A proposal for a one-time 5% tax on California billionaires has secured over 1.5 million signatures to appear on the November ballot. The measure aims to address federal funding cuts to health services and has sparked significant political controversy, especially in Silicon Valley.
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Proponents of a proposal to levy a one-time tax on California billionaires say they’ve gathered enough signatures to place the measure on the ballot in November.
The campaign says it has collected more than 1.5m signatures, according to a statement.
The proposal has ignited a political uproar in Silicon Valley, with tech titans having threatened to leave the state and the governor, Gavin Newsom, opposing the proposal.
The measure imposes a one-time 5% tax on the assets of billionaires – including stocks, art, businesses, collectibles and intellectual property – to backfill federal funding cuts to health services for lower-income people that were signed by Donald Trump last year. The tax is sponsored by the Service Employees International Union-United Healthcare Workers West, and would apply retroactively to billionaires living in the state as of 1 January.
California has more billionaires than any other state – a few hundred, by some estimates. Nearly half the state’s personal income tax revenue, a financial backbone in its nearly $350bn budget, comes from the top 1% of earners.
More than 870,000 signatures were required for the measure to qualify for the ballot.
Tech billionaires have battled the proposal with large donations to the campaign against it, include current and former chief executives from Google, DoorDash, Reddit, LinkedIn and Facebook.
Alphabet president Sergey Brin has donated at least $45m to a Super Pac dedicated to blocking the tax. Alphabet’s former CEO Eric Schmidt donated more than $3m.
The proposal has created a deep rift between Newsom and prominent members of his party’s progressive wing, including the Bernie Sanders, the Vermont senator who endorsed the measure and said it should be a template for other states.
“Our nation will not thrive when so few have so much while so many have so little,” Sanders said on X.
Another supporter, and a potential 2028 Newsom rival, is Ro Khanna, the Democratic representative who mocked billionaires for threatening to flee over a tax intended to provide health care for lower-income people.
Newsom has long opposed state-level wealth taxes, believing such levies would be disadvantageous for the world’s fourth-largest economy. At a time when California is strapped for cash and he is considering a 2028 presidential run, he is trying to block the proposal before it reaches the ballot.
The proposal seeks to impose a one-time 5% tax on the assets of billionaires in California to fund health services affected by federal cuts.
Proponents have gathered over 1.5 million signatures to qualify the measure for the ballot.
The tax could lead to significant revenue for health services but has prompted threats from tech leaders to leave the state.
California Governor Gavin Newsom has publicly opposed the proposal, along with several tech titans in Silicon Valley.
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Analysts say an exodus of billionaires could mean a loss of hundreds of millions of tax dollars.
“It’s one of the reasons why Newsom’s path to the Democratic nomination is not going to be an easy one,” Jack Pitney, a political scientist at Claremont McKenna College, said. “He’s already facing a [budget] deficit the size of which is uncertain … and in the years to come, a billionaires tax that could backfire badly.”
The measure’s lead proponent, the Service Employees International Union, sees the threat of an exodus as exaggerated.
The tax is a “workable response to a crisis created by Congress,” Suzanne Jimenez, chief of staff of SEIU-United Healthcare Workers West, said in a statement. She added that it would “keep emergency rooms open, hospitals staffed and health care systems functioning”.
The California Business Roundtable, meanwhile, is leading an effort to defeat the measure, saying it would “undermine our economy, decimate the state budget, drive investment out of the state and ultimately make everyday life more expensive for working families”.