Liberia is governed under the constitution of 1986. The executive branch is headed by a president, who is popularly elected for a renewable six-year term. The president is both the head of state and the head of government. The bicameral legislature, the National Assembly, consists of the 30-seat Senate, whose members are popularly elected for nine-year terms, and the 64-seat House of Representatives, whose members are popularly elected for six-year terms. Administratively, Liberia is divided into 15 counties.