CIA – The World Factbook: Iran
Known as Persia until 1935, Iran became an Islamic republic in 1979 after the ruling monarchy was overthrown and Shah Mohammad Reza PAHLAVI was forced into exile. Conservative clerical forces led by Ayatollah Ruhollah KHOMEINI established a theocratic system of government with ultimate political authority vested in a learned religious scholar referred to commonly as the Supreme Leader who, according to the constitution, is accountable only to the Assembly of Experts - a popularly elected 86-member body of clerics. US-Iranian relations became strained when a group of Iranian students seized the US Embassy in Tehran in November 1979 and held embassy personnel hostages until mid-January 1981. The US cut off diplomatic relations with Iran in April 1980. During the period 1980-88, Iran fought a bloody, indecisive war with Iraq that eventually expanded into the Persian Gulf and led to clashes between US Navy and Iranian military forces. Iran has been designated a state sponsor of terrorism for its activities in Lebanon and elsewhere in the world and remains subject to US, UN, and EU economic sanctions and export controls because of its continued involvement in terrorism and concerns over possible military dimensions of its nuclear program. Following the election of reformer Hojjat ol-Eslam Mohammad KHATAMI as president in 1997 and a reformist Majles (legislature) in 2000, a campaign to foster political reform in response to popular dissatisfaction was initiated. The movement floundered as conservative politicians, supported by the Supreme Leader, unelected institutions of authority like the Council of Guardians, and the security services reversed and blocked reform measures while increasing security repression.
Starting with nationwide municipal elections in 2003 and continuing through Majles elections in 2004, conservatives reestablished control over Iran's elected government institutions, which culminated with the August 2005 inauguration of hardliner Mahmud AHMADI-NEJAD as president. His controversial reelection in June 2009 sparked nationwide protests over allegations of electoral fraud. These protests were quickly suppressed, and the political opposition that arose as a consequence of AHMADI-NEJAD's election was repressed. Deteriorating economic conditions due primarily to government mismanagement and international sanctions prompted at least two major economically based protests in July and October 2012, but Iran's internal security situation remained stable. President AHMADI-NEJAD's independent streak angered regime establishment figures, including the Supreme Leader, leading to conservative opposition to his agenda for the last year of his presidency, and an alienation of his political supporters. In June 2013 Iranians elected a moderate conservative cleric, Dr. Hasan Fereidun RUHANI to the presidency. He is a longtime senior member in the regime, but has made promises of reforming society and Iran's foreign policy. The UN Security Council has passed a number of resolutions calling for Iran to suspend its uranium enrichment and reprocessing activities and comply with its IAEA obligations and responsibilities, and in July 2015 Iran and the five permanent members, plus Germany (P5+1) signed the Joint Comprehensive Plan of Action (JCPOA) under which Iran agreed to restrictions on its nuclear program in exchange for sanctions relief.
Middle East, bordering the Gulf of Oman, the Persian Gulf, and the Caspian Sea, between Iraq and Pakistan
32 00 N, 53 00 E
Middle East
total: 1,648,195 sq km
land: 1,531,595 sq km
water: 116,600 sq km
almost 2.5 times the size of Texas; slightly smaller than Alaska
total: 5,894 km
border countries (7): Afghanistan 921 km, Armenia 44 km, Azerbaijan 689 km, Iraq 1,599 km, Pakistan 959 km, Turkey 534 km, Turkmenistan 1,148 km
2,440 km; note - Iran also borders the Caspian Sea (740 km)
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: bilateral agreements or median lines in the Persian Gulf
continental shelf: natural prolongation
mostly arid or semiarid, subtropical along Caspian coast
rugged, mountainous rim; high, central basin with deserts, mountains; small, discontinuous plains along both coasts
mean elevation: 1,305 m
elevation extremes: lowest point: Caspian Sea -28 m
highest point: Kuh-e Damavand 5,671 m
petroleum, natural gas, coal, chromium, copper, iron ore, lead, manganese, zinc, sulfur
agricultural land: 30.1%
arable land 10.8%; permanent crops 1.2%; permanent pasture 18.1%
forest: 6.8%
other: 63.1% (2011 est.)
95,530 sq km (2012)
137 cu km (2011)
total: 93.3 cu km/yr (7%/1%/92%)
per capita: 1,306 cu m/yr (2004)
periodic droughts, floods; dust storms, sandstorms; earthquakes
air pollution, especially in urban areas, from vehicle emissions, refinery operations, and industrial effluents; deforestation; overgrazing; desertification; oil pollution in the Persian Gulf; wetland losses from drought; soil degradation (salination); inadequate supplies of potable water; water pollution from raw sewage and industrial waste; urbanization
party to: Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Desertification, Endangered Species, Hazardous Wastes, Marine Dumping, Ozone Layer Protection, Ship Pollution, Wetlands
signed, but not ratified: Environmental Modification, Law of the Sea, Marine Life Conservation
strategic location on the Persian Gulf and Strait of Hormuz, which are vital maritime pathways for crude oil transport
noun: Iranian(s)
adjective: Iranian
Persian, Azeri, Kurd, Lur, Baloch, Arab, Turkmen and Turkic tribes
Persian (official), Azeri Turkic and Turkic dialects, Kurdish, Gilaki and Mazandarani, Luri, Balochi, Arabic, other
Muslim (official) 99.4% (Shia 90-95%, Sunni 5-10%), other (includes Zoroastrian, Jewish, and Christian) 0.3%, unspecified 0.4% (2011 est.)
81,824,270 (July 2015 est.)
0-14 years: 23.69% (male 9,937,715/female 9,449,716)
15-24 years: 17.58% (male 7,386,826/female 6,998,188)
25-54 years: 46.87% (male 19,534,794/female 18,817,480)
55-64 years: 6.58% (male 2,650,049/female 2,731,997)
65 years and over: 5.28% (male 1,990,961/female 2,326,544) (2015 est.)
total dependency ratio: 40.2%
youth dependency ratio: 33.1%
elderly dependency ratio: 7.1%
potential support ratio: 14.1% (2015 est.)
total: 28.8 years
male: 28.6 years
female: 29.1 years (2015 est.)
1.2% (2015 est.)
17.99 births/1,000 population (2015 est.)
5.94 deaths/1,000 population (2015 est.)
-0.07 migrant(s)/1,000 population (2015 est.)
urban population: 73.4% of total population (2015)
rate of urbanization: 2.07% annual rate of change (2010-15 est.)
TEHRAN (capital) 8.432 million; Mashhad 3.014 million; Esfahan 1.88 million; Karaj 1.807 million; Shiraz 1.661 million; Tabriz 1.572 million (2015)
at birth: 1.05 male(s)/female
0-14 years: 1.05 male(s)/female
15-24 years: 1.06 male(s)/female
25-54 years: 1.04 male(s)/female
55-64 years: 0.97 male(s)/female
65 years and over: 0.86 male(s)/female
total population: 1.03 male(s)/female (2015 est.)
25 deaths/100,000 live births (2015 est.)
total: 38.04 deaths/1,000 live births
male: 38.58 deaths/1,000 live births
female: 37.48 deaths/1,000 live births (2015 est.)
total population: 71.15 years
male: 69.56 years
female: 72.82 years (2015 est.)
1.83 children born/woman (2015 est.)
77.4% (2010/11)
6.7% of GDP (2013)
0.89 physicians/1,000 population (2005)
0.1 beds/1,000 population (2012)
improved:
urban: 97.7% of population
rural: 92.1% of population
total: 96.2% of population
unimproved:
urban: 2.3% of population
rural: 7.9% of population
total: 3.8% of population (2015 est.)
improved:
urban: 92.8% of population
rural: 82.3% of population
total: 90% of population
unimproved:
urban: 7.2% of population
rural: 17.7% of population
total: 10% of population (2015 est.)
0.14% (2014 est.)
74,400 (2014 est.)
4,100 (2014 est.)
degree of risk: intermediate
food or waterborne diseases: bacterial diarrhea
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CIA - The World Factbook: Iran
- How to Avoid Disaster in the Next Iran War - Foreign Policy - October 6th, 2026 [October 6th, 2026]
- Iran drone plot fears led US to remove bombers from UK base, US officials say - Reuters - October 6th, 2026 [October 6th, 2026]
- The U.S. Military Struggles to Protect Its Bases Amid Failing Iran War - The Intercept - October 6th, 2026 [October 6th, 2026]
- Most families of US troops killed in the Iran war's deadliest attack weren't at White House event - AP News - October 6th, 2026 [October 6th, 2026]
- Most families of US troops killed in the Iran war's deadliest attack weren't at White House event - WKMG - October 6th, 2026 [October 6th, 2026]
- Trump backed Iran into a corner. The regime isnt blinking - CNN - October 6th, 2026 [October 6th, 2026]
- Trump suggests Iran could 'take out' Los Angeles and San Diego if it develops nuclear weapons - ABC News - Breaking News, Latest News and Videos - October 6th, 2026 [October 6th, 2026]
- Let them take out Los Angeles': President Trump defends ongoing war with Iran - NBC Los Angeles - October 6th, 2026 [October 6th, 2026]
- Iran Faces Severe Challenges to Rebuild Missile and Drone Production - War on the Rocks - October 6th, 2026 [October 6th, 2026]
- Soldiers Wounded in Iran Say DOD Made Them Get Their Own Treatment - The New Republic - October 6th, 2026 [October 6th, 2026]
- Deranged and dangerous Trump calls for Iran to strike US cities amid historic ratings low | First Thing - The Guardian - October 6th, 2026 [October 6th, 2026]
- What to know as the fighting in Yemen escalates while US-Iran tensions remain high - AP News - October 6th, 2026 [October 6th, 2026]
- Will the Iran war cost Trump in the US midterm elections? Your questions answered - The Guardian - October 6th, 2026 [October 6th, 2026]
- President Trump says Iran can take out Los Angeles and San Diego as he defends war - East Bay Times - October 6th, 2026 [October 6th, 2026]
- Iran is losing thats why we should expect and prepare for more terrorist attacks - The Hill - October 6th, 2026 [October 6th, 2026]
- Most families of US troops killed in the Iran wars deadliest attack wont be at White House event - The Boston Globe - October 6th, 2026 [October 6th, 2026]
- Trump Condemned for Invoking Nuclear Attacks on US Cities to Defend Iran War - Truthout - October 6th, 2026 [October 6th, 2026]
- Iranian Regimes Judiciary Warns Against Angering the Public Amid Economic Stress - National Council of Resistance of Iran - NCRI - October 6th, 2026 [October 6th, 2026]
- Qatar says US, Iran still in talks to end war - Arab News - October 6th, 2026 [October 6th, 2026]
- Iran Awaits US Reply as WSJ Reports Trump Rejected Hormuz Proposal - . . - September 26th, 2026 [September 26th, 2026]
- Exclusive | Trump Rejects Iran Ceasefire, Expects Renewed Bombing After Midterms - WSJ - September 26th, 2026 [September 26th, 2026]
- US official claims Trump holds all the cards in Iran talks - Al Jazeera - September 26th, 2026 [September 26th, 2026]
- Iran war live: Tehran offers US plan to reopen Hormuz within seven days - Al Jazeera - September 26th, 2026 [September 26th, 2026]
- Pentagon quietly adds dozens to tally of troops wounded amid Iran war - The Washington Post - September 26th, 2026 [September 26th, 2026]
- Trump asks Xi to stop helping Iran - The Telegraph - September 26th, 2026 [September 26th, 2026]
- US and Iran want a deal, but neither wants to move first - Iran International - September 26th, 2026 [September 26th, 2026]
- Chris Hayes: GOP puts Trump ahead of voters on politically toxic Iran war - MS NOW - September 26th, 2026 [September 26th, 2026]
- Iran offers to reopen Strait of Hormuz within 7 days and restart nuclear talks - CNBC - September 26th, 2026 [September 26th, 2026]
- In Iran, Talk of Whether to Build a Nuclear Bomb Bursts Into the Open - WSJ - September 26th, 2026 [September 26th, 2026]
- Iran proposes a deal to reopen the Strait of Hormuz in 7 days if the US meets its conditions - AP News - September 26th, 2026 [September 26th, 2026]
- Why the Gulf Wants Trump to Hold the Line on Iran - WSJ - September 26th, 2026 [September 26th, 2026]
- Mike Pompeo reacts to Iran's proposed plan to end the war - Fox News - September 26th, 2026 [September 26th, 2026]
- Oil prices back up as U.S. and Iran trade fresh threats to expand 7-month war - CBS News - September 26th, 2026 [September 26th, 2026]
- As Houthis capitalize on U.S.-led war with Iran, fighting engulfs Yemen - The Washington Post - September 26th, 2026 [September 26th, 2026]
- Iran says it has given the US a "concrete" seven-day plan to reopen the Strait of Hormuz. - Sky News - September 26th, 2026 [September 26th, 2026]
- Iran leader says "everything will return to the way it was" if U.S. recommits to terms in June deal - CBS News - September 26th, 2026 [September 26th, 2026]
- Iran pitches seven-day roadmap to end conflict with US - Al Jazeera - September 26th, 2026 [September 26th, 2026]
- Miliband tells Iran minister UK will not tolerate 'hostile activity' on British soil - BBC - September 26th, 2026 [September 26th, 2026]
- Pact with Saudi and Pakistan could expand to Muslim world, Iran, Turkish speaker says - reuters.com - September 26th, 2026 [September 26th, 2026]
- Iran war drives UK diesel price to near record high, and makes interest rate rise hard to avoid as it happened - The Guardian - September 26th, 2026 [September 26th, 2026]
- Exclusive | A U.S. Arm-Twisting Campaign Is Cutting Iran Off From the Rest of the World - WSJ - September 26th, 2026 [September 26th, 2026]
- Iran has suggested a deal to reopen the Strait of Hormuz in 7 days - PBS - September 26th, 2026 [September 26th, 2026]
- Iran threatens regional air travel as US sanctions cut its flight links - Iran International - September 26th, 2026 [September 26th, 2026]
- Oil prices fall as Iran says it is open to diplomacy to end the war - Reuters - September 24th, 2026 [September 24th, 2026]
- Oil falls on report Asia will import highest volume of crude since start of Iran war - CNBC - September 24th, 2026 [September 24th, 2026]
- Brent Holds Above $102 as Iran Talks Stall Over Hormuz Conditions - Crude Oil Prices Today | OilPrice.com - September 24th, 2026 [September 24th, 2026]
- Trump-Xi meeting comes amid tensions on Iran, Taiwan and trade: What to know - ABC News - Breaking News, Latest News and Videos - September 24th, 2026 [September 24th, 2026]
- Watch: What messages did the US and Iran send about the war? - BBC - September 24th, 2026 [September 24th, 2026]
- The U.S. economy before and after the Iran war, in five charts - NBC News - September 24th, 2026 [September 24th, 2026]
- Why a Growing Number of Republicans Are Breaking With Trump on Iran - Time Magazine - September 24th, 2026 [September 24th, 2026]
- Its time to move on: At-risk Republicans want Trumps Iran war to end - ms.now - September 24th, 2026 [September 24th, 2026]
- Trump Threatened to Annihilate Iran. Some Republicans Want Out. - U.S. News & World Report - September 24th, 2026 [September 24th, 2026]
- We did not bend the knee: At UN, Pezeshkian says Iran and Gaza committed to resistance - The Times of Israel - September 24th, 2026 [September 24th, 2026]
- Iran-US war latest: Trump threatens to blow the entire nation up after Tehran warns of painful strikes - The Independent - September 24th, 2026 [September 24th, 2026]
- Iran's president tells Trump it will never 'bend the knee' - BBC - September 24th, 2026 [September 24th, 2026]
- Trump Threatens Annihilation in Iran in UN Speech and Lays Out Winner-Takes-All Vision - The New York Times - September 24th, 2026 [September 24th, 2026]
- Defending reporter ban, Justice Department argues stories on Trumps ballroom project, Iran war threaten national security - CNN - September 24th, 2026 [September 24th, 2026]
- In defiant speech, Pezeshkian calls out Trump and says Iran will fight until our last breath - AP News - September 24th, 2026 [September 24th, 2026]
- At the U.N., Iran Says It Will Not Give Up Its Nuclear Program - The New York Times - September 24th, 2026 [September 24th, 2026]
- Michigan student confronts El-Sayed over Iran stance in tense exchange: Do you stand with us? - Fox News - September 24th, 2026 [September 24th, 2026]
- Michigan Republicans break with Trump on Iran, AI and data centers - NBC News - September 24th, 2026 [September 24th, 2026]
- Iran vows no surrender to US while Ukraine threatens painful winter for Russia - as it happened - Reuters - September 24th, 2026 [September 24th, 2026]
- Trumps threat to annihilate Iran to UN general assembly is stunning, even for him | Donald Trump - The Guardian - September 24th, 2026 [September 24th, 2026]
- Trump says Iran deal nearing after UN talks as Tehran sets conditions to reopen Strait of Hormuz - Fox News - September 24th, 2026 [September 24th, 2026]
- Trumps Iran threat at the U.N. and Ole Miss students found dead: Morning Rundown - NBC News - September 24th, 2026 [September 24th, 2026]
- Iran ready to reopen Strait of Hormuz if US eases military pressure and lifts blockade - Reuters - September 24th, 2026 [September 24th, 2026]
- Trump praises Burnham despite tensions over AI, Chagos Islands and Iran - The Guardian - September 24th, 2026 [September 24th, 2026]
- Sen. Jon Husted: Iran war needs to come to an end as quickly as possible - Politico - September 24th, 2026 [September 24th, 2026]
- Iran's president delivers wartime address at UN: We have been 'victims of terrorism' - KSL News - September 24th, 2026 [September 24th, 2026]
- Iran and US have held talks on sidelines of UN summit, says Donald Trump - The Guardian - September 24th, 2026 [September 24th, 2026]
- Iran president tells UN we will never bow our head as US walks out - The Hill - September 24th, 2026 [September 24th, 2026]
- Pentagon watchdog says Iran war has led to munitions shortfall - NBC News - September 15th, 2026 [September 15th, 2026]
- Iran balks at Trump's openness to restarting peace talks - Fox News - September 15th, 2026 [September 15th, 2026]
- US imposes fresh sanctions on Russia's VTB Bank over alleged Iran ties - Reuters - September 15th, 2026 [September 15th, 2026]
- Saudi Arabia built the East-West pipeline in case Iran closed Hormuz. Militias still blasted it - Fortune - September 15th, 2026 [September 15th, 2026]
- Iran and the Emerging Security Order in the Middle East - csis.org - September 15th, 2026 [September 15th, 2026]
- Iran war coverage led to firings at Stars and Stripes, former publisher says - Politico - September 15th, 2026 [September 15th, 2026]
- I Have a Theory About Who Leaked a Story About Iran, and It Rhymes With A.P. Mance - slate.com - September 15th, 2026 [September 15th, 2026]
- U.S. Air Force officer shot down in Iran says he prayed while "free-falling" to the ground behind enemy lines - CBS News - September 15th, 2026 [September 15th, 2026]
- Get ready for a 30% jump in heating oil costs this winter as Iran war drives up prices - CNN - September 15th, 2026 [September 15th, 2026]