Land use: arable land: 30.96% permanent crops: 2.79% other: 66.25% (1998 est.)
Irrigated land:
2,330 sq km (1998 est.)
Natural hazards:
periodic droughts; flooding
Environment - current issues:
soil degradation; rapid deforestation; urban air and water
pollution; desertification; oil pollution - water, air, and soil;
has suffered serious damage from oil spills; loss of arable land;
rapid urbanization
Environment - international agreements:
party to: Biodiversity, Climate Change, Desertification, Endangered
Species, Hazardous Wastes, Law of the Sea, Marine Dumping, Marine
Life Conservation, Nuclear Test Ban, Ozone Layer Protection, Wetlands
signed, but not ratified: none of the selected agreements
Geography - note:
the Niger enters the country in the northwest and flows southward
through tropical rain forests and swamps to its delta in the Gulf of
Guinea
People Nigeria
Population:
133,881,703
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 and death rates, lower
population and growth rates, and changes in the distribution of
population by age and sex than would otherwise be expected (July
2003 est.)
Age structure:
0-14 years: 43.6% (male 29,322,774; female 28,990,702)
15-64 years: 53.6% (male 36,513,700; female 35,254,333)
65 years and over: 2.8% (male 1,890,043; female 1,910,151) (2003
est.)
Median age: total: 18 years male: 18.1 years female: 17.9 years (2002)