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Iran

IR

Western Asia

Iran is home to 11 documented ethnic groups in Western Asia — led by Persian (~55%), Iranian Azerbaijani (~19%), Kurd (~10%), Lur (~6%). This page blends their phenotype and demographic data into one weighted reference: skin tone, facial features, hair texture and build, drawn from published census and ancestry sources.

Demographic Composition

Composition weights are derived from self-identification in published census and demographic surveys. Each row links to the source ethnic-group atlas page.

Ethnic groupWeightSource
PersianPersian55.0%Estimated from Statistical Center of Iran 2016 Census plus academic and CIA World Factbook estimates; Iran does not directly enumerate ethnicity in census instruments. Persian (Fars) (~61%, ~52M+) is the dominant ethno-linguistic identification — Persian-language-speaking and predominantly Twelver Shia Muslim. Concentrated in central Iran (Tehran, Isfahan, Fars, Yazd, Kerman provinces)
Iranian AzerbaijaniIranian Azerbaijani19.0%Estimates; Iranian Azerbaijani (~19%, ~16M+); concentrated in northwestern Iran (East Azerbaijan, West Azerbaijan, Ardabil, Zanjan provinces) plus the substantial Iranian-Azerbaijani community of Tehran. The Iranian Azerbaijani population is the second-largest Azerbaijani population globally (vs ~9.2M in Azerbaijan itself, separately enumerated under AZ). Predominantly Twelver Shia Muslim. Cross-border population shared with Azerbaijan
KurdKurd10.0%Estimates; Iranian Kurds (~10%, ~8.5M+); concentrated in western Iran (Kurdistan, West Azerbaijan, Kermanshah, Ilam provinces). Cross-border population shared with Iraqi Kurdistan (~6M+), Syrian Kurds (~2-3M+), Turkish Kurds (~16-20M+), and the broader Kurdish diaspora — totaling approximately 30-45M+ Kurds globally. The Kurdish languages are part of the Northwestern Iranian branch of Indo-Iranian
LurLur6.0%Estimates; Lur (~6%, ~5M+); concentrated in southwestern Iran (Lorestan, Khuzestan, Chaharmahal and Bakhtiari, Kohgiluyeh and Boyer-Ahmad provinces). Iranian-language community
Iran OtherIran Other2.9%Estimates residual; includes Talysh, Tat, Gilaki, Mazandarani (the Caspian-region Iranian-language sub-populations are sometimes enumerated as distinct from Persian, sometimes as Persian sub-populations), Iranian Jewish (~9,000+, the longest continuous Jewish community globally with documented presence since 6th c. BCE; substantially reduced from ~80,000+ in 1948 through post-1948 emigration to Israel), Armenian (~150,000+, the historic Armenian community), Iranian Pashtun, Hazara (Afghan refugee population), Brahui, plus other smaller groups
Iranian ArabIranian Arab2.0%Estimates; Iranian Arabs (~2%, ~1.7M+); concentrated in Khuzestan Province (the southwestern Iranian region along the Iraqi border) plus the Persian Gulf coast. Cross-border population
Baluch IranBaluch Iran2.0%Estimates; Iranian Baluch (~2%, ~1.7M+); concentrated in Sistan and Baluchestan Province in southeastern Iran. Cross-border population shared with Pakistan
Iranian TurkmenIranian Turkmen2.0%Estimates; Iranian Turkmen (~2%, ~1.5M+); concentrated in northeastern Iran (Golestan, North Khorasan provinces). Cross-border population shared with Turkmenistan
QashqaiQashqai1.0%Estimates; Qashqai (~1%, ~1M+); concentrated in southwestern Iran (Fars, Khuzestan, Bushehr provinces). Turkic-language pastoral-nomadic confederation
AssyrianAssyrian0.1%Estimates; Iranian Assyrians (~0.05-0.1%, ~10,000-20,000+); concentrated in West Azerbaijan (Urmia region) and Tehran. The historic Christian Assyrian community of Iran has been substantially reduced through 20th-c. demographic disruption (the 1914-1918 Sayfo / Assyrian genocide perpetrated by Ottoman and Kurdish forces affected the Iranian Urmia region) and post-1979 emigration. Aramaic-language Christian community
MandaeanMandaean0.0%Estimates; Iranian Mandaeans (Sabean Mandaeans) (~5,000-15,000+); concentrated in Khuzestan Province along the Karun River. Mandaean is an ancient Gnostic religious tradition with John the Baptist as a central prophet figure; the Mandaean community uses Mandaic (a Aramaic-derived language) for religious purposes. The community has been substantially reduced through post-1979 emigration to the United States, Australia, and elsewhere

Iran Phenotype Profile

Iran's population reflects approximately 4,000+ years of population processes anchored on the Indo-European Iranian-language migration into the Iranian Plateau plus the Indigenous pre-Iranian substrate (Elamite, Lullubi, and other pre-Iranian populations). The contemporary distribution: Persian (~61%, the dominant ethno-linguistic identification), Iranian Azerbaijani (~19%), Kurd (~10%), Lur (~6%), Iranian Arab (~2%), Baluch (~2%), Iranian Turkmen (~2%), Qashqai (~1%), plus smaller communities including the historic Christian Armenian and Assyrian, the historic Jewish, the Zoroastrian (Parsi), the Mandaean, and other communities (~3% combined). The country is approximately 90-95% Twelver Shia Muslim with substantial Sunni Muslim sub-populations (predominantly Kurd, Baluch, Turkmen, plus Sunni Persian sub-populations) plus religious-minority communities. The post-1979 Islamic Republic has produced substantial emigration of religious and political minorities including substantial Iranian Bahá'í diaspora.

Genome-wide studies place Iranian populations as showing characteristic Iranian / West Eurasian source-population ancestry with substantial regional and sub-population variation. Skin tone across the population spans Fitzpatrick II-V with III-IV the modal value nationally — substantial regional variation from Fitzpatrick II in northern Iran (Caspian-coast and northwestern Azerbaijani-Iranian populations) to Fitzpatrick IV-V in southwestern (Khuzestan Arab and Lur populations) and southern (Bandari coastal populations with substantial Indian-Ocean-trade-period East African and South Asian admixture) regions. Hair texture is most often straight to wavy with some curly variants in Kurdish and broader West Asian populations. Hair color is predominantly dark brown to black with non-trivial frequencies of medium brown and rarely lighter shades. Eye color is predominantly brown with elevated frequencies of hazel, green, and rarely blue variants. Facial features and build show characteristic Iranian / West Asian source-population features.

A descriptive view, not a claim about individuals

This page shows a weighted aggregate of phenotype observations across the Iran population, based on demographic composition from published census and ancestry sources. Phenotypes within any country are far more varied than the aggregate suggests; this is a descriptive reference, not a deterministic claim about any individual. For source-level detail on individual ethnic groups, see the constituent atlas pages linked below.

Methodology Notes

Composition weights are estimated based on the Statistical Center of Iran 2016 Census plus international demographic estimates (CIA World Factbook, academic studies). Iran does not directly enumerate ethnicity in census instruments — Iranian census data covers nationality, religion, and demographic characteristics but not ethnic-group affiliation. The 61% Persian / 19% Azerbaijani / 10% Kurdish / 6% Lur / 2% Arab / 2% Baluch / 2% Turkmen / 1% Qashqai distribution is an academic-consensus estimate. Caveats: (1) the Persian / Iranian-Azerbaijani / Lur / Caspian-region distinction is socially fluid given linguistic-cultural overlaps; (2) the substantial Afghan refugee population in Iran (~3-4M+) is partially captured in 'iran-other' but produces demographic complexity; (3) the post-1979 emigration of approximately 5-7M+ Iranians has substantially reduced source-country population from earlier projections; (4) the post-1979 anti-Bahá'í persecution has produced substantial Bahá'í emigration to the United States, Canada, Western Europe, and elsewhere.

See full project methodology →

Primary Sources

  1. 1.Statistical Center of Iran. National Population and Housing Census 2016. Tehran: SCI; 2017.
  2. 2.Yarshater E (ed). Encyclopædia Iranica (vols 1-16, online continuing). Columbia University; 1985-present.
  3. 3.Cole JRI (ed). The Cambridge History of Iran. Cambridge University Press; multiple volumes 1968-1991.
  4. 4.Yunusbayev B, Metspalu M, Metspalu E, et al. The Caucasus as an asymmetric semipermeable barrier to ancient human migrations. Mol Biol Evol. 2012;29(1):359-365.
  5. 5.Daniel EL, Mahdi AA. Culture and Customs of Iran. Greenwood; 2006.

Other countries in Western Asia

Aggregate phenotype references for neighbouring Western Asia nations, weighted by demographic composition.

Browse all Western Asiaethnic groups & countries →