California's 5% Billionaire Wealth Tax Loses Backing as Left Seeks Stable Revenue
Updated
Updated · Business Insider · Jun 18
California's 5% Billionaire Wealth Tax Loses Backing as Left Seeks Stable Revenue
3 articles · Updated · Business Insider · Jun 18
Summary
California's proposed one-time 5% tax on billionaires' wealth is losing momentum before the November ballot as left-leaning groups move to block it.
The opposition hardened after the California Teachers Association said the measure would not deliver sustainable, long-lasting funding, with critics favoring steadier revenue sources instead.
54% of likely voters backed the tax in a May 2026 PPIC survey, but opponents argue the levy is legally fragile because residency rules, valuation disputes and constitutional challenges could tie it up.
Gavin Newsom has also opposed the wealth tax while supporting higher taxes on top earners, and anti-tax groups on the left are now eyeing a permanent increase on high-income Californians as an alternative.
If California's billionaire tax risks losing more revenue than it gains, what is the state's financial backup plan?
How will a one-time wealth tax affect California's ability to attract future tech startups and venture capital?
California’s 2026 Billionaire Wealth Tax Battle: Political Showdown, Economic Fallout, and the Future of State Tax Policy
Overview
California’s proposed billionaire wealth tax has sparked a major political battle, with Governor Gavin Newsom strongly opposing the measure to avoid being seen as the governor who enacted such a tax, especially as he considers a presidential run. As no compromise has been reached, Newsom may have to defend the tax, putting California’s economic model in the national spotlight. The debate has intensified with a new opposition campaign that, for the first time, is not funded by the wealthy individuals directly affected. This signals a broader and more complex resistance, highlighting the high stakes and shifting alliances in California’s fiscal and political landscape.