Colorado Amendment 87: Understanding the Proposed Graduated Income Tax

Colorado Amendment 87: Understanding the Proposed Graduated Income Tax

Colorado voters considered a significant change to the state’s income tax structure with Amendment 87. This proposed amendment aimed to replace the existing flat income tax rate with a graduated system, featuring different tax rates for various income levels. The outcome of such a measure has broad implications for individuals, corporations, and the state’s public services.

The core of Amendment 87 was the introduction of a progressive tax system. This would mean that higher earners would pay a larger percentage of their income in taxes compared to lower earners. This approach is common in many other states and at the federal level, with the goal of creating a more equitable tax burden and generating revenue for public programs. The proposed rates were designed to take effect starting in the 2027 tax year, impacting tax filings from that point forward.

Key Provisions of Amendment 87

If approved, Amendment 87 would have replaced Colorado’s 4.4% flat income tax with a system of six tax brackets. These brackets would apply to both individuals and corporations. The proposed rates were structured to increase as income rises, with the highest proposed rate reaching 8.4%.

It is important to understand how these proposed rates would function. The measure specified that the higher rates would only apply to the portion of income that falls within each specific bracket. For example, the 7.4% rate would apply to income above $500,000, but only to the amount exceeding that threshold, not the entire income. This is known as a marginal tax rate system.

The proposal also included a potential point of contention: the $500,000 threshold for the first higher bracket was not set to adjust for inflation. Critics argued that this could lead to “bracket creep,” where ordinary wage increases over time could push more taxpayers into higher tax brackets, even if their real purchasing power hasn’t significantly increased.

Potential Impact on Taxpayers

Supporters of Amendment 87 suggested that the majority of Coloradans would see a reduction in their tax liability or no change at all. Estimates from the Economic Policy Institute indicated that around 97% of taxpayers might benefit. For instance, individuals earning $25,000 could see their tax bill decrease by approximately $175.

However, for those with higher incomes, the tax burden would increase. A taxpayer earning $550,000 could see their tax liability rise by about $1,175. For individuals earning $2 million, the increase would be substantially more, with an estimated additional tax payment of $55,925 compared to the previous flat tax system.

Revenue Generation and Public Services

A primary argument for Amendment 87 was its potential to generate significant revenue for public services. Supporters stated that the funds raised could be directed towards K-12 education, healthcare, and early childhood programs. Revenue estimates varied, with the Economic Policy Institute suggesting around $2 billion annually, while Governor Jared Polis indicated the proposal could raise over $2 billion.

Furthermore, the amendment was designed to allow Colorado to retain additional revenue beyond the limits set by the Taxpayer’s Bill of Rights (TABOR). This provision aimed to provide more flexibility in funding state programs. The exact allocation of these funds to specific services was a subject of ongoing discussion.

The Role of Proposition 136

Adding another layer of complexity to the election was Proposition 136. This proposition proposed a cap of 4.4% on individual and corporate income taxes. If Proposition 136 passed on its own, it would not alter the existing 4.4% flat tax rate but would establish a legal limit.

The interaction between Amendment 87 and Proposition 136 created a potential conflict. If both measures were approved by voters, the outcome would be uncertain. The final tax system could depend on the precise vote totals or potentially be decided by Colorado courts. This scenario highlighted the importance of carefully considering the implications of each ballot measure.

Conflicting Outcomes and Public Debate

The potential for conflicting results meant that the final tax landscape in Colorado was far from settled. The table below outlines the possible scenarios:

Ballot Outcome	Possible Tax System
Neither measure passes	The current flat-tax system remains.
Only Proposition 136 passes	The flat-tax system remains, with a 4.4% cap.
Only Amendment 87 passes	Colorado adopts graduated income tax brackets.
Both measures pass	Conflict arises; outcome depends on vote totals or courts.

Supporters of Amendment 87 emphasized the benefits for public services and the potential for most taxpayers to pay less. However, critics, including Governor Polis and Attorney General Phil Weiser, raised concerns. Governor Polis questioned the lack of guaranteed funding for education, stating that the tax increase might not directly benefit classrooms. Attorney General Weiser expressed worry that if both measures passed, the state could lose substantial revenue, undermining the very goals supporters aimed to achieve.

Ultimately, the official results for Amendment 87 and Proposition 136 were to be determined by the Colorado Secretary of State. Until certified totals were released, taxpayers were advised to treat both proposals as pending measures rather than enacted changes.

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