Mauritania is governed under the constitution of 2006. The executive branch is headed by a president, who is popularly elected for a five-year term and is eligible for a second term. The prime minister is appointed by the president. The bicameral parliament consists of the 56-seat Senate, whose members are indirectly elected for six-year terms, and the 95-seat National Assembly, whose members are popularly elected for five-year terms. Administratively, the country is divided into 12 regions and the capital district.