who has the majority in congress right now
115th United States Congress The One Hundred Fifteenth United States Congress is the current meeting of the legislative branch of the United States federal government, composed of the Senate and the House of Representatives. It meets in Washington, D.C. from January 3, 2017, to January 3, 2019, during the final weeks of Barack Obama's presidency and the first two years of Donald Trump's presidency. The November 2016 elections maintained Republican control of both the House and Senate.
Seniority in the United States Senate The president pro tempore of the Senate is traditionally the most senior member of the majority party.