Laos is governed under the constitution of 1991. The president, who is the head of state, is elected by the legislature for a five-year term. The government is headed by the premier, who is appointed by the president. The unicameral legislature consists of the 115-seat National Assembly, whose members are popularly elected for five-year terms. The only permitted political party is the Lao People's Revolutionary party (the Lao Communist party). Administratively, the country is divided into fifteen provinces and one municipality (the capital).