Question

what were the main Criterion used by the World bank of classifying different countries

Answer 1

The main criterion used by the World Bank in classifying different countries: Countries with per capita income of US$ 12616 per annum and above in 2012, are called rich countries and those with per capita income of US$ 1035 or less are called low-income countries.

Answer 2

Per Capita Income is the main criterion used by the World Bank in classifying different countries.