Development Data Group, The World Bank. 2012. 2012 World Development Indicators Online. Washington, DC: The World Bank. Available at: http://data.worldbank.org/indicator
Gross national income (GNI) per capita is the total value produced by residents of a country including any product taxes and minus subsidies that are not included in the value of output plus net income from employee and property received from abroad.
The GNI is converted to U.S. dollars using the World Bank Atlas method, which uses a three-year average of exchange rates, and divided by the midyear population