Lithuania is governed under the constitution of 1992. The president, who is the head of state, is elected by popular vote for a five-year term and is eligible for a second term. The prime minister, who is the head of government, is appointed by the president, as is the cabinet. The unicameral Parliament ( Seimas ) has 141 members; 71 are elected by popular vote and 70 by proportional representation, all for four-year terms. Administratively, the country is divided into 10 counties.