The private sector's main areas of activity are agriculture and trading, with most private industrial investment predating 1980.
Industry mainly processes agricultural items.
Sluggish economic performance over the past decade, attributable largely to declining annual rainfall, has kept per capita income at low levels. A large foreign debt and huge arrears continue to cause difficulties. After Sudan backtracked on promised reforms in 1992-93, the IMF threatened to expel Sudan from the Fund. To avoid expulsion, Khartoum agreed to make token payments on its arrears to the Fund, liberalize exchange rates, and reduce subsidies, measures it has partially implemented. The government's continued prosecution of the civil war and its growing international isolation continued to inhibit growth in the nonagricultural sectors of the economy during 1999.