Missouri voters will decide 7 statewide measures in 2026 — most on the November 3 general election ballot (measures with an earlier election date are marked). Summaries below stick to the certified ballot language — no editorializing.
Most statewide measures pass with a simple majority; passage requirements can vary by measure type — see the official full text for details.
Amendment 3: Prohibit Abortion and Gender Transition Procedures for Minors Amendment
Constitutional amendment (legislative referral)
Prohibit abortion in most cases, and prohibit gender transition procedures for minors under eighteen
Creation of Show-Me Prosperity Investment Fund Amendment
Constitutional amendment (legislative referral)
Create a permanent public endowment fund managed by the state to generate revenue, and use the earnings to eliminate state-imposed taxes when sufficient to replace them
Amendment 4: Require Congressional District Approval for Initiated Constitutional Amendments, Prohibit Foreign Contributions, and Penalize Petition Fraud Amendment
Constitutional amendment (legislative referral)On the August 4, 2026 ballot
Require the majority of voters from each congressional district to approve initiative petitions to amend the constitution, prohibit foreign nationals from contributing to ballot measure campaigns, among other provisions
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.