2018 Senate Election (Fall of the Republicans)

Elections to the United States Senate were held on November 6, 2018. Elections to the House of Representatives, as well as numerous state and local elections, were held on the same date.

In 2018, Democrats defended 26 seats, while Republicans defended 9 seats. Republicans held a narrow majority before this election with 51 seats. In 2018, Democrats won a net gain of two seats, taking control of the chamber for the 116th Congress. The Democrats picked up seats in Nevada, Arizona, and Tennessee, while Republicans won a seat in Missouri. 2018 marked the fourth consecutive Class 1 election where the Democrats made a net gain in seats.

Following the election, Chuck Schumer became the Senate Majority Leader.