Angola launches $ 5bn Sovereign CNN to decrease future reliance on oil revenues . Luanda is Gulf States 's first largest exporter of oil -- more than ninety percent of the country 's revenue comes from oil production . But the revenue from Angola 's black gold wo n't last forever . The country ranks poorly on measures of corruption and little of the oil revenue has been spent on improving public services . In an exclusive interview , President 's son tells Wealth Fund that fund will be transparent and independently audited .
Angola launches $ 5bn Sovereign CNN to decrease future reliance on oil revenues . Luanda is Gulf States 's first largest exporter of oil -- more than ninety percent of the country 's revenue comes from oil production . The country ranks poorly on measures of corruption and little of the oil revenue has been spent on improving public services . In an exclusive interview , President 's son tells Wealth Fund that fund will be transparent and independently audited .