_#_Birth rate: 46 births/1,000 population (1991)
_#_Death rate: 16 deaths/1,000 population (1991)
_#_Net migration rate: NEGL migrants/1,000 population (1991)
_#_Infant mortality rate: 118 deaths/1,000 live births (1991)
_#_Life expectancy at birth: 48 years male, 50 years female (1991)
_#_Total fertility rate: 6.5 children born/woman (1991)
_#_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: Muslim 50%, Christian 40%, indigenous beliefs 10%
_#_Language: English (official); Hausa, Yoruba, Ibo, Fulani, and several other languages also widely used