Population Structure
The following demographic statistics are from the CIA World Factbook, unless otherwise indicated.
Median age
total: 19.2 years
male: 19.2 years
female: 19.3 years (2011 est.)
Sex ratio
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 (2009 est.)
Life expectancy at birth
total population: 51.56 years
male: 51.58 years
female: 51.55 years (2000 est.)
total population: 46.94 years
male: 46.16 years
female: 47.76 years (2009 est.)
total population: 52.05 years
male: 48.95 years
female: 55.33 years (2012 est.)
HIV/AIDS adult prevalence rate
3.1% (2007 est.)
3.6% (2009 est.)
people living with HIV/AIDS
2.6 million (2007 est.)
3.3 million (2009 est.)
Read more about this topic: Ethnic Groups In Nigeria
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