Less Developed Nations are also called
Newly Industrialized Countries. A developing country, also called a less developed country or underdeveloped country, is a nation with an underdeveloped industrial base, and a low Human Development Index (HDI) relative to other countries.he term also implies homogeneity within such countries when wealth (and health) of the most and least affluent groups varies widely. Similarly, the term developed country incorrectly implies a lack of continuing economic development/growth in more-developed countries.