HIV/AIDS - people living with HIV/AIDS: 2.7 million (1999 est.)
HIV/AIDS - deaths: 250,000 (1999 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%