According to NBC News, voters approved Republican-backed constitutional amendments that would make it clear that only American citizens can vote in elections in all eight states where they appeared on the ballot.

Clear majorities of voters in Idaho, Iowa, Kentucky, Missouri, North Carolina, Oklahoma, South Carolina and Wisconsin have passed constitutional amendments that expressly ban non-citizens from voting in state and local elections – even though it is already illegal for non-citizens is to vote in elections in these states and at the federal level, even if it is rare.

The Republican-controlled legislatures in these eight states — where lawmakers control the constitutional amendment process, not citizens — placed these proposed amendments on this year's ballot.

Election experts have warned that the measures are one of several ways Republicans at the national and state levels have tried to push the baseless narrative that non-citizens are voting in large numbers in a way that will change the election results as the vote progresses could influence.

No state constitution allows non-citizens to vote. Outside of the eight states with the ballot measures, certain cities and towns in three states and Washington, D.C. have allowed non-citizens to vote in some local elections.

Proponents of the ballot measures have argued that they are a way to forestall potential problems related to non-citizen voting.

The amendments passed in Iowa, Missouri, North Carolina, Oklahoma, South Carolina and Wisconsin will change existing language in those states' constitutions to allow “only” citizens to vote. Current usage states that “any citizen” or “all citizens” can do this.

In Idaho and Kentucky, the changes will add language to those states' constitutions stating that “no person who is not a citizen of the United States” may vote.

The passage of the amendments marks the latest chapter in Republicans' ongoing efforts to put unfounded claims about non-citizen voting at the center of a broader political strategy.

Former President Donald Trump has long made false claims that non-citizen voting led to widespread fraud and that Democrats helped migrants enter the country to cast those ballots.

The Republican National Committee's Election Integrity Campaign also noted that non-citizen voting posed a danger that it warned could be a source of widespread fraud in the 2024 election.

In addition, GOP officials in several states purged or attempted to purge their voter rolls with the goal of eliminating noncitizens, while House Speaker Mike Johnson, R-La., has pushed legislation that would require documentary proof of citizenship, to register to vote.