Voters across the country won a wave of Democratic victories on Tuesday, flipping seats in Congress as well as state legislatures and weakening a number of Republican majorities.
Missouri was no exception. Democrats made significant progress in the House of Representatives, gaining 16 seats, although Republicans still hold every statewide office and maintain control of the Legislature.
Still, the election was more than just a rebuke to President Donald Trump. It reflects a long-standing frustration with Missouri politicians who have repeatedly sought to override the will of voters — a practice that has intensified under Republican control. What’s more, voters went beyond weakening the Republican majority. They approved a constitutional amendment that reduced the powers of the legislature and transferred more power directly to the people.
Amendment 6, approved with a decisive majority, significantly limits the Legislature’s ability to overturn laws and constitutional amendments passed through citizen initiatives, as well as its ability to reinstate laws rejected by voters in referendums.
Missouri Republicans have only themselves to blame, according to political observers who have seen the conflict between lawmakers and voters intensify. They resisted voter-approved Medicaid expansion, repealed paid sick leave protections, and sought to overturn abortion rights. They have sometimes coupled their efforts with provisions unrelated to the culture war, such as limiting health care for transgender minors, intended to appeal to conservative voters.
This summer, they then tried to persuade voters to give up some of their power by changing the constitution to make it harder for initiatives to pass. Voters rejected that proposition by a margin of more than 4-1.
“I think Missourians are trying to regain control of our legislature because at this point our legislature doesn’t really seem to represent the majority view in the state,” said Jayne Woods, a professor at the University of Missouri School of Law who has written about the tension between direct democracy and the legislative branch.
Benjamin Singer is the co-founder and executive director of the Respect Missouri Voters Campaign, which helped organize the push for Amendment 6. He said the frustration goes back decades, including periods when Democrats controlled the Legislature. He said that when the campaign began organizing in late 2024, many volunteers were still angry over lawmakers’ decision in 2011 to ease restrictions on puppy mills that voters approved a year earlier.
The campaign, he said, already had a major volunteer operation in place before Republican lawmakers moved in 2025 to roll back voter-approved measures that aimed to mandate paid sick leave and protect abortion rights. Respect Missouri voters finally gathered enough signatures to put Amendment 6 on the ballot, seeking not only to protect the initiative process but also to strengthen the power of the electorate over the legislature.
With the passage of this amendment, lawmakers must now secure 80 percent support in both the House and Senate before they can propose amending or repealing measures passed through citizen initiatives, or reinstating laws rejected by voters in referendums. Even then, voters must approve any changes in a statewide election. The restriction applies to measures approved by voters since 2010, including the constitutional amendment protecting the right to abortion that voters approved in 2024.
Republican lawmakers proposed a measure Tuesday to restore restrictions on abortion, but voters rejected that as well. With the passage of Amendment 6, abortion opponents no longer have a clear path to try again.
Amendment 6 also strengthens the referendum process. In addition to restricting the ability of lawmakers to re-enact laws similar to those that voters rejected, the amendment explicitly protects citizens’ rights to enact laws and constitutional amendments with a simple statewide majority, thereby rejecting the higher threshold that Republican lawmakers sought to impose earlier this year. And it protects the power of Missouri courts to rewrite misleading ballot language, a power that Republican officials have repeatedly tried to remove.
Political observers say the result could make the legislature less substantial than it once was. Republicans still have the votes to pass most laws, but when voters reject those laws at the ballot box or pass their own measures or constitutional amendments through citizen initiatives, lawmakers will now face significant hurdles in overcoming them.
Denny Hoskins, Secretary of State and one of the most prominent Republican opponents of Amendment 6, acknowledged how profoundly it would shift the balance of power. Before the election, he told the Missouri Independent that if the amendment passed, “it would bring our legislature to its knees to the extent that they would be able to pass laws to reduce crime and reduce taxes.”
In text messages Wednesday, Hoskins said Amendment 6 weakens the Legislature and governor “regardless of party” and predicted it would be challenged in court. He said “putting power back to the people” might be a great slogan, but the amendment’s proponents “have no idea what it’s actually going to do.”
Hoskins himself had tried to keep Amendment 6 off the ballot. In August, he refused to certify the initiative petition, arguing that it violated constitutional restrictions on ballot measures. He also rejected a separate petition calling for a statewide referendum on a recently redrawn congressional map that Republican lawmakers, working at Trump’s behest, had approved to give their party another congressional seat.
The Missouri Supreme Court reversed its decision in both cases, ordering the measures to appear on the ballot. The court found Hoskins in contempt when he attempted to use the card despite his decision. Hoskins backed down and the judges didn’t make him stop.
On Tuesday, voters also rejected the map. With Amendment 6 now in place — and Democrats significantly increasing their numbers in the House — Republican lawmakers likely won’t garner enough support to override voters’ rejection of their map.
Travis Crum, a law professor at Washington University in St. Louis and an expert on voting rights and election law, said he knows of no other state with a restriction comparable to Missouri’s 80% threshold. But he said the amendment was understandable given the Legislature’s repeated attempts to roll back voter-approved policies and its failed efforts this summer to make citizen initiatives harder to pass.
“I think there’s been a simmering frustration with the way the legislature has ignored the initiative process and then sort of tried to rewrite it for their own purposes,” he said.
John Hancock, former chairman of the Missouri Republican Party and longtime GOP consultant, acknowledged that Republican lawmakers have provoked some of the backlash against themselves. But he warned that Amendment 6 could make Missouri a magnet for well-funded out-of-state interest groups seeking to enact laws through ballot initiatives — possibly on taxation or gun policy.
This concern about wealthy outside interests was also at the heart of the Republican-backed proposal to restrict citizen initiatives, which voters rejected in August. Gov. Mike Kehoe had spent months warning voters about out-of-state special interests trying to rewrite the state constitution, even though a campaign supporting his proposal to phase out the state income tax benefited from funding from a Delaware nonprofit with undisclosed donors.
Woods said the defeat suggested voters weren’t convinced by that argument. Regardless of who funds an initiative campaign, she noted, it’s Missourians who organize, gather support and ultimately decide whether to approve the measures.
“I think the people of the state have said quite resoundingly, ‘No, we don’t believe that’s true,'” Woods said. “‘We think it’s our citizens who are doing this. This is what we want as citizens.'”
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