Birth rate: 46 births/1,000 population (1990)
Death rate: 17 deaths/1,000 population (1990)
Net migration rate: 1 migrant/1,000 population (1990)
Infant mortality rate: 119 deaths/1,000 live births (1990)
Life expectancy at birth: 48 years male, 49 years female (1990)
Total fertility rate: 6.5 children born/woman (1990)
Nationality: noun—Nigerian(s); adjective—Nigerian
Ethnic divisions: more than 250 tribal groups; Hausa and Fulani of the north, Yoruba of the southwest, and Ibos of the southeast make up 65% of the population; about 27,000 non-Africans
Religion: 50% Muslim, 40% Christian, 10% indigenous beliefs
Language: English (official); Hausa, Yoruba, Ibo, Fulani, and several other languages also widely used