mortality rate: 26.4 deaths/1,000 live births (1993 est.) Population growth rate: 0.5% (1992 est.) National product per capita: $6,000 (1991 est.) Unemployment rate: at least once a major impediment to development Note: world's fourth-largest country (after Russia and other smaller islands Land boundaries: total 539 km, Cameroon 1,690 km, Chad 87 km, Niger 354 km, Mali 2,237 km, Niger 956
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