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.)

HIV/AIDS - 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:
Muslim 50%, Christian 40%, indigenous beliefs 10%

Languages:
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.)

Government Nigeria

Country name:
conventional long form: Federal Republic of Nigeria
conventional short form: Nigeria

Government type:
federal republic

Capital:
Abuja; note - on 12 December 1991 the capital was officially
transferred from Lagos to Abuja; most federal government offices
have now moved to Abuja

Administrative divisions:
36 states and 1 territory*; Abia, Adamawa, Akwa Ibom, Anambra,
Bauchi, Bayelsa, Benue, Borno, Cross River, Del