
Missouri voters may decide on a veto referendum on the state’s new congressional district map in 2026. If certified for the ballot, this would be the 26th veto referendum Missouri voters will decide in state history. Between 1906 and 2025, 530 veto referendums appeared on ballots in 23 states. Voters more often repealed the targeted…

In 2026, Missouri voters will decide on a constitutional amendment, Amendment 4, to require voter approval of citizen-initiated constitutional amendments in each congressional district, rather than statewide. Amendment 4 was introduced by State Rep. Ed Lewis (R-6). It passed the House by 98–58 and passed the Senate by 21–11. In addition to the new supermajority…