Continental shelf: 200 meters or to depth of exploitation;
Extended economic zone: 200 nm;
Territorial sea: 30 nm
Disputes: exact locations of the Chad-Niger-Nigeria and Cameroon-Chad-Nigeria tripoints in Lake Chad have not been determined, so the boundary has not been demarcated and border incidents have resulted; 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: 31% arable land; 3% permanent crops; 23% meadows and pastures; 15% forest and woodland; 28% other; includes NEGL% irrigated
Environment: recent droughts in north severely affecting marginal agricultural activities; desertification; soil degradation, rapid deforestation
- People
Population: 118,819,377 (July 1990), growth rate 3.0% (1990)