Oct 13, 2026 · 18 min
California’s billionaire tax exposes Democrats’ wealth divide
The Reporter Nicholas Lemann on California’s Battle to Pass a Billionaire Tax
The proposed measure tests whether broad support for taxing extreme wealth can survive opposition from business, labor, party leaders, and tax experts.
- 1Proposition 40 would impose a one-time 5% tax on wealth above $1 billion to help California’s health-care system absorb federal cuts.
- 2Billionaire spending, divided labor, Democratic resistance, and design concerns have isolated a measure popular in principle.
- 3Nicholas Lemann argues the initiative may fail while widening wealth concentration makes the case for taxing fortunes harder to ignore.
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Lemann distinguishes Proposition 40’s likely defeat from the growing urgency of confronting extreme wealth concentration.
The brief
Nicholas Lemann traces California’s proposed Proposition 40 to the modern wealth-tax movement, shaped by Thomas Piketty, Gabriel Zucman, Emmanuel Saez, and campaign-era policy debates.
The one-time 5% tax on fortunes above $1 billion would support California’s health-care system amid federal cuts, but billionaires and business interests warn wealthy residents could leave.
Opposition extends beyond billionaires: labor unions are divided, Governor Gavin Newsom and Democratic leaders resist the measure, and liberal tax experts question whether its design can work.
The episode’s central political paradox is that Democrats broadly favor taxing billionaires, yet Proposition 40 remains isolated, heavily opposed, and weak in prediction markets.
Lemann expects billionaires may defeat the initiative, but says extreme wealth concentration makes the broader case for a wealth tax increasingly urgent.
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