Natural resources: petroleum, natural gas, iron ore, phosphates,
uranium, lead, zinc
Land use:
arable land: 3%
permanent crops: 0%
permanent pastures: 13%
forests and woodland: 2%
other: 82% (1993 est.)
Irrigated land: 5,550 sq km (1993 est.)
Natural hazards: mountainous areas subject to severe earthquakes; mud slides
Environment—current issues: soil erosion from overgrazing and other poor farming practices; desertification; dumping of raw sewage, petroleum refining wastes, and other industrial effluents is leading to the pollution of rivers and coastal waters; Mediterranean Sea, in particular, becoming polluted from oil wastes, soil erosion, and fertilizer runoff; inadequate supplies of potable water
Environment—international agreements: party to: Biodiversity, Climate Change, Desertification, Endangered Species, Environmental Modification, Law of the Sea, Ozone Layer Protection, Ship Pollution, Wetlands signed, but not ratified: Nuclear Test Ban
Geography—note: second-largest country in Africa (after Sudan)
People
Population: 31,133,486 (July 1999 est.)
Age structure:
0-14 years: 37% (male 5,911,910; female 5,696,538)
15-64 years: 59% (male 9,255,702; female 9,063,954)
65 years and over: 4% (male 559,570; female 645,812) (1999 est.)