reuben Gallego, a progressive who criticized Sinema for her moderate views. In April, Gallego narrowly defeated Sinema in the democratic primary. Republican State Treasurer Kimberly Yee won the Republican primary.

Democratic Primary
Candidates Campaign The Campaign between Gallego and Sinema was incredibly competitive. Although early polls showed Gallego leading the incumbent, the primary season saw polls swing from Sinema to Gallego and back. The final results, on election day was too close to call, with Gallego leading Sinema by less than 0.1%. Following a recount, Gallego was declared the winner.
 * Kyrsten Sinema, Incumbent US Senator since 2019
 * Reuben Gallego, US Representative from Arizona's 3rd Congressional District

Republican Primary
Candidates
 * Kimberly Yee, Arizona State Treasurer
 * Blake Masters, Businessman and Nominee for the Senate in 2022
 * Keli Ward, Chair of the Arizona Republican Party and candidate for Senate in 2016 and 2018