California's billionaire tax would generate quick revenue, but Norway's example shows the longer-term economic impact of targeting the wealthy is unclear.

Silicon Valley billionaires oppose the California wealth tax ahead of the 2026 vote. Tax passing at 29.5% YES.

California billionaire tax supporters lobby in Washington ahead of the 2026 vote. Tax passage at 30.5% YES.

California's billionaire tax would generate quick revenue, but Norway's example shows the longer-term economic impact of targeting the wealthy is unclear.

California's billionaire tax proposal will be on the November 2026 ballot. Tax passing at 31% YES.