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Louisiana will adopt party primaries in 2026, ending the open “jungle” primary system.

Taxpayers could face up to $47 million in costs over five years.

Costs driven by runoff elections , ballot printing, staffing, and voter education efforts.

Unaffiliated voters may still participate but are limited to a single party primary.

Louisiana’s move to a party-primary system, which limits voters to a single party’s primary but still allows unaffiliated voters to participate, is expected to cost up to $47 million over five years.

Beginning in 2026, the state will abandon its open “jungle” primary system for certain offices and adopt traditional party primaries used in most other states. The change applies to elections for the U.S. Senate, U.S. House, the Louisiana Supreme

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