California will ask voters this fall to decide whether to redraw this state’s congressional lines after its Democratic-controlled Legislature formally approved a sweeping redistricting plan on Thursday, a response to GOP-led efforts in Texas.

The plan, if voters give it the green light, could give Democrats five additional House seats, potentially nullifying the gains Republicans hope to get through Texas redistricting.

Here are five things to know about the Golden State's redistricting plan:

What does the ballot measure say?

The measure approved by the state legislature is set to go on a November special election ballot as Proposition 50, a proposed constitutional amendment named for the 50 states.

Prop 50 would, if approved by California voters in November, allow for the adoption of new congressional maps that were laid out in a separate bill passed by the legislature, aiming to create five Democratic pickup opportunities.

The current districts, drawn by the citizens redistricting commission after the last census, would be bypassed until the commission draws new boundary lines in 2031.

The text of the amendment proposal cites President Trump’s call for Republican-led states “to undertake an unprecedented mid-decade redistricting of congressional seats to rig the 2026 United States midterm elections before voting begins,” pointing out efforts in Texas, Florida, Ohio and elsewhere.

“It is the intent of the people that California's temporary maps be designed to neutralize the partisan gerrymandering being threatened by Republican-led states without eroding fair representation for all communities,” the resolution section reads.

How much support is there for redistricting?

Democratic leaders in and out of California have rallied support behind the redistricting effort.

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