Government & politics — Iran
Government structure, legal system, citizenship, and international relations.
Profile updated 2026-06-02
⚡ Government & politics at a glance
Government structure, legal system, citizenship, and international relations. Key figure for Iran: Islamic Republic of Iran
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Identity & names
- Full Country Name
Islamic Republic of Iran
- Country Name
Iran
- Local - Long
Jomhuri-ye Eslami-ye Iran
- Local - Short
Iran
- Former Name
Persia
- Etymology- history of name
name derives from the Avestan term "aryanam" meaning "Land of the Noble [Ones]"
- Independence
- National Holiday
Republic Day, 1 April (1979)
Political system
- Government Type
theocratic republic
- Constitution
- Legal System:
religious legal system based on secular and Islamic law
- Executive Branch:
- Legislative Branch:
- Judicial Branch:
- Regions or States:
31 provinces (ostanha, singular - ostan); Alborz, Ardabil, Azarbayjan-e Gharbi (West Azerbaijan), Azarbayjan-e Sharqi (East Azerbaijan), Bushehr, Chahar Mahal va Bakhtiari, Esfahan, Fars, Gilan, Golestan, Hamadan, Hormozgan, Ilam, Kerman, Kermanshah, Khorasan-e Jonubi (South Khorasan), Khorasan-e Razavi (Razavi Khorasan), Khorasan-e Shomali (North Khorasan), Khuzestan, Kohgiluyeh va Bowyer Ahmad, Kordestan, Lorestan, Markazi, Mazandaran, Qazvin, Qom, Semnan, Sistan va Baluchestan, Tehran, Yazd, Zanjan
- Political Parties and Leaders:
- Suffrage:
18 years of age; universal
- Citizenship Criteria:
Capital & time
- Capital Name
Tehran
- Capital - geographic coordinate
35 42 N, 51 25 E
- Capital Time Difference
UTC+3.5 (8.5 hours ahead of Washington, DC)
- Daylight Savings Time
does not observe daylight savings time
International role
- International Organization Participation:
BRICS, CICA, CP, D-8, ECO, FAO, G-15, G-24, G-77, IAEA, IBRD, ICAO, ICC (national committees), ICRM, IDA, IDB, IFAD, IFC, IFRCS, IHO, ILO, IMF, IMO, IMSO, Interpol, IOC, IOM, IPU, ISO, ITSO, ITU, MIGA, NAM, OIC, OPCW, OPEC, PCA, SAARC (observer), SCO (observer), UN, UNAMID, UNCTAD, UNESCO, UNHCR, UNIDO, UNITAR, UNOOSA, UNWTO, UPU, WCO, WFTU (NGOs), WHO, WIPO, WMO, WTO (observer)
- International Law Organization Participation:
has not submitted an ICJ jurisdiction declaration; non-party state to the ICCt
- Diplomatic Representation from US:
- Diplomatic Representation in the US:
