Iowa voters will decide 1 statewide measure in 2026 on the November 3, 2026 general election ballot. Summaries below stick to the certified ballot language — no editorializing.
These measures appear on the November 3, 2026 general election ballot unless an earlier date is shown. Most statewide measures pass with a simple majority; passage requirements can vary by measure type — see the official full text for details.
Two-Thirds Legislative Vote Requirement for Income Tax Increase Bills Amendment
Constitutional amendment (legislative referral)
Require a two-thirds vote of both legislative chambers to pass a bill that would increase the individual or corporate income tax rate
A yes vote
Supports requiring a two-thirds vote of both legislative chambers to pass any bill raising the individual or corporate income tax rate.
A no vote
Keeps the current simple-majority requirement for passing income tax increases.
Titles and summaries reflect each state's certified measure list as tracked by Ballotpedia, with links to the full text. Measure lists can change until final certification — always confirm with your state election office. Last reviewed July 9, 2026.
