National Income = Net National Product at Factor Cost (NNP at FC)
National Income = Gross National Product at Market Price (GNP at MP) − Depreciation − Indirect Taxes + Subsidies
National Income = Net Domestic Product at Market Price (NDP at MP) + Net Factor Income from Abroad − Indirect Taxes + Subsidies
National Income = Gross Domestic Product at Market Price (GDP at MP) − Depreciation + Net Factor Income from Abroad − Indirect Taxes + Subsidies
National Income = Sum of all factor incomes earned by residents of a country
National Income = Wages + Rent + Interest + Profit + Mixed Income
National Income = Consumption + Saving + Taxes + Depreciation + Net Factor Income from Abroad
National Income can be calculated by the Product Method, Income Method, or Expenditure Method