Population:   123,337,8229 (July 2000 est.)
Age structure:   0-14 years: 44%
15-64 years: 53%
65+ years: 3%
Growth rate:   2.67%
Literacy:   Total population 57.1%
Male 67.3%
Female 47.3%
Youth Literacy (aged 15-24)*:   Male 89% (1999)
Female 72% (1999)
Ethnic Groups:   Hausa and Fulani - 29%, Yoruba - 21%, Igbo (Ibo) - 18%, Ijaw - 10%, Kanuri - 4%, Ibibio - 3.5%, Tiv - 2.5%
Religions(s):   Muslim - 50%
Christian - 40%
Indigenous beliefs - 10%
Language(s):   English (official), Hausa, Yoruba, Igbo (Ibo), Fulani
Economy:   Oil sector provides 20% of GDP. Main industries include crude oil, coal, and tin. Majority of labor force works in agriculture (54%) and services (40%). Agricultural products include cotton, rice, corn, and wheat. GDP of $110.5 billion (1999 est.)
Unemployment:   28% (1992 est.)
Type of Government:   Republic
*Source for this statistic is GenderNet, The World Bank Group, 2001