California Gov. Gavin Newsom is trying to separate two debates that often sound similar: whether the ultra-wealthy should pay more in taxes, and whether that effort should happen at the state level or through national policy.
Newsom on Friday called for a federal tax approach aimed at America’s richest households, including a minimum tax on people with net worths above $100 million. At the same time, he is opposing a California ballot measure that would impose a one-time 5% tax on residents worth more than $1 billion.
The position puts Newsom in a politically sensitive spot. He is rejecting a billionaire tax proposal in his own state while arguing that the larger problem of extreme wealth should be addressed through federal law. His argument is that a California-only tax could be easy for billionaires to avoid by moving assets, changing residency or shifting financial planning to lower-tax states.
The California proposal, known as the California Billionaire Tax Act, qualified for the ballot after supporters gathered more than 1.55 million signatures. Backed by a healthcare workers’ union, the measure would use revenue for healthcare, education and food assistance programs. Supporters argue that billionaires have benefited from an economy that increasingly rewards stock ownership and asset growth, while public programs face rising costs.
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Newsom says he understands why some voters are attracted to the idea, especially as many families struggle with housing, healthcare and everyday expenses. But he argues that the state-level measure could make California’s budget more unstable rather than more secure. California already relies heavily on high-income earners, and critics of the proposal warn that depending even more on a small group of wealthy residents could create problems if markets decline or those taxpayers leave.
Several labor, healthcare and public-sector groups have also pushed back against the measure, warning that it could affect funding for schools, clinics, infrastructure and other services if revenue becomes more volatile. For ordinary Californians, the concern is whether a tax designed to fund public services could instead create new uncertainty in the state budget.
Newsom’s counterproposal is a national plan. He wants a minimum tax on very large fortunes, new rules to stop wealthy individuals from borrowing against stock portfolios to fund luxury lifestyles without selling assets, changes to inheritance rules, and higher corporate tax rates closer to levels before the 2017 federal tax cuts.
He also connected the issue to artificial intelligence, arguing that AI could reshape the economy and concentrate more wealth among a small number of companies, founders and investors. Newsom suggested that the federal government should create a national public equity fund that gives Americans a stake in the growth of major AI companies.
The idea is that if AI becomes one of the most powerful economic forces of the next decade, the benefits should not go only to private shareholders. Revenue or returns from such a system could be used for worker retraining, childcare, healthcare, education and other programs aimed at helping people adjust to economic change.
That argument gives Newsom’s proposal a broader purpose than simply taxing billionaires. It frames the debate around how the country should prepare for an economy where technology may replace some jobs, increase productivity and create enormous profits for a relatively small group of companies. For workers, the question is whether government policy can help them share in those gains or protect them from disruption.
Politically, Newsom’s move also comes as he continues to build a national profile. He has become one of Donald Trump’s most visible Democratic critics and is widely viewed as a possible 2028 presidential contender. By opposing California’s state-level measure while supporting a federal wealth-tax agenda, Newsom appears to be trying to appeal to voters concerned about inequality without backing a policy he believes could damage his state’s economy.
The proposal also reflects a wider shift inside the Democratic Party. Wealth taxes were once more closely associated with progressive candidates, but the idea has moved further into mainstream political debate as concerns grow over inequality, corporate power and the influence of billionaires in politics.
Still, any national wealth-tax plan would face major obstacles. Lawmakers would need to decide how assets are valued, how to prevent avoidance, how to treat privately held companies, and how to design a system that can survive political and legal challenges. Business groups and Republican lawmakers would almost certainly oppose large parts of the plan, arguing that it could discourage investment and economic growth.
For now, Newsom’s message is clear: he wants higher taxes on extreme wealth, but not through a California-only ballot measure. His argument is that billionaires operate nationally and globally, so the tax system should respond at the federal level.
Why It Matters
The debate over billionaire taxes is about more than the richest Americans. It affects how governments pay for healthcare, schools, childcare, job retraining and other public services. It also raises a major question for the AI era: whether ordinary workers and taxpayers should share in the wealth created by new technology, or whether most of the gains will flow to investors and executives.
What Comes Next
California voters will decide whether to approve the state billionaire tax measure in November. Newsom is expected to continue promoting his national tax framework as part of a broader economic message focused on inequality, affordability and AI-driven disruption. The issue could become a major policy debate as Democrats prepare for future national elections.
Newsom’s comments also circulated widely on social media, where users highlighted his call for a national billionaire tax and broader changes to the economy.
GAVIN NEWSOM CALLS FOR A NATIONAL BILLIONAIRES TAX AND A “NEW SOCIAL CONTRACT”
He says it’s time to democratize the American economy to “save our democracy.”
His plans include taxing people who take loans out against their assets. pic.twitter.com/0PRNRQWBAH
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