[1] The Republican Party retained their majority in both the House and the Senate, and, with inauguration of Donald Trump on January 20, 2017, attained an overall federal government trifecta for the first time since the 109th Congress in 2005.

[2][3][4][5] Section contents: Senate: Majority (R), Minority (D) • House: Majority (R), Minority (D) The average age of members of the House of Representatives during the 115th Congress was 57.8 years, while the average age of U.S. senators was 61.8 years.

[33] The most common occupation of senators prior to being elected to their posts was law, followed by public service/politics and business.

Other religious faiths of congressmembers in the 115th Congress included Buddhism, Hinduism, Islam, and Judaism.

Section contents: Senate, House, Joint Jim Inhofe (R-OK) from September 6, 2018; acting from December 2017