- If Republicans hang on to the hotly contested seats of retiring GOP senators in North Carolina, Ohio, Pennsylvania, and Wisconsin, and flip a handful of seats currently held by Democrats, including Arizona and New Hampshire, they could hit 54, Shapiro said.
- In 2024, the electoral map lines up much more favorably for Republicans, with 21 Democrats up for re-election and just 10 Republicans.
- Two Independents, Vermont Sen. Bernie Sanders and Sen. Angus King, of Maine, both caucus with Democrats and are also up for re-election in 2024.
