← Back to news
September 30, 2026

California Voters to Decide on Billionaire Tax Proposition 40

  • 48% of likely voters back Proposition 40, a one-time 5% tax on billionaires, while 38% oppose it and 14% are undecided.
  • The campaign has seen about $100 million spent on ads, making it one of the most expensive in the country this year.
  • 67% of Democrats support the proposal, but concerns remain about potential wealthy exodus, with 59% of respondents not worried about it.

Read the news this way every day.

Concur organizes political reporting into clear stories and shows the sources behind each one.

Free. No ads.