Population: 66,429,284 (July 2009 est.)
Age structure: 0-14 years: 21.7% (male 7,394,841/female 7,022,076) 15-64 years: 72.9% (male 24,501,544/female 23,914,172) 65 years and over: 5.4% (male 1,725,828/female 1,870,823) (2009 est.)
Median age: total: 27 years male: 26.8 years female: 27.2 years (2009 est.)
Population growth rate: 0.883% (2009 est.)
Death rate: 5.69 deaths/1,000 population (2008 est.)
Net migration rate: -2.62 migrant(s)/1,000 population (2009 est.)
Sex ratio: at birth: 1.05 male(s)/female under 15 years: 1.05 male(s)/female 15-64 years: 1.02 male(s)/female 65 years and over: 0.92 male(s)/female total population: 1.02 male(s)/female (2009 est.)
Infant mortality rate: total: 35.78 deaths/1,000 live births male: 35.98 deaths/1,000 live births female: 35.56 deaths/1,000 live births (2009 est.)
Life expectancy at birth: total population: 71.14 years male: 69.65 years female: 72.72 years (2009 est.)
Total fertility rate: 1.71 children born/woman (2009 est.)
HIV/AIDS - adult prevalence rate: 0.2% (2007 est.)
HIV/AIDS - people living with HIV/AIDS: 86,000 (2007 est.)
HIV/AIDS - deaths: 4,300 (2007 est.)
Nationality: noun: Iranian(s) adjective: Iranian
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% (Shia 89%, Sunni 9%), other (includes Zoroastrian, Jewish, Christian, and Baha'i) 2%
Languages: Persian and Persian dialects 58%, Turkic and Turkic dialects 26%, Kurdish 9%, Luri 2%, Balochi 1%, Arabic 1%, Turkish 1%, other 2%
Literacy: definition: age 15 and over can read and write total population: 77% male: 83.5% female: 70.4% (2002 est.)