Area—comparative: slightly more than twice the size of California
Land boundaries:
total: 4,047 km
border countries: Benin 773 km, Cameroon 1,690 km, Chad 87 km, Niger
1,497 km
Coastline: 853 km
Maritime claims:
continental shelf: 200-m depth or to the depth of exploitation
exclusive economic zone: 200 nm
territorial sea: 30 nm
Climate: varies; equatorial in south, tropical in center, arid in
north
Terrain: southern lowlands merge into central hills and plateaus;
mountains in southeast, plains in north
Elevation extremes: lowest point: Atlantic Ocean 0 m highest point: Chappal Waddi 2,419 m
Natural resources: petroleum, tin, columbite, iron ore, coal,
limestone, lead, zinc, natural gas
Land use:
arable land: 33%
permanent crops: 3%
permanent pastures: 44%
forests and woodland: 12%
other: 8% (1993 est.)
Irrigated land: 9,570 sq km (1993 est.)