| A | B |
|---|
| Intermediate Country | country that is better off than the average underdeveloped country |
| Fourth World Country | country that is the worst off of the underdeveloped countries, UN based term |
| Rich and Poor | simple terms for developed and underdeveloped countries |
| Industrialized/Industrializing | term used in business areas, describes major economic sector only |
| North/South | UN-created term, uses geographic reference, confusing |
| Less Developed Country | full substitute for underdeveloped country |
| Developing Country | term considered poor by some, no prefix |
| Third World/Third World Country | term with dual meaning, in the US taken to be equal to underdeveloped, battlefield issue |
| Backward/Primitive Country | obsolete names used prior to 1960 |
