It's sold as stopping the big cities from rewriting the constitution. But the cities can't — and what Amendment 4 actually does is let a single rural district overrule a statewide majority.
Every ballot cast in 2024, by region. Each figure ≈ 100,000 voters. There's no lopsided advantage — the rest of the state out-votes either metro on its own.
When the legislature passed right-to-work, working Missourians of both parties overturned it at the ballot box — by a landslide, and not because of the cities.
Today a citizen amendment passes with a simple statewide majority. Amendment 4 keeps that — then adds a trap: a measure must also win a majority in every one of Missouri's 8 congressional districts. Districts are drawn to be roughly equal in population, so no metro can dominate — but any one district can now block everyone else.
📄 Read the official, court-revised ballot title & full text (MO Secretary of State) →These are the citizen-initiated measures Missourians approved at the ballot box since 2020. A nonpartisan Ballotpedia analysis checked each against the 8-district rule.3 Here's the result.
Amendment 4 didn't come from voters. The legislature put it on the ballot — and it was contested enough that members of the sponsoring party broke ranks to oppose it.
It ensures a constitutional change has support across all of Missouri, not just the cities.
It also adds petition transparency and bans foreign money in ballot campaigns.
The "domination" it guards against can't happen — the metros are 2 of 8 districts. It instead lets the single most-opposed district veto the majority.
The transparency and foreign-money rules don't require a district veto — they're bundled with it to help it pass.12