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California Proposition 40 2026: What a Yes or No Vote Means

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Home/Ballot measures/Proposition 40
PROP40
California · November 3, 2026 · upcoming

IMPOSES ONE-TIME TAX ON CERTAIN TAXPAYERS.

Imposes 5% tax on certain taxpayers with assets over $1 billion; revenue primarily for health care. Exempts revenues from constitutional requirements for school funding and spending limit.

What your vote means

Yes or No, in the state's words

YES

The state would collect a one-time tax from billionaires equal to 5 percent of their wealth.

NO

The state would not collect a one-time tax from billionaires equal to 5 percent of their wealth.

OFFICIAL FISCAL EFFECT

What the state says it may cost or change

Temporary revenue increase of tens of billions of dollars spread over several years from wealth tax on billionaires. Possible ongoing decrease of less than $1 billion per year in income tax revenue from billionaires.

CURRENT LAW

Read the full analysis

The Quick Reference Guide does not publish a separate current-law sentence for this proposition. Electionpedia does not infer one. The Legislative Analyst's analysis in the official proposition PDF explains the baseline law.

Open official analysis ↗
WHY IT IS ON THE BALLOT

Qualified through petition signatures

The official guide labels this measure as put on the ballot by Petition Signatures. This is a source classification, not an Electionpedia judgment.

RESULT

Not available before Election Day

This election is upcoming. Electionpedia will not show a blank or zero as a result.

Attributed positions

Who the official quick guide lists

SUPPORTERS

US Senator Bernie Sanders; SEIU United Healthcare Workers West

OPPONENTS

California Primary Care Association; California School Boards Association; California Taxpayers Association

Arguments are the opinions of their authors and have not been checked for accuracy by an official agency.