Population 65,875,000 (2008 estimate)
Ethnic Groups:Persian 51%
Azeri 24%
Gilaki and Mazandarani 8%
Kurd 7%
Arab 3%
Lur 2%
Baloch 2%
Turkmen 2%
Other 1%
Religions:Muslim 98%
(Shi'a 89%, Sunni 9%)
Zoroastrian, Jewish, Christian, Baha'i and others 2%
Languages:Persian 58%
Turkic dialects 26%
Kurdish 9%
Luri 2%
Balochi 1%
Arabic 1%
Turkish 1%
Other 2%