Nigeria

Population:
128,771,988 (July 2005 est.)

Age structure:
0-14 years: 42.3% (male 27,466,766/female 27,045,092)
15-64 years: 54.6% (male 35,770,593/female 34,559,414)
65 years and over: 3.1% (male 1,874,157/female 2,055,966)
(2005 est.)
Median age:
total: 18.63 years
male: 18.71 years
female: 18.55 years (2005 est.)

Population growth rate:
2.37% (2005 est.)
Birth rate:
40.65 births/1,000 population (2005 est.)
Death rate:
17.18 deaths/1,000 population (2005 est.)
Net migration rate:
0.27 migrant(s)/1,000 population (2005 est.)
Sex ratio:
at birth: 1.03 male(s)/female
under 15 years: 1.02 male(s)/female
15-64 years: 1.04 male(s)/female
65 years and over: 0.91 male(s)/female
total population: 1.02 male(s)/female (2005 est.)
Infant mortality rate:
total: 98.8 deaths/1,000 live births
male: 105.69 deaths/1,000 live births
female: 91.7 deaths/1,000 live births (2005 est.)
Life expectancy at birth:
total population: 46.74 years
male: 46.21 years
female: 47.29 years (2005 est.)
Total fertility rate:
5.53 children born/woman (2005 est.)

HIV/AIDS - adult prevalence rate:
5.4% (2003 est.)
People living with HIV/AIDS:
3.6 million (2003 est.)
HIV/AIDS - deaths:
310,000 (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
respiratory disease: meningococcal meningitis
aerosolized dust or soil contact disease: one of the most highly endemic areas for Lassa fever (2004)

Nationality:
noun: Nigerian(s)
adjective: Nigerian
Ethnic groups:
Nigeria, Africa's most populous country, is composed of more than 250 ethnic groups; the following are the most populous and politically influential: Hausa and Fulani 29%, Yoruba 21%, Igbo (Ibo) 18%, Ijaw 10%, Kanuri 4%, Ibibio 3.5%, Tiv 2.5%
Religions:
Definition Field Listing
Muslim 50%, Christian 40%, indigenous beliefs 10%
Languages:
Definition Field Listing
English (official), Hausa, Yoruba, Igbo (Ibo), Fulani

Literacy:
definition: age 15 and over can
read and write
total population: 68%
male: 75.7%
female: 60.6% (2003 est.)

Source: CIA World Factbook