Angola the ex-Portuguese colony, which is part of the Organization of Petroleum Exporting Countries (OPEC) since 2006, derives most of its income from oil. This sector contributes to effect 85% of GDP. But the growth rate of the country has fallen drastically, mainly because of lower oil prices.

On the other hand , Angola is the sixth most corrupt country in Africa , according to Transparency International and has a human development index despite a low gross national income ( GNI) per capita high – reflecting a particularly unequal distribution of wealth.