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California Billionaire Tax Support Slips Below 50% in New Poll

The 2,418-person poll found 45% support and 43% opposition, with heavy spending and billionaire-backed attacks shaping the campaign.

  • A new Berkeley Citrin Center-POLITICO poll found 45% of likely voters support Proposition 40, a one-time 5% tax on Californians with assets over $1 billion, while 43% oppose it and 12% remain undecided.
  • Opponents launched an advertising blitz last week, funded by more than $100 million from Google co-founder Sergey Brin, while proponents rely heavily on labor union SEIU-UHW support.
  • A separate September Public Policy Institute of California survey reported 52% support, showing how framing affects opinion. Yet 83% of voters aware of the measure oppose it by a 57-38 margin among those most familiar.
  • Gov. Gavin Newsom opposes the proposal, arguing he aims to protect California's economy rather than billionaires. Pollsters suggest his stance could become a political liability if he pursues a 2028 Democratic presidential nomination.
  • Six Nobel Prize-winning economists, including MIT faculty, have endorsed the measure, arguing that taxing extreme wealth is essential to shoring up public services and addressing growing inequality in the United States.
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8 Articles

Lean Left

Acemoglu, Krugman and Stiglitz, among others, sign a letter in which they defend the one rate of 5% to those who possess a wealth of more than 1 billion dollars, which will be put to vote on 3 November

·Madrid, Spain
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Lean Left

California billionaire tax loses ground in new poll

·Arlington County, United States
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The Hill broke the news in Washington, United States on Tuesday, September 22, 2026.
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