Introduction

On June 26, 2026, California Governor Gavin Newsom announced a bold initiative to introduce a national tax on the ultra‑wealthy. In an op‑ed titled “It’s time for a national billionaire’s tax and a new social compact,” he framed the proposal as an essential economic reset for the United States.

The Proposal

Newsom’s plan calls for a “true minimum tax” on anyone with a net worth of $100 million or more, ensuring they pay at least the same rate as the average worker. The legislation would also create a national public‑equity fund that gives all Americans a stake in the profits generated by artificial‑intelligence companies. In addition, the proposal seeks to end the practice of borrowing against appreciated assets, reform inheritance rules, close offshore loopholes and return corporate tax rates to pre‑2017 levels.

Why a National Approach

The governor emphasized that wealth is mobile and readily shifts to jurisdictions with the lowest tax burdens. By moving the conversation to the federal level, he argues that the broken system that enables extreme concentration of wealth can be addressed more effectively. The funds raised would be directed toward universal child care, free higher education, career training, expanded unemployment insurance, and severance support for workers displaced by AI.

Political Context

Newsom introduced the plan shortly after California voters approved a state‑level billionaire tax measure on the November ballot, a measure he publicly opposed because its revenue would be earmarked mainly for health‑care offsets rather than broader public services. While positioning himself as a champion of taxing the rich, he also signaled that the state measure could hurt California’s competitiveness. The national proposal aligns with a broader Democratic push for economic populism and may signal Newsom’s preparation for a 2028 presidential campaign.

Conclusion

Governor Newsom’s national billionaire tax aims to curb extreme wealth inequality, fund critical public services, and prepare the nation for an AI‑driven economy. By targeting the wealthiest Americans and proposing a shared stake in future technological gains, the plan reflects a growing consensus that the country needs a more equitable fiscal framework to sustain its democratic and economic health.