Tanzania is governed under the constitution of 1977 as amended. The president, who is head of state and head of government, is elected by popular vote for a five-year term and is eligible for a second term. Political parties besides the ruling Party of the Revolution (CCM) were permitted starting in 1993, and the first multiparty elections were held in 1995. The unicameral legislature consists of the 357-seat National Assembly or Bunge; 239 members are popularly elected, 102 are women who are indirectly elected on a proportional basis, 10 appointed by the president, 5 are members of the Zanzibar's legislature (Zanzibar has its own president and House of Representatives, for dealing with matters internal to Zanzibar), and 1 is the attorney general. All legislators serve five-year terms. Administratively, Tanzania is divided into 26 regions.