Missouri Votes on Amendment 6 Initiative Changes
Voters decide whether to require 80% legislative approval to alter citizen-approved laws.
Updated on Nov. 4, 2026 in Legislative Policy
Live Poll
Should lawmakers need 80% approval to change voter-approved laws in Missouri?
Missouri voters decide Amendment 6 on November 3, 2026, a constitutional change that would make it harder for lawmakers to modify laws approved through citizen initiatives. Supporters have raised and spent more than $8 million, while opposition spending has totaled $109,627.
Why it matters
The amendment would declare initiative and referendum rights fundamental and restrict lawmakers' ability to add signature requirements or shorten petition timelines. Supporters say it protects voter decisions, while opponents argue it limits the legislature's ability to adjust state law as circumstances change.
Amendment 6 would require at least 80% approval in both the Missouri House and Senate to send a proposed change to a voter-approved initiative law back to the ballot. Supporters have spent more than $8 million, compared with $109,627 spent in opposition, all from the Mo Protect PAC.
The players
Missouri AFL-CIO
The state labor federation that contributed $1,173,497 to the campaign and supports Amendment 6.
Missouri Republican Party
The state party that is among the most vocal opponents of Amendment 6.
Missouri Chamber of Commerce and Industry
The state business lobbying organization that is among the most vocal opponents of Amendment 6.
Mike Kehoe
The Governor of Missouri who signed the bill repealing the Proposition A paid sick leave requirement in July 2025.
The details
Amendment 6 would strengthen citizen initiative and referendum powers in the Missouri Constitution and restrict lawmakers from increasing signature requirements, shortening signature-collection time, or adding other burdens on petitioners. The Missouri Republican Party and the Missouri Chamber of Commerce and Industry are among the most vocal opponents, while the Missouri AFL-CIO and Missouri National Education Association support it.
Timeline
July 2025: Gov. Mike Kehoe signed a bill repealing the Proposition A paid sick leave requirement.
2024: Missouri voters approved Proposition A and a reproductive freedom amendment.
November 3, 2026: Missouri voters decide on Amendment 6.
Legislative Context
Over the past 50 years, 21 changes to the Missouri Constitution have come through citizen initiative petitions, and the 2024 sports betting measure passed by fewer than 3,000 votes. Amendment 6 would place a new 80% legislative threshold on altering those voter-approved measures.
If approved, Amendment 6 would make it significantly harder for the Missouri legislature to amend or repeal laws that voters have adopted through initiative petitions. Residents would see voter-approved policies remain in place unless lawmakers reach an 80% supermajority in both chambers.
The takeaway
Amendment 6 shifts the balance between direct democracy and legislative authority in Missouri. Voters weighing the measure will be deciding how durable citizen-approved laws should be against future legislative change.
What happens next
Missouri voters will decide Amendment 6 on November 3, 2026.
Further reading
For more on how lawmaking powers are divided, see Legislative Policy coverage.
Source note: This article includes information reported by ABC17NEWS.
Live Poll
Should lawmakers need 80% approval to change voter-approved laws in Missouri?
