Fourth World

noun

1. the world's most poverty-stricken nations, especially in Africa and Asia, marked by very low GNP per capita and great dependence upon foreign economic aid.

Fourth World

noun

1. the poorest countries in the most undeveloped parts of the world in Africa, Asia, and Latin America

2. the poorest people in developed countries

Word History and Origins

Origin of Fourth World¹

First recorded in 1970–75