Sierra Leone is governed under the constitution of 1991 as amended. The executive branch is headed by the president, who is both head of state and head of government. The president is popularly elected for a five-year term and may serve for two terms The unicameral Parliament has 124 members; 112 are popularly elected and 12 are paramount chiefs who are chosen in separate elections. All members serve five-year terms. Administratively, Sierra Leone is divided into 3 provinces and one area.