<P> Elections to the United States Senate will be held November 6 , 2018 , with 33 of the 100 seats in the Senate being contested in regular elections . The winners will serve six - year terms from January 3 , 2019 , to January 3 , 2025 . Currently , Democrats have 23 seats up for election along with 2 independents who caucus with them . Republicans have 8 seats up for election . Two of the Republican seats are open as a result of Tennessee Senator Bob Corker 's and Arizona Senator Jeff Flake 's pending retirements . The seats up for election in 2018 were last up for election in 2012 , although some seats may have special elections if incumbents die or resign , as has already happened in Alabama and Minnesota . After the 2016 elections , some state election officials are trying to upgrade voting systems in time for this election . </P>
<P> Elections to the United States Senate will be held November 6 , 2018 , with 33 of the 100 seats in the Senate being contested in regular elections . The winners will serve six - year terms from January 3 , 2019 , to January 3 , 2025 . Currently , Democrats have 23 seats up for election along with 2 independents who caucus with them . Republicans have 8 seats up for election . Two of the Republican seats are open as a result of Tennessee Senator Bob Corker 's and Arizona Senator Jeff Flake 's pending retirements . The seats up for election in 2018 were last up for election in 2012 , although some seats may have special elections if incumbents die or resign , as has already happened in Alabama and Minnesota . After the 2016 elections , some state election officials are trying to upgrade voting systems in time for this election . </P>
how many senate seats are up for election in 2018
how many senate seats are up for election in 2018
33
33