_#_External debt: $2.3 billion (December 1989)
_#_Industrial production: growth rate 4.4% (1988 est.); accounts for 10% of GDP
_#_Electricity: 189,000 kW capacity; 136 million kWh produced, 70 kWh per capita (1989)
_#_Industries: fishing, fish processing, mining of iron ore and gypsum
_#_Agriculture: accounts for 29% of GDP (including fishing); largely subsistence farming and nomadic cattle and sheep herding except in Senegal river valley; crops—dates, millet, sorghum, root crops; fish products number-one export; large food deficit in years of drought
_#_Economic aid: US commitments, including Ex-Im (FY70-89), $168 million; Western (non-US) countries, ODA and OOF bilateral commitments (1970-88), $1.2 billion; OPEC bilateral aid (1979-89), $490 million; Communist countries (1970-89), $277 million
_#_Currency: ouguiya (plural—ouguiya); 1 ouguiya (UM) = 5 khoums
_#_Exchange rates: ouguiya (UM) per US$1—77.450 (January 1991), 80.609 (1990), 83.051 (1989), 75.261 (1988), 73.878 (1987), 74.375 (1986), 77.085 (1985)
_#_Fiscal year: calendar year
_*Communications #_Railroads: 670 km 1.435-meter standard gauge, single track, owned and operated by government mining company