Age Structure 0-14 years:
47.3% (male 2,366,496/female 2,308,155)
Age Structure 15-64 years:
49.8% (male 2,250,211/female 2,676,076)
Age Structure 65 years and over:
2.9% (male 120,666/female 164,057) (2007 est.)
Median Age - total:
16.3 years
Median Age - male:
15 years
Median Age - female:
17.4 years (2007 est.)
Population Growth Rate:
2.32% (2007 est.)
Birth Rate:
42.35 births/1,000 population (2007 est.)
Death Rate:
16.69 deaths/1,000 population (2007 est.)
Net Migration Rate:
-2.46 migrant(s)/1,000 population (2007 est.)
Sex Ratio - at birth:
1.04 male(s)/female
Sex Ratio - under 15 years:
1.025 male(s)/female
Sex Ratio - 15-64 years:
0.841 male(s)/female
Sex Ratio - 65 years and over:
0.736 male(s)/female
Sex Ratio - total population:
0.92 male(s)/female (2007 est.)
Life Expectancy at Birth - total:
47.2 years
Life Expectancy at Birth - male:
46.17 years
Life Expectancy at Birth - female:
48.27 years (2007 est.)
Major Infectious Diseases:
food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever; vectorborne disease: malaria
Nationality:
Chadian(s)
Ethnic Groups:
Sara 27.7%, Arab 12.3%, Mayo-Kebbi 11.5%, Kanem-Bornou 9%, Ouaddai 8.7%, Hadjarai 6.7%, Tandjile 6.5%, Gorane 6.3%, Fitri-Batha 4.7%, other 6.4%, unknown 0.3% (1993 census)
Religions:
Muslim 53.1%, Catholic 20.1%, Protestant 14.2%, animist 7.3%, other 0.5%, unknown 1.7%, atheist 3.1% (1993 census)
Languages:
French (official), Arabic (official), Sara (in south), more than 120 different languages and dialects