Question

according to the World bank classify the countries of the world into two groups on the basis of per capital annual income

Answer 1

the world Bank compare the avg income which is the total income of the country divided by it's total population. avg income is also called per capita income.

countries with per capita income of us $ 12736 per annum and above in 2013 are rich countries.

countries with per capita income of us$ 1045 or less are called low income countries.