List of Missouri ballot measures

The following is a list of statewide initiatives and referendums modifying state law and proposing state constitutional amendments in Missouri, sorted by election.

Proposal	Description	Result	Yes votes	No votes
Amendment 1	Budget Reserve Fund Measure. Would create a reserve fund for use by the governor in budget emergencies.	Passed	1,223,284 (59.16%)	844,303 (40.84%)
Amendment 2	Bingo Operation Measure. Would reduce the amount of time required for individuals to participate in the operation of a bingo game.	Failed	672,370 (32.51%)	1,395,873 (67.49%)
Amendment 3	Elected Officials Salaries Measure. Would require salaries for statewide elected officials to be appropriated by the state legislature.	Failed	780,192 (40.90%)	1,127,189 (59.10%)
Proposition A	Outdoor Advertising Restriction Initiative. Would prohibit construction of most new outdoor advertising and restrict existing advertising along highways.	Failed	1,075,333 (48.94%)	1,122,119 (51.06%)
Proposition B	Public Campaign Financing Initiative. Would establish a public campaign finance system funded by an increased corporate tax.	Failed	748,949 (35.40%)	1,366,559 (64.60%)

Proposal	Description	Result	Yes votes	No votes
Amendment 1	English Official Language Amendment. Would establish English as the official language in all government meetings.	Passed	2,407,536 (86.31%)	381,874 (13.69%)
Amendment 4	Storm Water Control Finance Amendment. Would limit grants and loans to only be given to public water and sewer districts.	Passed	1,494,107 (57.85%)	1,088,728 (42.15%)
Proposition A	Gambling Loss Limits Act. Would eliminate gambling loss limits while restricting the number of casinos that can be built in the state and increasing the gambling tax to provide for public school education.	Passed	1,578,674 (56.17%)	1,231,892 (43.83%)
Proposition B	Quality Homecare Council Act. Would create the Missouri Quality Homecare Council which would be tasked with improving health care for the elderly.	Passed	2,077,831 (75.26%)	683,137 (24.74%)
Proposition C	Clean Energy Act. Would require utility companies to slowly increase their usage of renewable energy.	Passed	1,777,500 (66.03%)	914,332 (33.97%)

Proposal	Description	Result	Yes votes	No votes
Amendment 1	Election of Charter County Assessors Amendment. Would require all county assessors to be an elected position (except in Jackson County).	Passed	1,360,556 (74.12%)	475,000 (25.88%)
Amendment 2	Prisoner of War Property Tax Exemption Amendment. All property owned by former prisoner of war used as their household is exempt from property taxes.	Passed	1,227,297 (65.76%)	639,065 (34.24%)
Amendment 3	Real Estate Taxation Amendment. Would prohibit any new tax on the selling or transferring of real estate.	Passed	1,592,177 (83.73%)	309,398 (16.27%)
Proposition A	Earnings Tax Act. Would require cities to hold referendums on earnings tax levied by the city.	Passed	1,297,197 (68.39%)	599,672 (31.61%)
Proposition B	Dog Breeding Regulation Act. Would require large-scale dog breeding operations to provide humane treatment and limits the number of dogs they can own. Also would create the misdemeanor crime of "puppy mill cruelty."	Passed	997,870 (51.59%)	936,190 (48.41%)

Proposal	Description	Result	Yes votes	No votes
Amendment 3	Judicial Appointment Amendment. Would change the selection of supreme court judges from a nonpartisan process to one that would give the governor more discretion and control over a selecting commission.	Failed	608,458 (24%)	1,929,470 (76%)
Proposition A	Municipal Police Amendment. Would effectively transfer the control over the St. Louis police force from the state government to the city.	Passed	1,617,443 (63.9%)	914,143 (36.1%)
Proposition B	Tobacco Tax Initiative. Introduces a tax on tobacco products to fund tobacco prevention services in education institutions.	Failed	1,321,586 (49.2%)	1,362,005 (50.8%)
Proposition E	Health Care Exchange Question. Would prohibit the governor from establishing any state-operated health insurance exchange without approval from the legislature or an amendment.	Passed	1,573,292 (61.7%)	976,250 (38.3%)

Proposal	Description	Result	Yes votes	No votes
Amendment 1	Right-to-Farm Amendment. Would guarantee farmers and ranchers a right to farm and produce food for others.	Passed^[1]	499,963 (50.12%)	497,588 (49.88%)
Amendment 5	Right to Bear Arms Amendment. Would provide citizens the 'unalienable' right to keep and bear arms; also restricted rights of convicted felons and the mentally ill to own firearms and removed a restriction on concealed carry.	Passed^[2]	602,863 (60.95%)	386,308 (39.05%)
Amendment 7	Temporary Sales Tax Increase for Transportation Amendment. Would impose a 0.75% sales and use tax increase for a maximum of ten years to fund transportation projects.	Failed^[3]	408,288 (40.82%)	591,932 (59.18%)
Amendment 8	Veterans Lottery Ticket Amendment. Would allow the creation of a new lottery ticket to specifically fund veterans' programs.	Failed^[4]	441,520 (45.01%)	539,519 (54.99%)
Amendment 9	Electronic Data Protection Amendment. Would protect personal electronic communication and data from unreasonable searches and seizures.	Passed^[5]	729,752 (74.75%)	246,515 (25.25%)

List of Missouri ballot measures

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2020s

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2024

References

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November 2014 general election
Proposal	Description	Result	Yes votes	No votes
Amendment 2	Evidence in Sexual Crimes Against Minors Amendment. Would allow evidence of prior criminal acts to be admissible in prosecutions for sexual crimes involving a victim under the age of eighteen.	Passed^[6]	1,018,773 (71.98%)	396,519 (28.02%)
Amendment 3	Teacher Performance Evaluation. Would implement teacher performance evaluations to determine their employment status.	Failed^[7]	339,422 (23.57%)	1,100,628 (76.43%)
Amendment 6	Early Voting Period Amendment. Would establish a six day long early voting period.	Failed^[8]	416,447 (29.70%)	985,966 (70.30%)
Amendment 10	Gubernatorial Budgetary Recommendations Amendment. Would restrict the governor's power to use and estimate public funds in the budget.	Passed^[9]	791,099 (56.80%)	601,699 (42.20%)

November 2016 general election
Proposal	Description	Result	Yes votes	No votes
Amendment 1	Sales Tax for Parks and Conservation Measure. Would renew for 10 years a 1984 state amendment which prescribes a 0.1% sales and use tax in order to fund state parks and conservation projects.	Passed^[10]	2,187,773 (79.88%)	551,117 (20.12%)
Amendment 2	State and Judicial Campaign Contribution Limits Initiative. Would establish various limits on political campaign contributions. Later partially ruled unconstitutional in federal court.	Passed^[11]	1,894,870 (69.95%)	814,016 (30.05%)
Amendment 3	60 Cent Cigarette Tax Amendment. Would increase taxes on cigarettes by 60 cents per pack by 2020.	Failed^[12]	1,120,389 (40.45%)	1,649,723 (59.55%)
Amendment 4	Prohibition on Extending Sales Tax to Previously Untaxed Services Amendment. Would prohibit new sales/use taxes on any service not subject to a sales/use tax before 2015.	Passed^[13]	1,533,909 (56.98%)	1,158,291 (43.02%)
Amendment 6	Voter ID Requirement Amendment. Would requiem the presentation of voter IDs when voting in elections.	Passed^[14]	1,712,274 (63.01%)	1,005,234 (36.99%)
Proposition A	23 Cent Cigarette Tax Initiative. Would increases taxes on cigarettes by 23 cents per pack by 2021.	Failed^[15]	1,223,251 (44.81%)	1,506,644 (55.19%)

November 2018 general election
Proposal	Description	Result	Yes votes	No votes
Amendment 1	Lobbying, Campaign Finance, and Redistricting Initiative. Would introduce reforms to campaign finance laws for political candidates, lobbying laws, and change the legislative redistricting process.	Passed^[17]	1,469,093 (62.02%)	899,613 (37.98%)
Amendment 2	Medical Marijuana and Veteran Healthcare Services Initiative. Would legalize marijuana for medical purposes, tax sales at 4 percent, and redistribute revenue to healthcare services, job training, housing assistance, and other services for veterans	Passed^[18]	1,583,227 (65.59%)	830,631 (34.41%)
Amendment 3	Medical Marijuana and Biomedical Research and Drug Development Institute Initiative. Would legalize marijuana for medical purposes, tax sales at 15 percent, and redistribute revenue to the creation of a Biomedical Research and Drug Development Institute	Failed^[19]	754,007 (31.50%)	1,639,622 (68.50%)
Amendment 4	Management and Advertisement of Bingo Games Amendment. For organizations, would repeal constitutional ban on advertising bingo games and reduce the time someone has to be a member before managing a bingo game.	Passed^[20]	1,194,304 (52.39%)	1,085,158 (47.61%)
Proposition B	$12 Minimum Wage Initiative. Would annually increase the minimum wage until reaching $12 in 2023.	Passed^[21]	1,499,002 (62.34%)	905,647 (37.66%)
Proposition C	Medical Marijuana and Veterans Healthcare Services, Education, Drug Treatment, and Public Safety Initiative. Would legalize marijuana for medical purposes, tax sales at 2 percent, and spend revenue on the above services.	Failed^[22]	1,039,251 (43.57%)	1,345,762 (56.43%)
Proposition D	Gas Tax Increase, Olympic Prize Exemption, and Traffic Reduction Fund Measure. Would incrementally increase the gas tax from 17 to 27 cents, and exempt prizes from the Olympics from state taxes.	Failed^[23]	1,109,009 (46.40%)	1,281,143 (53.60%)

November 2020 general election
Proposal	Description	Result	Yes votes	No votes
Amendment 1	State Executive Term Limits Amendment. Would limit the governor, lieutenant governor, secretary of state, state treasurer, state auditor, and attorney general to two terms of office.	Failed^[25]	1,363,767 (47.16%)	1,527,782 (52.84%)
Amendment 3	Redistricting Process and Criteria, Lobbying, and Campaign Finance Amendment. Would replace the nonpartisan demographer with a bipartisan commission appointed by the governor for legislative redistricting and repeals many provisions of Amendment 1 passed in 2018.	Passed^[26]	1,489,503 (51.01%)	1,430,358 (48.99%)