Colorado Proposition NN (2026), explained

This was on the Colorado ballot on Tuesday, November 3, 2026. No recommendation, just what it does and both sides.

Passed (projected)Votes are still being counted, as of Monday, November 9, 2026, per Colorado Politics.

Proposition NNState law · Put on the ballot by lawmakers

Keep TABOR surplus for schools

Explain it like I'm 5

Colorado normally refunds some extra tax money when collections go above the TABOR limit. This would let the state keep some of that money for K-12 schools and children's programs.

Yes vote

The state may retain surplus revenue above the TABOR cap for K-12 education and specified children's programs, mainly reducing or eliminating refunds.

No vote

Current TABOR refund rules remain and surplus revenue continues to be handled under existing limits.

The question to ask yourself

Should surplus money be returned to taxpayers or retained for K-12 education and related children's programs?

The case for

  • It could provide more stable funding for teacher pay, class sizes, career education, and classroom needs.
  • The measure uses revenue already collected rather than increasing tax rates.
  • Dedicated spending, reporting, and audits can make the new money easier to track.

Backed by: Colorado Education Association, Yes for Colorado Kids, Democratic Party of Colorado

The case against

  • Taxpayers could receive smaller or no TABOR refunds.
  • The measure raises the spending limit and may allow government spending to grow faster.
  • After the initial period, lawmakers may gain broader discretion over retained funds.

Opposed by: Republican Party of Colorado, Independence Institute, Colorado Chamber of Commerce, Common Sense Institute

Money
The state estimates about $500 million would be retained in the first year, reducing or eliminating TABOR refunds when revenue exceeds the limit.
Don't be misled
It is misleading to say this raises tax rates, because it changes how already collected revenue is spent, but taxpayers may receive smaller refunds.

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Written by ChatGPT, Claude, Gemini and Grok with web search, then checked against each other. See where they disagreed on Colorado. Your sample ballot and the official voter guide are the final word. Look up your sample ballot.

Also on the Colorado ballot

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  2. Amendment 82Natural gas access right
  3. Amendment 83Right to hunt and fish
  4. Amendment 84ID number on mail ballots
  5. Amendment 85Plain-language ballot questions
  6. Amendment 86Mid-decade map approval rules
  7. Amendment 87Graduated state income tax
  8. Proposition 132Tougher fentanyl crime penalties
  9. Proposition 133Life without parole for child trafficking
  10. Proposition 134School sports by biological sex
  11. Proposition 135Ban certain surgeries for minors
  12. Proposition 136Cap income tax at 4.4 percent
  13. Proposition 137Sporting-goods tax for conservation