The National Assembly of Nigeria has two chambers: the House of Representatives and the Senate. The House of Representatives is presided over by the Speaker of the House of Representatives. It has 360 members, who are elected for four-year terms in single-seat constituencies. The Senate, which has 109 members, is presided over by the President of the Senate. 108 members are elected for four-year terms in 36 three-seat constituencies, which correspond to the country's 36 states. One member is selected in the single-seat constituency of the federal capital.