Age structure:
0-14 years: 44% (male 27,181,020; female 26,872,317)
15-64 years: 53% (male 33,495,794; female 32,337,193)
65 years and over: 3% (male 1,729,149; female 1,722,349) (2000 est.)

Population growth rate: 2.67% (2000 est.)

Birth rate: 40.16 births/1,000 population (2000 est.)

Death rate: 13.72 deaths/1,000 population (2000 est.)

Net migration rate: 0.28 migrant(s)/1,000 population (2000 est.)

Sex ratio:
at birth: 1.03 male(s)/female
under 15 years: 1.01 male(s)/female
15-64 years: 1.04 male(s)/female
65 years and over: 1 male(s)/female
total population: 1.02 male(s)/female (2000 est.)

Infant mortality rate: 74.18 deaths/1,000 live births (2000 est.)

Life expectancy at birth:
total population: 51.56 years
male: 51.58 years
female: 51.55 years (2000 est.)

Total fertility rate: 5.66 children born/woman (2000 est.)

Nationality:
noun: Nigerian(s)
adjective: Nigerian

Ethnic groups: Nigeria, which is 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: 57.1%
male: 67.3%
female: 47.3% (1995 est.)

@Nigeria:Government

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

Data code: NI

Government type: republic transitioning from military to civilian rule

Capital: Abuja
note: on 12 December 1991 the capital was officially moved from Lagos
to Abuja; many government offices remain in Lagos pending completion
of facilities in Abuja

Administrative divisions: 36 states and 1 territory*; Abia, Abuja
Federal Capital Territory*, Adamawa, Akwa Ibom, Anambra, Bauchi,
Bayelsa, Benue, Borno, Cross River, Delta, Ebonyi, Edo, Ekiti, Enugu,
Gombe, Imo, Jigawa, Kaduna, Kano, Katsina, Kebbi, Kogi, Kwara, Lagos,
Nassarawa, Niger, Ogun, Ondo, Osun, Oyo, Plateau, Rivers, Sokoto,
Taraba, Yobe, Zamfara

Independence: 1 October 1960 (from UK)

National holiday: Independence Day, 1 October (1960)

Constitution: NA 1999 new constitution adopted

Legal system: based on English common law, Islamic law, and tribal law

Suffrage: 18 years of age; universal

Executive br