this is a list of countries of the world sorted by their gross domestic product (gdp) per capita. gdp per capita is a measurement used to determine economic growth and potential increases in productivity and is calculated by taking the gdp and dividing it by the total population in the country. it is used to describe the standard of living of a population, with a higher gross domestic product per capita country ranking a higher standard of living is possible for its population. although gdp per capita is an important and widely used indicator of countries’ level of economic welfare, "consumption per capita" may be more useful for comparing the relative welfare of consumers across various countries. gdp is the worth of all goods and services made in a country in a year. ppp is for purchasing power parity and it means how much money would be needed to buy the same item in two different countries. per capita consumption is the yearly use of goods and services by each person. per capita means per person.