what is the majority party in the senate
Party leaders of the United States Senate The Senate is currently composed of 51 Republicans, 47 Democrats, and 2 independents, both of whom caucus with the Democrats.
United States Senate elections, 2014 The Republicans regained the majority of the Senate in the 114th Congress, which started in January 2015; the Republicans had not controlled the Senate since January 2007. They had needed a net gain of at least six seats to obtain a majority. They held all of their seats, and gained nine Democratic-held seats. Republicans defeated five Democratic incumbents: