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U.S. Senate Races 2020

The competitiveness of U.S. Senate races in the 2020 election cycle.

Fact-Checks

2 results
Jan 31, 2026
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Historical win rates in battleground states for Senate elections?

("swing") states for Senate races have shrunk and shifted over time, producing fewer truly competitive contests and more long partisan winning streaks in individual states— 27 states currently in reco...

Feb 6, 2026

How many Republican senators have switched to the Democratic Party since the 2020 election?

U.S. senators have switched their party affiliation to the since the ; authoritative lists of party changes and contemporary reporting show no instance of a sitting Republican senator crossing to the ...