There are 35 senate seats up for grabs, out of a total of 100 seats. This map by 270toWin shows the current senate and makes a forecast for the senate elections. It also shows how the senate would be made up in 2027 based on those predictions. The senate has 53 Republicans and 47 Democrats (and two independents). Democrats can retake control with a net gain of four seats.

All 435 seats in the House of Representatives are in play on Nov. 3. Republicans currently control the U.S. House. This map by 270toWin shows the current House and makes a forecast for the House elections, as well as the makeup of the House based on those predictions. Republicans currently hold 218 seats while the Democrats hold 214. One independent sits with the Republicans, so 218 seats are needed for a majority (as long as there are no vacancies).