Sex ratio:
at birth: 1.03 male(s)/female
under 15 years: 1.02 male(s)/female
15-64 years: 1.04 male(s)/female
65 years and over: 0.91 male(s)/female
total population: 1.02 male(s)/female (2006 est.)
Infant mortality rate:
total: 97.14 deaths/1,000 live births
male: 104.05 deaths/1,000 live births
female: 90.02 deaths/1,000 live births (2006 est.)
Life expectancy at birth:
total population: 47.08 years
male: 46.52 years
female: 47.66 years (2006 est.)
Total fertility rate:
5.49 children born/woman (2006 est.)
HIV/AIDS - adult prevalence rate:
5.4% (2003 est.)
HIV/AIDS - people living with HIV/AIDS:
3.6 million (2003 est.)
HIV/AIDS - deaths:
310,000 (2003 est.)
Major infectious diseases: degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria respiratory disease: meningococcal meningitis aerosolized dust or soil contact disease: one of the most highly endemic areas for Lassa fever (2005)
Nationality: noun: Nigerian(s) adjective: Nigerian
Ethnic groups:
Nigeria, 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%