Terrain: mostly barren, flat plains of the Sahara; some central hills

Natural resources: iron ore, gypsum, fish, copper, phosphate

Land use: 1% arable land; NEGL% permanent crops; 38% meadows and pastures; 5% forest and woodland; 56% other; includes NEGL% irrigated

Environment: hot, dry, dust/sand-laden sirocco wind blows primarily in March and April; desertification; only perennial river is the Senegal

- People
Population: 1,934,549 (July 1990), growth rate 3.1% (1990)

Birth rate: 49 births/1,000 population (1990)

Death rate: 18 deaths/1,000 population (1990)

Net migration rate: 0 migrants/1,000 population (1990)

Infant mortality rate: 96 deaths/1,000 live births (1990)

Life expectancy at birth: 44 years male, 49 years female (1990)