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Denver’s streets became the frontline of a major fiscal battle today, March 17, 2026, as hundreds of activists gathered for a high-energy rally at the State Capitol. The demand? A return to a Colorado Progressive Tax. Currently operating on a flat-tax model, the state is facing intense pressure from grassroots organizations to reinstate a tiered system—one where higher earners contribute a larger percentage to address growing wealth inequality and fund essential public services.
The rally marks the official launch of a massive petition drive aimed at putting a graduated tax measure on the upcoming ballot. Proponents argue that the current flat tax disproportionately burdens middle- and lower-income families while allowing the state’s wealthiest residents to pay a smaller share of their total income. If successful, the shift to a Colorado Progressive Tax could generate billions in annual revenue, earmarked for schools, infrastructure, and climate resilience projects across the state.
For multinational corporations (MNCs) and high-net-worth individuals, the proposal is a major “watch item” for 2026. Critics of the measure warn that abandoning the flat tax for a Colorado Progressive Tax could harm the state’s competitive business climate and lead to capital flight. However, with activists already collecting thousands of signatures, the momentum is undeniable. As the petition drive gains steam, both supporters and opponents are bracing for a long-term ideological clash that will determine the future of fiscal equity in the Centennial State.
