Total area: 923,770 km2
land area: 910,770 km2

Comparative area: slightly more than twice the size of California

Land boundaries: 4,047 km total
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 depth of exploitation
Exclusive economic zone: 200 nm
Territorial sea: 30 nm

Disputes: demarcation of international boundaries in Lake Chad, the lack of which has led to border incidents in the past, is completed and awaiting ratification by Cameroon, Chad, Niger, and Nigeria; Nigerian proposals to reopen maritime boundary negotiations and redemarcate the entire land boundary have been rejected by Cameroon

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

Natural resources: crude oil, tin, columbite, iron ore, coal, limestone, lead, zinc, natural gas

Land use: arable land 31%; permanent crops 3%; meadows and pastures 23%; forest and woodland 15%; other 28%; includes irrigated NEGL%

Environment: recent droughts in north severely affecting marginal agricultural activities; desertification; soil degradation, rapid deforestation

NOTE: The information regarding Nigeria on this page is re-published from the 1991 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of Nigeria Geography 1991 information contained here. All suggestions for corrections of any errors about Nigeria Geography 1991 should be addressed to the CIA.