Developing country
A developing country, also known as a less-developed country, is a nation with a low level of material well-being. Since no single definition of the term developing country is recognized internationally, the levels of development may vary widely within so-called developing countries. Some developing countries have high average standards of living.

Countries with more advanced economies than other developing nations, but which have not yet fully demonstrated the signs of a developed country
Developed country
A developed country is a country that has a high level of development according to some criteria. Which criteria, and which countries are classified as being developed, is a contentious issue...

, are categorized under the term newly industrialized countries.
Kofi Annan
Kofi Annan
Kofi Atta Annan is a Ghanaian diplomat who served as the seventh Secretary-General of the UN from 1 January 1997 to 31 December 2006...

, former Secretary General of the United Nations, defined a developed country as follows.