Yemen is governed under the constitution of 1991 as amended. The president, who is head of state, is elected by popular vote for a seven-year term. The government is headed by the prime minister, who is appointed by the president. The bicameral legislature consists of the Shura Council, whose 111 members are appointed by the president, and the House of Representatives, whose 301 members are popularly elected to six-year terms. Administratively, the country is divided into 19 governorates.