Oil rents (% of GDP) - Middle income, Upper middle income
The Changing Wealth of Nations, World Bank ( WB ), uri: worldbank.org/en/publication/changing-wealth-of-nations/data, note: World Bank staff estimates based on sources and methods described in the World Bank's The Changing Wealth of Nations., publisher: World Bank ( WB );
Staff estimates, World Bank ( WB ), note: World Bank staff estimates based on sources and methods described in the World Bank's The Changing Wealth of Nations.
