Population:

10,111,337 (July 2008 est.)

Age structure:

0-14 years: 47% (male 2,408,638/female 2,346,984)
15-64 years: 50.1% (male 2,317,406/female 2,746,104)
65 years and over: 2.9% (male 123,561/female 168,644) (2008 est.)

Median age:

total: 16.4 years
male: 15.2 years
female: 17.5 years (2008 est.)

Population growth rate:

2.195% (2008 est.)

Birth rate:

41.61 births/1,000 population (2008 est.)

Death rate:

16.39 deaths/1,000 population (2008 est.)

Net migration rate:

-3.27 migrant(s)/1,000 population (2008 est.)

Sex ratio:

at birth: 1.04 male(s)/female
under 15 years: 1.03 male(s)/female
15-64 years: 0.84 male(s)/female
65 years and over: 0.73 male(s)/female
total population: 0.92 male(s)/female (2008 est.)

Infant mortality rate:

total: 100.36 deaths/1,000 live births
male: 106.48 deaths/1,000 live births
female: 94 deaths/1,000 live births (2008 est.)

Life expectancy at birth:

total population: 47.43 years
male: 46.4 years
female: 48.5 years (2008 est.)

Total fertility rate:

5.43 children born/woman (2008 est.)

HIV/AIDS - adult prevalence rate:

4.8% (2003 est.)

HIV/AIDS - people living with HIV/AIDS:

200,000 (2003 est.)

HIV/AIDS - deaths:

18,000 (2003 est.)

Major infectious diseases:

degree of risk: very high
food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne disease: malaria
water contact disease: schistosomiasis
respiratory disease: meningococcal meningitis (2008)

Nationality:

noun: Chadian(s)
adjective: Chadian

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

Literacy:

definition: age 15 and over can read and write French or Arabic
total population: 25.7%
male: 40.8%
female: 12.8% (2000 est.)