GNI

 Gross National Income (GNI) is the total amount of money earned by a nation's people and businesses. It is used to measure and track a nation's wealth from year to year. The number includes the nation's gross domestic product (GDP) plus the income it receives from overseas sources.

\mathrm{GNI}=\mathrm{GDP}+(EX_{FS} - IM_{FS})

GNI = gross national income

GDP = gross domestic product

EX_{FS} = money flowing from foreign countries

IM_{FS} = money flowing to foreign countries