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Proposition 40: How California could become the first US state to tax Billionaires' wealth

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Cite

Austin, S. (2026, November 3). Proposition 40: How California could become the first US state to tax Billionaires' wealth. The Independent. https://www.independent.co.uk/news/world/americas/us-politics/california-prop-40-tax-vote-bernie-sanders-b3078419.html

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The Independent · collected 2026-11-03 · by Sophie Austin

Quick Summary

California voters are deciding on Proposition 40, which would impose a one-time 5% tax on individuals with net worth over $1 billion to fund healthcare after federal cuts. If approved, California would be the first U.S. state to implement such a wealth tax. The measure faces strong opposition from tech billionaires and their political action committees who have spent significantly more than supporters in this contentious campaign. Traditional Democratic allies like Planned Parenthood are also against it due to concerns over revenue allocation and potential mass exodus of wealthy residents, impacting California’s budget that heavily relies on income taxes from the state's richest individuals.
Written by AI on 2026-11-03, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

Californians are voting on Proposition 40, which proposes to levy a one-time 5% tax on the fortunes of individuals with more than $1 billion in net worth. If passed, it would raise funds for California’s Medicaid program, sending nine-tenths of the revenue there. The measure has divided liberal leaders: Vermont Senator Bernie Sanders supports it as a step toward wealth equality, while Democratic Governor Gavin Newsom warns it could cause wealthy individuals to leave California, taking potential future tax revenues with them. As of now, only about 200 individuals in California would be affected by this proposal. Additionally, the tax may impact sports team owners and other high-net-worth residents, including tech moguls like Elon Musk who recently became a trillionaire.

Written for “California Billionaire Tax Proposition” on 2026-11-04, grounded in this article and the 6 other(s) covering the same event.

Story

📰 California Billionaire Tax Proposition
Economy/Business · 7 article(s) covering the same event. Compare every outlet's account →

Compared with similar articles

This article reads leans left and hedges 0% of its claims. Each row says how that neighbour differs.
The Hindu
⚖️ Leans left Hedges 1 of 29 claims Outlet record 77/100
The Independent
⚖️ Leans left Hedges 0 of 28 claims Outlet record 59/100
TIME
⚖️ Leans strongly left further left than this Hedges 5 of 61 claims Outlet record 59/100
Washington Examiner
⚖️ Leans right further right than this Hedges 0 of 3 claims Outlet record 69/100
“The articles discuss different policies proposed by Governor Newsom, one regarding a tax on billionaires' net worth and another proposing tax breaks for Hollywood. They are not describing the same specific incident.”
New York Post
⚖️ Leans left Hedges 3 of 32 claims Outlet record 66/100
“The articles describe different propositions: Prop. 3 deals with making permanent a tax on top earners, while Prop. 40 proposes taxing billionaires' net worth.”
New York Post
⚖️ Leans right further right than this Hedges 8 of 56 claims Outlet record 66/100
“Article A discusses a billionaire fleeing California due to the proposed wealth tax and economists' warnings about its impact, while Article B is about Californians voting on Proposition 40 to impose a one-time tax on billionaires' net worth.”
The Guardian
⚖️ Leans strongly left further left than this Hedges 3 of 56 claims Outlet record 66/100
“While both articles discuss the proposal to tax billionaires' wealth in California, Article A focuses on the political divide within Democratic leadership regarding the ballot measure, whereas Article B describes the specifics of Proposition 40 and its potential impact if passed.”
New York Post
Hedges 6 of 22 claims Outlet record 66/100
“The articles discuss Proposition 40 but describe different aspects: Article A focuses on economists opposing it, while Article B covers the ballot measure and voting process.”
The Guardian
⚖️ Leans strongly left further left than this Hedges 2 of 28 claims Outlet record 66/100
“While both articles discuss Proposition 40 and its implications for California billionaires, they are written on different dates and do not describe a single specific occurrence or vote taking place at the same time.”
New York Post
⚖️ Leans left Hedges 3 of 31 claims Outlet record 66/100
“While both articles discuss Proposition 40, Article A covers multiple measures and voter opinions, while Article B focuses specifically on the details of Proposition 40 and its broader context.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
28
sentences that state something as happening or true
Uncertain
0%
0 of 28 hedged ("reportedly", "may", "according to")
Leaning
Leans left
of the writing, not the subject · beta estimate
Publisher signals
59/100
The Independent's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
7
Economy/Business
Same framing elsewhere
2
articles that frame the event the way this one does
Analyzed 2026-11-03 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

The Independent · 3647 article(s) · 10 correction(s) detected
Running correction rate · 10 correction(s)

Who wrote this

Sophie Austin
5 article(s) here · 1 carrying a prediction
🔮 The proposal, Proposition 40, would impose a one-time 5 per cent tax on Californians with net worths exceeding $1 billion (about £745 million).
🔮 The proposal, Proposition 40, would impose a one-time 5% tax on Californians with net worths exceeding $1 billion.
🔮 The winner will succeed Democratic Gov. Gavin Newsom, who can’t seek a third term but is considering a White House run.
🔮 If passed, the measure would levy a one-time 5% tax on the wealth of Californians whose net worth exceeds $1 billion.
🔮 SACRAMENTO, Calif. (AP) — California Gov. Gavin Newsom vetoed legislation Wednesday that would have penalized Californians for using smart glasses to record people without their permission in changing rooms, doctor’s offices and other spaces people generally consider private.
Also by Sophie Austin
Nothing else under this byline is closely related to this article, so these are simply their most recent.

Topics

California Californians Democratic Proposition 40 Vermont

Subjects

California GPE · 4× Californians NORP · 3× Democratic NORP · 2× Bernie Sanders PERSON · 1× Gavin Newsom PERSON · 1× Google ORG · 1× Larry Page PERSON · 1× Mark Zuckerberg PERSON · 1× Sergey Brin PERSON · 1× Vermont GPE · 1×

Narrative

Vermont Sen. Bernie Sanders has framed the proposal as a monumental step toward reining in deep wealth inequality by ensuring the ultra-rich pay their fair share. But Democratic Gov. Gavin Newsom warns it would prompt the state's wealthiest to leave California and take their tax money with them.
framing: assertive · carried by 2 article(s) · first seen 2026-11-03
🔮 The proposal, Proposition 40, would impose a one-time 5 per cent tax on Californians with net worths exceeding $1 billion (about £745 million).

Claims (28 extracted, 0 hedged)

Californians vote Tuesday on whether to tax billionaires' net worth, a ballot measure that has split liberal leaders and drawn enormous spending from the ultra-rich. asserted
that → vote → rich
The proposal, Proposition 40, would impose a one-time 5 per cent tax on Californians with net worths exceeding $1 billion (about £745 million). asserted
proposal → impose → billion
Most of the revenue would go towards replacing federal funding cuts to healthcare. asserted
Most → go → healthcare
If it passes, California would become the first state in the nation to tax billionaires' net worth. asserted
California → pass → worth
The fight over the measure has become one of the most expensive ballot fights in state history, as the ultra-rich scramble to decide whether to pay the tax or flee. asserted
rich → become → tax
Vermont Sen. Bernie Sanders has framed the proposal as a monumental step toward reining in deep wealth inequality by ensuring the ultra-rich pay their fair share. But Democratic Gov. Gavin Newsom warns it would prompt the state's wealthiest to leave California and take their tax money with them. asserted
it → frame → them
The campaign against the measure has raised roughly 10 times as much as the campaign for it. asserted
campaign → raise → it
Much of that money has come from tech moguls and venture capitalists, who have poured millions into a political action committee fighting the measure. asserted
who → come → measure
Billionaires are already bracing for its approval. asserted
Billionaires → brace → approval
Some of them, including Google co-founders Sergey Brin and Larry Page, started cutting ties with the state after the measure was unveiled. asserted
measure → include → state
Mark Zuckerberg said he would stay in California for eight years and made a deal with Meta that would help him pay the tax without losing his ownership stake in the company. asserted
him → say → company
The proposed tax is backed by the powerful labor union SEIU United Healthcare Workers West, whose supporters say it is needed to help the state backfill the federal funding cuts. asserted
state → propose → cuts
The union estimates the state will lose $100 billion (about £75 billion) in federal healthcare funding over five years. asserted
state → estimate → years
“It's time to collect those taxes so we can ensure that our healthcare system is still safe,” said Lorena Gonzalez, president of the California Federation of Labor Unions. asserted
Gonzalez → collect → Unions
But some traditional Democratic allies, including Planned Parenthood and the California Teachers Association, are part of a coalition opposing it. asserted
allies → include → it
They are concerned about how the tax revenue would be divvied up and about the potential impact on the state's budget if there's a mass exodus of wealthy taxpayers. asserted
revenue → concern → taxpayers
California's budget relies heavily on the income tax of the state's richest residents. asserted
budget → rely → residents
Californians are divided on the measure. asserted
Californians → divide → measure
In a mid-October poll by the Public Policy Institute of California, likely voters were slightly more likely to oppose the measure than support it, with 52 per cent saying they would vote “no” and 46 per cent saying they would vote “yes.” asserted
they → oppose → cent
That's an apparent shift from a PPIC survey conducted in early September, when 52 per cent of likely voters said they'd vote for the tax and 46 per cent said they'd vote against it. asserted
they → conduct → it
Robert Swonger, an auto glass technician living near Sacramento who's politically independent, said he planned to vote against it. asserted
he → live → it
“Obviously, I would like billionaires not to have as much money as they do,” he said. asserted
he → like → money
“But I don't believe taxing them out of existence is going to work.” asserted
taxing → believe → existence
Anthony Serrano, a Democrat living in Folsom who works for Kaiser Permanente, one of the nation's largest not-for-profit healthcare plans, said he was leaning toward voting for the tax because he tends to support “anything that is a positive for healthcare.” asserted
that → live → healthcare
Even if the measure wins approval from a majority of voters, it would be blocked from taking effect if at least one of two measures designed to nullify it, which are also on this year's ballot, passes and receives more “yes” votes. asserted
which → win → votes
The proposals, which are backed by the political action committee Building a Better California, include a ban on new taxes on financial assets and other personal property, a category that excludes real estate. asserted
that → back → estate
The committee has raised more than $333 million (about £248 million), about 30 per cent of it from Brin. asserted
committee → raise → Brin
Progressive politicians, including Sanders and Massachusetts Sen. Elizabeth Warren, have long supported a federal wealth tax. asserted
politicians → include → tax
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