International Monetary Fund (IMF) have ranked Nigeria second worst country in the world in the use of sovereign wealth funds.
The Fiscal Monitor report released on Wednesday shows that only Qatar was worse than Nigeria.
Some criteria used for the ranking on the report are transparency and corporate governance.
Ghana was the only country in the report ranking highest among 10 African countries.
The IMF advised that countries should ensure that the natural resources of countries should be channelled properly to the people that need them.