Voters in California approved a measure to redraw the state's congressional map in a move that could help Democrats flip multiple GOP seats and regain control of the U.S. House next year.

The big picture: California's decision adds momentum to nationwide redistricting efforts as both parties race to reshape Congress ahead of the 2026 midterm elections. • Five states have already redrawn their congressional maps, and many others are considering doing so.

Here's the current state of U.S. redistricting efforts:

GOP map gains

Texas: Redistricting efforts passed in the Lone Star state in August could deliver one of the biggest gains for Republicans, with up to five Democratic-held seats at risk.

Missouri: The GOP-controlled Senate passed a new map in September aimed at unseating Rep. Ema

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