Colorado Amendment 87 Proposes Raising Top Income Tax Rate to 8.4%
Amendment 87 in Colorado proposes to nearly double the state's top income tax rate from 4.4% to 8.4%, a move critics argue would harm Colorado's economic competitiveness and disproportionately affect small businesses.
Colorado Springs Pueblo, CO, October 18, 2026 —
Colorado Amendment 87 proposes raising the state’s top income tax rate from 4.4% to 8.4%, a change that would nearly double the rate. The proposal’s details beyond that rate change were not provided.
Critics argue the increase could harm Colorado’s economic competitiveness and disproportionately affect small businesses. The summary of the proposal does not identify those critics or provide evidence, estimates or specific examples supporting their concerns. It also does not include arguments from supporters.
The information available does not specify how Amendment 87 would be considered, when any decision might occur, or which taxpayers would be subject to the proposed top rate. It does not describe how the measure would define or affect small businesses, or provide estimates of its potential fiscal impact.
As described, Amendment 87 is a proposal, not a reported change to the current rate. The information provided does not establish whether the measure has been approved or taken effect. The stated figures are a current top rate of 4.4% and a proposed rate of 8.4%; no further details about the proposal’s provisions or status were included.
Story summarized from the original created by Debbie Brown on gazette.com, see more information here.
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