Colorado Passes Progressive Income Tax

Colorado voters approved a new tax system replacing the state flat tax with progressive brackets for higher earners. The measure lowers taxes on lower incomes while raising billions for education and healthcare.

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Election workers prepare ballots for tabulation at the Larimer County Elections Counting Facility on Election Day, Nov. 3, 2026, in Fort Collins, Colo.

Colorado voters approved a progressive tax overhaul that replaces the state's flat tax structure with six distinct brackets. The measure leads 51% to 49% in early returns across the United States.