Data code: IR
Government type: theocratic republic
National capital: Tehran
Administrative divisions: 25 provinces (ostanha, singular-ostan);
Ardabil, Azarbayjan-e Gharbi, Azarbayjan-e Sharqi, Bushehr, Chahar
Mahall va Bakhtiari, Esfahan, Fars, Gilan, Hamadan, Hormozgan, Ilam,
Kerman, Kermanshahan, Khorasan, Khuzestan, Kohkiluyeh va Buyer Ahmadi,
Kordestan, Lorestan, Markazi, Mazandaran, Semnan, Sistan va
Baluchestan, Tehran, Yazd, Zanjan
note: there may be three new provinces named Gorgan, Qom, and Qazvin
Independence: 1 April 1979 (Islamic Republic of Iran proclaimed)
National holiday: Islamic Republic Day, 1 April (1979)
Constitution: 2-3 December 1979; revised 1989 to expand powers of the presidency and eliminate the prime ministership
Legal system: the Constitution codifies Islamic principles of government
Suffrage: 15 years of age; universal
Executive branch: chief of state: supreme leader (rahbar-e moazam) and functional chief of state-Leader of the Islamic Revolution Ayatollah Ali Hoseini-KHAMENEI (since 4 June 1989) head of government: President (Ali) Mohammad KHATAMI-Ardakani (since 3 August 1997); First Vice President Hasan Ebrahim HABIBI (since NA August 1989) cabinet: Council of Ministers selected by the president with legislative approval elections: supreme leader appointed for life by the Council of Experts; president elected by popular vote for a four-year term; election last held 23 May 1997 (next to be held NA May 2001) election results: (Ali) Mohammad KHATAMI-Ardakani elected president; percent of vote - (Ali) Mohammad KHATAMI-Ardakani 69%