To determine of the wealth is earned by nations by economic activates all around the globe.
Gross National Income comprises the total value of goods and services formed within a country (i.e. its Gross Domestic Product), together with its income received from other countries (notably interest and dividends), and less same payments made to other countries. It is also called as GNP. It can be calculated as follows: GNI = Gross Domestic Product + Net property income from abroad.