Gross national product (GNP) is a measure of the total value of all domestic and foreign output claimed by residents of a country in a given period. GNP equals GDP plus net property income from abroad.
Economists rely on GNP to indicate the health and growth of an economy, and to solve the national problems like inflation and poverty.
GNP calculation: GNP = GDP + Net Income Inflow from Overseas – Net Income Outflow to Foreign Countries