The Ballot Brief
Missouri ballot measures · 2026

Amendment 3 Prohibit Abortion and Gender Transition Procedures for Minors Amendment

Ballot measures › Missouri 2026 › Amendment 3

Constitutional amendment (legislative referral)On the November 3, 2026 ballot

Missouri Amendment 3 (Prohibit Abortion and Gender Transition Procedures for Minors Amendment) is on the November 3, 2026 ballot. Prohibit abortion in most cases, and prohibit gender transition procedures for minors under eighteen

What a yes or no vote means

A YES vote Supports amending the constitution to prohibit abortion in most cases and to prohibit gender transition procedures for minors under eighteen.
A NO vote Leaves the state constitution's current provisions on these subjects unchanged.
Read the certified ballot question

Prohibit abortion in most cases, and prohibit gender transition procedures for minors under eighteen

Verify with the state: official full text and details →.

See everything else on your Missouri ballot

About this measure

How it reached the ballot

Missouri initiative petitions must hit district thresholds in six of the state's eight congressional districts: 8 percent of the last gubernatorial vote per district for constitutional amendments (about 170,215 signatures using the six lowest districts for 2026) and 5 percent for statutes (about 106,384), with veto referendums needing 5 percent in two-thirds of districts. The General Assembly refers constitutional amendments by majority vote of both chambers on a joint resolution. All measures pass by simple majority.

About this page

Wording above follows the certified ballot language; The Ballot Brief does not take positions on measures.

Other Missouri statewide measures in 2026

Amendment 7: Creation of Show-Me Prosperity Investment Fund AmendmentAmendment 8: Require Election of County Sheriffs AmendmentAmendment 1: Sales Tax for Parks and Conservation AmendmentAmendment 2: Require Election of Jackson County Assessor AmendmentAmendment 4: Require Congressional District Approval for Initiated Constitutional Amendments, Prohibit Foreign Contributions, and Penalize Petition Fraud AmendmentAmendment 5: Income Tax Elimination and Sales Tax Changes Amendment

All Missouri 2026 ballot measures · Missouri candidates