Population: 41,087,825 (July 2009 est.)
Age structure: 0-14 years: 40.7% (male 8,535,551/female 8,173,616) 15-64 years: 56.8% (male 11,745,683/female 11,603,906) 65 years and over: 2.5% (male 532,968/female 496,101) (2009 est.)
Median age: total: 19.1 years male: 18.9 years female: 19.2 years (2009 est.)
Population growth rate: 2.143% (2009 est.)
Death rate: 13.64 deaths/1,000 population (2008 est.)
Net migration rate: 0.63 migrant(s)/1,000 population (2009 est.)
Sex ratio: at birth: 1.05 male(s)/female under 15 years: 1.04 male(s)/female 15-64 years: 1.01 male(s)/female 65 years and over: 1.07 male(s)/female total population: 1.03 male(s)/female (2009 est.)
Infant mortality rate: total: 82.43 deaths/1,000 live births male: 82.48 deaths/1,000 live births female: 82.37 deaths/1,000 live births (2009 est.)
Life expectancy at birth: total population: 51.42 years male: 50.49 years female: 52.4 years (2009 est.)
Total fertility rate: 4.48 children born/woman (2009 est.)
HIV/AIDS - adult prevalence rate: 1.4% (2007 est.)
HIV/AIDS - people living with HIV/AIDS: 320,000 (2007 est.)
HIV/AIDS - deaths: 25,000 (2007 est.)
Nationality: noun: Sudanese (singular and plural) adjective: Sudanese
Ethnic groups: black 52%, Arab 39%, Beja 6%, foreigners 2%, other 1%
Religions: Sunni Muslim 70% (in north), Christian 5% (mostly in south and Khartoum), indigenous beliefs 25%
Languages: Arabic (official), English (official), Nubian, Ta Bedawie, diverse dialects of Nilotic, Nilo-Hamitic, Sudanic languages note: program of "Arabization" in process
Literacy: definition: age 15 and over can read and write total population: 61.1% male: 71.8% female: 50.5% (2003 est.)