The 108th United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives from January 3, 2003, to January 3, 2005, during the third and fourth years of George W. Bush's presidency.
House members were elected in the 2002 general election on November 5, 2002. Senators were elected in three classes in the 1998 general election on November 3, 1998, 2000 general election on November 7, 2000, or 2002 general election on November 5, 2002. The apportionment of seats in the House of Representatives was based on the 2000 United States census.