GDP per capita is calculated as the value of all final goods and services produced each year in a country (the gross domestic product), divided by the population. Share. GDP per Capita Rankings: 2025 GDP per capita (PPP based) is gross domestic product converted to international dollars using purchasing power parity rates and divided by total population. World Economics has developed a database presenting GDP per Capita in Purchasing Power Parity terms with added estimates for the size of the informal economy and adjustments for out-of-date GDP base year data. Official statistics by year of gdp per capita (imf data) (USD). The values are presented in tables and charts with calculations of changes and shares, and with extensive analytical functionality.