Question

difference between percapita income and national income.

Answer 1

National Income is the total value of a  country's final output of all new goods and services produced in one year whereas percapita Income is when the total national Income is divided by the total population.

Answer 2

national Income is defined as the total value of all the goods and services produced within a country plus income coming from Abroad.

When the total National Income is divided by the total population it is called per capita income.
Per capita income = National Income /Total Population