My World Factbook
(Learn more about the new, improved World Factbook)
Note: Most information adapted from the popular World Factbook is distributed between the websites GeoWorld (geography, people, communications & transportation), Politix (government) and Great Depression II (economy).
People
152,217,341
country comparison to the world: note: estimates for this country explicitly take into account the effects of excess mortality due to AIDS; this can result in lower life expectancy, higher infant mortality, higher death rates, lower population growth rates, and changes in the distribution of population by age and sex than would otherwise be expected (July 2010 est.)
0-14 years: 41.5% (male 31,624,050/female 30,242,637)
15-64 years: 55.5% (male 42,240,641/female 40,566,672)
65 years and over: 3.1% (male 2,211,840/female 2,343,250) (2010 est.)
total: 19.1 years
male: 19 years
female: 19.2 years (2010 est.)
1.966% (2010 est.)
country comparison to the world: 36.07 births/1,000 population (2010 est.)
country comparison to the world: 16.31 deaths/1,000 population (July 2010 est.)
country comparison to the world: -0.1 migrant(s)/1,000 population (2010 est.)
country comparison to the world: urban population: 48% of total population (2008)
rate of urbanization: 3.8% annual rate of change (2005-10 est.)
at birth: 1.06 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.04 male(s)/female
65 years and over: 0.94 male(s)/female
total population: 1.04 male(s)/female (2010 est.)
total: 92.99 deaths/1,000 live births
country comparison to the world: male: 98.94 deaths/1,000 live births
female: 86.69 deaths/1,000 live births (2010 est.)
total population: 47.24 years
country comparison to the world: male: 46.46 years
female: 48.08 years (2010 est.)
4.82 children born/woman (2010 est.)
country comparison to the world: 3.1% (2007 est.)
country comparison to the world: 2.6 million (2007 est.)
country comparison to the world: 170,000 (2007 est.)
country comparison to the world: degree of risk: very high
food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever
vectorborne disease: malaria and yellow fever
respiratory disease: meningococcal meningitis
aerosolized dust or soil contact disease: one of the most highly endemic areas for Lassa fever
water contact disease: leptospirosis and shistosomiasis
animal contact disease: rabies
note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2009)
noun: Nigerian(s)
adjective: Nigerian
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%
Muslim 50%, Christian 40%, indigenous beliefs 10%
English (official), Hausa, Yoruba, Igbo (Ibo), Fulani, over 500 additional indigenous languages
definition: age 15 and over can read and write
total population: 68%
male: 75.7%
female: 60.6% (2003 est.)
total: 9 years
male: 10 years
female: 8 years (2005)
0.9% of GDP (1991)
country comparison to the world: 
