With party presidential primaries coalescing into a November 2024 rematch between Republican former President Donald Trump and Democrat President Joe Biden, United States Senate and House races are regaining a priority focus.
Democrats, including three independents who caucus with them, control the U.S. Senate, 51–49. With 23 Democrat incumbents among 34 Senate seats on ballots nationwide, sheer math favors the GOP gaining a Senate majority in 2024.