Missouri lawmakers convened in a special legislative session Wednesday to redraw the state's U.S. House districts in a move tied to President Donald Trump's effort to strengthen Republican prospects for next year's congressional elections.

The special session, called by Republican Gov. Mike Kehoe, was scheduled to begin at noon Wednesday and is expected to run at least a week. Lawmakers said the mid‑decade redistricting push aims to produce a map that boosts Republican chances of retaining control of the U.S. House of Representatives.

Missouri is the third state this year to pursue an unusual mid‑decade redistricting effort for overt partisan advantage. Republican‑led Texas, encouraged by the Trump administration, moved first with a new map designed to help Republicans pick up as many as five additional House seats. Democratic leaders in California responded with their own plan intended to give Democrats a chance at winning up to five more seats; that California plan still requires voter approval on the Nov. 4 ballot.

Nationally, Democrats would need to gain three seats in 2025 to take control of the House. Political strategists note that the party of the sitting president historically loses ground in midterm elections, a dynamic Republicans cite as reason to seek structural advantages where possible.

Proponents of the Missouri session argue that the current congressional map does not reflect population changes and that a redraw will produce fairer representation. Critics call the maneuver a partisan effort to entrench Republican power between censuses, saying mid‑decade redistricting undermines the traditional decennial cycle tied to the U.S. Census.

The Missouri action has come amid broader national discussions about the limits of partisan redistricting and the proper timing for altering congressional districts. Legal and political battles in other states have underscored how redistricting can reshape congressional balance for an entire decade.

As the special session proceeds, observers will watch for how Missouri's map compares to those adopted in Texas and proposed in California, and whether additional states pursue similar mid‑decade redraws before next year's midterm elections. Lawmakers have not finalized a timetable for votes on specific map proposals, and any finalized plan may face legal challenges depending on how the new lines are drawn.