The seats held by Democratic Senators Jon Ossoff in Georgia and Gary Peters in Michigan are viewed as Republicans’ best pickup opportunities, as Trump carried both states in November 2024.

The 2026 midterm elections are coming later this year with 33 seats in the U.S. Senate and all 435 House seats on ballots across the country.

With control of Congress expected to hinge on a narrow margin in 2026, a small group of House and Senate incumbents is already emerging as the most vulnerable lawmakers of the coming cycle. Both parties are already zeroing in on a limited group of races likely to determine the balance of power.

Less than a year stands between the two parties and future Senate control as Democrats look to build off electoral wins earlier this month and Republicans work to hold on to the chamber. The road to nabbing back the majority is steep for Democrats, who ...