Rate of real income growth in a country is annual percentage growth of :

The rate of real income growth in a country measures the annual percentage growth of national output valued at constant (base-year) prices so that the effect of price inflation is removed. In Indian national income accounting, the headline measure of real national income growth is the annual percentage growth of GDP at factor cost at constant prices , whereas measures valued at current prices (GDP at market prices or at factor cost, at current prices) reflect nominal growth.