Answer:
Republican 53 Democrats 45
Explanation:
Thirty-five U.S. Senate seats, including two in special elections, were up for election on November 6, 2018.
The 2018 United States Senate elections were held on November 6, 2018. 33 of the 100 seats were contested in regular elections while two others were contested in special elections due to Senate vacancies in Minnesota and Mississippi. The winners were elected to six-year terms running from January 3, 2019, to January 3, 2025. Senate Democrats had 26 seats up for election (including the seats of two independents who caucus with them) while Senate Republicans had nine seats up for election.
Heading into the 2018 election, the Republican Party held the majority in the U.S. Senate with 51 Senate seats, Democrats had 47 Senate seats, and two seats were held by independents who caused with the Democratic Party. In the 2018 midterm elections, the Republican Party expanded their majority by two seats.