There is no prospect that the world's impoverished nations will ever discharge their debts - owing a total of 2.5 trillion dollars largely to commercial banks and the World Bank and IMF. 

Between 1980 and 1996, the nations of sub-Saharan Africa paid twice the sum of the total debt in the form of interest, but they still owed three times more in 1996 the then they did in 1980

Monbiot  p156