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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.
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3 Sources
- California poll: Voters back a billionaire tax, but the proposal falls short of majority supportSep 30, 2026 at 10:00 AM · NBC
- A California showdown with national implications: From the Politics DeskSep 30, 2026 at 9:32 PM · NBC
- California voters to decide on controversial one-time tax on billionairesOct 3, 2026 at 11:47 AM · NPR