The two largest U.S. states have launched a congressional mid-decade redistricting war, and several other states are joining the fray ahead of the 2026 midterm elections, which Democrats hope will mark the end of Republicans’ control of the federal government.

Texas and California are at the center of a new nationwide redistricting battle that could shape control of the U.S. House. With Texas lawmakers having approved new maps, California Democrats are now advancing a competing plan that would create more Democratic representatives in the Golden State.

California has worked fast to advance a new congressional district map that would offset potential Republican gains in Texas as next year's midterms loom.