Economically developing countries and Underdeveloped nations

Underdeveloped nations and economically developing countries are semantically related in underdeveloped countries topic. In some cases you can use "Underdeveloped nations" instead a noun phrase "Economically developing countries".

Economically developing countries and underdeveloped nations are semantically related in underdeveloped countries topic. You can use "Economically developing countries" instead a noun phrase "Underdeveloped nations".