| Indicator | Value |
|---|---|
| ISO 3166 alpha-2 | IRISO 3166 [2024] |
| ISO 3166 alpha-3 | IRNISO 3166 [2024] |
| Capital | TehranGeoNames [2024] |
| Continent | AsiaGeoNames [2024] |
| Common name | IranCIA World Factbook [2025] · 2026 archive |
| Official name | Islamic Republic of IranCIA World Factbook [2025] · 2026 archive |
| Local name | IranCIA World Factbook [2025] · 2026 archive |
| Etymology | the name derives from the Sanskrit word arya, referring to people living in a mountainous land, from the root word ar-, or "mountain;" the former name, Persia, was originally "Pars" (or the Arabic-influenced variant "Fars") from the Old Persian parsi, meaning "pure"CIA World Factbook [2025] · 2026 archive |
| Government type | Theocratic republicCIA World Factbook [2025] · 2026 archive |
| Independence | 1 April 1979 (Islamic Republic of Iran proclaimed); notable earlier dates: ca. 550 B.C. (Achaemenid or Persian Empire established); A.D. 1501 (Iran reunified under the Safavid dynasty); 1794 (beginning of Qajar dynasty); 12 December 1925 (modern Iran established under the PAHLAVI dynasty)CIA World Factbook [2025] · 2026 archive |
| National holiday | Republic Day, 1 April (1979)CIA World Factbook [2025] · 2026 archive |
| Head of state | No authoritative open source found |
| Currency code (ISO 4217) | IRRISO 4217 Currency Codes [2026] |
| Currency | Iranian RialISO 4217 Currency Codes [2026] |
| Administrative subdivisions | 31ISO 3166-2 Subdivisions [2026] |
| Subdivision names |
|
| Historical overview | No authoritative open source found |
| National symbols | lionCIA World Factbook [2025] · 2026 archive |
| National anthem | title: "Soroud-e Melli-ye Jomhouri-ye Eslami-ye Iran" (National Anthem of the Islamic Republic of Iran); lyrics/music: multiple authors/Hassan RIAHI; history: adopted 1990 ; note: a recording of the current Iranian national anthem is unavailable because the US Navy Band does not record anthems for countries from which the US does not anticipate official visits; the US does not have diplomatic relations with IranCIA World Factbook [2025] · 2026 archive |
| National colors | green, white, redCIA World Factbook [2025] · 2026 archive |
| Citizenship rules | citizenship by birth: no; citizenship by descent only: the father must be a citizen of Iran; dual citizenship recognized: no; residency requirement for naturalization: 5 yearsCIA World Factbook [2025] · 2026 archive |
the name derives from the Sanskrit word arya , referring to people living in a mountainous land, from the root word ar -, or "mountain;" the former name, Persia, was originally "Pars" (or the Arabic-influenced variant "Fars") from the Old Persian parsi , meaning "pure"
description: three equal horizontal bands of green (top), white, and red; centered in the white band is the red national emblem, a stylization of the word Allah in the shape of a tulip (a symbol of martyrdom); ALLAH AKBAR (God is Great) in white Arabic script is repeated 11 times along the bottom edge of the green band and 11 times along the top edge of the red band meaning: green is the color of Islam and also represents growth, white stands for honesty and peace, and red for bravery and martyrdom
Source: CIA World Factbook (Historical Archive — final edition) · CC0 · Edition 2026-05