People of Afghanistan

Population	31,889,923 (2007 estimate)
Population density	49 persons per sq km 128 persons per sq mi (2007 estimate)
Urban population distribution	23 percent (2003 estimate)
Rural population distribution	77 percent (2003 estimate)
Largest cities, with population	Kabul, 2,678,000 (2003 estimate) Kandahār, 225,500 (1988 estimate) Herāt, 177,300 (1988 estimate)
Main language	Afghan Persian (Dari)
Chief religious affiliations	Sunni Muslim, 84 percent Shia Muslim, 15 percent Other, 1 percent
Life expectancy	43.8 years (2007 estimate)
Infant mortality rate	157 deaths per 1,000 live births (2007 estimate)
Literacy rate	36.3 percent (2000)