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Ethnic groups
Iran is a culturally diverse society, and interethnic relations are generally amicable. The predominant ethnic and cultural group in the country consists of native speakers of Persian. But the people who are generally known as Persians are of mixed ancestry, and the country has important Turkic and Arab elements in addition to the Kurds, Baloch, Bakhtyārī, Lurs, and other smaller minorities (Armenians, Assyrians, Jews, Brahuis, and others). The Persians, Kurds, and speakers of other Indo-European languages in Iran are descendants of the Aryan tribes that began migrating from Central Asia into what is now Iran in the 2nd millennium bce. Those of Turkic ancestry are the progeny of tribes that appeared in the region—also from Central Asia—beginning in the 11th century ce, and the Arab minority settled predominantly in the country’s southwest (in Khūzestān, a region also known as Arabistan) following the Islamic conquests of the 7th century. Like the Persians, many of Iran’s smaller ethnic groups chart their arrival into the region to ancient times.
The Kurds have been both urban and rural (with a significant portion of the latter at times nomadic), and they are concentrated in the western mountains of Iran. This group, which constitutes only a small proportion of Iran’s population, has resisted the Iranian government’s efforts, both before and after the revolution of 1979, to assimilate them into the mainstream of national life and, along with their fellow Kurds in adjacent regions of Iraq and Turkey, has sought either regional autonomy or the outright establishment of an independent Kurdish state in the region.
Also inhabiting the western mountains are seminomadic Lurs, thought to be the descendants of the aboriginal inhabitants of the country. Closely related are the Bakhtyārī tribes, who live in the Zagros Mountains west of Eṣfahān. The Baloch are a smaller minority who inhabit Iranian Baluchistan, which borders on Pakistan.
The largest Turkic group is the Azerbaijanis, a farming and herding people who inhabit the border provinces in the northwestern corner of Iran. Two other Turkic ethnic groups are the Qashqāʾī, in the Shīrāz area to the north of the Persian Gulf, and the Turkmen, of Khorāsān in the northeast.
The Armenians, with a different ethnic heritage, are concentrated in Tehrān, Eṣfahān, and the Azerbaijan region. A community of Georgians is centered on and around the city of Fereydūnshahr, in Eṣfahān province. A few isolated groups speaking Dravidian dialects are found in the Sīstān region to the southeast.
Semites—Jews, Assyrians, and Arabs—constitute only a small percentage of the population. The Jews trace their heritage in Iran to the Babylonian Exile of the 6th century bce and, like the Armenians, have retained their ethnic, linguistic, and religious identity. Both groups traditionally have clustered in the largest cities. The Assyrians are concentrated in the northwest, and the Arabs live in Khūzestān as well as in the Persian Gulf islands.
Languages of Iran
Although Persian (Farsi) is the predominant and official language of Iran, a number of languages and dialects from three language families—Indo-European, Altaic, and Afro-Asiatic—are spoken.
Roughly three-fourths of Iranians speak one of the Indo-European languages. Slightly more than half the population speak a dialect of Persian, an Iranian language of the Indo-Iranian group. Literary Persian, the language’s more refined variant, is understood to some degree by most Iranians. Persian is also the predominant language of literature, journalism, and the sciences. Less than one-tenth of the population speaks Kurdish. The Lurs and Bakhtyārī both speak Lurī, a language distinct from, but closely related to, Persian. Armenian, a single language of the Indo-European family, is spoken only by the Armenian minority.
The Altaic family is represented overwhelmingly by the Turkic languages, which are spoken by roughly one-fourth of the population; most speak Azerbaijani, a language similar to modern Turkish. The Turkmen language, another Turkic language, is spoken in Iran by only a small number of Turkmen.
Of the Semitic languages—from the Afro-Asiatic family—Arabic is the most widely spoken, but only a small percentage of the population speaks it as a native tongue. The main importance of the Arabic language in Iran is historical and religious. Following the Islamic conquest of Persia, Arabic virtually subsumed Persian as a literary tongue. Since that time Persian has adopted a large number of Arabic words—perhaps one-third or more of its lexicon—and borrowed grammatical constructions from Classical and, in some instances, colloquial Arabic. Under the monarchy, efforts were made to purge Arabic elements from the Persian language, but these met with little success and ceased outright following the revolution. Since that time, the study of Classical Arabic, the language of the Qurʾān, has been emphasized in schools, and Arabic remains the predominant language of learned religious discourse.
Before 1979, English and French, and to a lesser degree German and Russian, were widely used by the educated class. European languages are used less commonly but are still taught at schools and universities.