[3] Per NBC News, the amendment received majority support in Buchanan, Platte, Clay, Jackson, Boone, St. Charles, and St. Louis counties, as well as the independent city of St.

[7][8] On March 8, 2024, the group Missourians for Constitutional Freedom submitted Amendment 3 to the Missouri Secretary of State.

[9] On August 13, 2024, the secretary of state's office announced 254,871 total valid signatures were submitted for the initiative.

[11] Additionally, a lawsuit to remove Amendment 3 from the ballot was filed, but ultimately rejected by the Supreme Court of Missouri.

Local governmental entities estimate costs of at least $51,000 annually in reduced tax revenues.

Despite losing the state, "No" won 5 of 8 congressional districts, with "Yes" winning the remaining three, including one that elected a Republican.