Population:
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155,215,573 (July 2011 est.)
country comparison to the world: 8
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
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Age structure:
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0-14 years: 40.9% (male 32,476,681/female 31,064,539)
15-64 years:
55.9% (male 44,296,228/female 42,534,542)
65 years and over:
3.1% (male 2,341,228/female 2,502,355) (2011 est.)
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Median age:
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total: 19.2 years
male:
19.2 years
female:
19.3 years (2011 est.)
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Population growth rate:
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1.935% (2011 est.)
country comparison to the world: 59
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Birth rate:
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35.51 births/1,000 population (2011 est.)
country comparison to the world: 27
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Death rate:
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16.06 deaths/1,000 population (July 2011 est.)
country comparison to the world: 4
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Net migration rate:
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-0.1 migrant(s)/1,000 population (2011 est.)
country comparison to the world: 122
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Urbanization:
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urban population: 50% of total population (2010)
rate of urbanization:
3.5% annual rate of change (2010-15 est.)
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Major cities - population:
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Lagos 10.203 million; Kano 3.304 million; Ibadan 2.762 million; ABUJA (capital) 1.857 million; Kaduna 1.519 million (2009)
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Sex ratio:
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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 (2011 est.)
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Infant mortality rate:
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total: 91.54 deaths/1,000 live births
country comparison to the world: 10
male:
97.42 deaths/1,000 live births
female:
85.31 deaths/1,000 live births (2011 est.)
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Life expectancy at birth:
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total population: 47.56 years
country comparison to the world: 219
male:
46.76 years
female:
48.41 years (2011 est.)
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Total fertility rate:
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4.73 children born/woman (2011 est.)
country comparison to the world: 27
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HIV/AIDS - adult prevalence rate:
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3.6% (2009 est.)
country comparison to the world: 17
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HIV/AIDS - people living with HIV/AIDS:
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3.3 million (2009 est.)
country comparison to the world: 2
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HIV/AIDS - deaths:
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220,000 (2009 est.)
country comparison to the world: 2
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Major infectious diseases:
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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)
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Drinking water source:
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improved:
urban: 75% of population
rural: 42% of population
total: 58% of population
unimproved:
urban: 25% of population
rural: 58% of population
total: 42% of population (2008)
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Sanitation facility access:
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improved:
urban: 36% of population
rural: 28% of population
total: 32% of population
unimproved:
urban: 67% of population
rural: 72% of population
total: 68% of population (2008)
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Nationality:
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noun: Nigerian(s)
adjective:
Nigerian
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Ethnic groups:
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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%
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Religions:
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Muslim 50%, Christian 40%, indigenous beliefs 10%
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Languages:
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English (official), Hausa, Yoruba, Igbo (Ibo), Fulani, over 500 additional indigenous languages
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Literacy:
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definition: age 15 and over can read and write
total population:
68%
male:
75.7%
female:
60.6% (2003 est.)
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School life expectancy (primary to tertiary education):
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total: 9 years
male:
10 years
female:
8 years (2005)
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Education expenditures:
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NA
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