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34[a] of the 100 seats in the United States Senate 51 seats needed for a majority | |||||||||||||||||||||||||||||||||||||||||
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 Map of the incumbents: Democratic incumbent Republican incumbent No election Incumbent TBD | |||||||||||||||||||||||||||||||||||||||||
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The 2026 United States Senate elections are scheduled to be held on November 3, 2026, with 33 of the 100 seats in the Senate being contested in regular elections, the winners of which will serve six-year terms in the United States Congress from January 3, 2027, to January 3, 2033. Senators are divided into three groups, or classes, whose terms are staggered so that a different class is elected every two years. Class 2 senators were last elected in 2020 and will be up for election in this cycle.
A special election in Ohio will be held to fill the remaining two years of JD Vance's term following his election to the vice presidency. In Florida, one may also be held to fill the remaining two years of Marco Rubio's term should his nomination as the United States Secretary of State be confirmed. With the election of John Thune as leader of the Republican Conference, this will be the first election year since 2006 in which the Republicans will not be led by Mitch McConnell.
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