Life expectancy at birth:
total population: 46.94 years
male: 46.16 years
female: 47.76 years

Religions:
Muslim 50%
Christian 40%
indigenous beliefs 10%

Literacy:
definition: age 15 and over can read and write
total population: 68%
male: 75.7%
female: 60.6%

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%

Age structure:
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)

Exports:
$83.09 billion f.o.b. (2008 est.)
country comparison to the world: 41

Exports - commodities:
petroleum and petroleum products 95%, cocoa, rubber


Exports - partners:
US 51.6%, Brazil 8.9%, Spain 7.7%

Imports:
$46.36 billion f.o.b.
country comparison to the world:
Imports - commodities:
machinery, chemicals, transport equipment, manufactured goods, food and live animals

Imports:- partners:
China 10.6%, Netherlands 7.9%, US 7.8%, South Korea 6.6%, UK 5.7%, France 4.3%, Brazil 4.2%, Germany 4.1% (2007)