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