First World

The concept of the First World originated during the Cold War and included countries that were generally aligned with or on friendly terms with the United States (including all NATO countries) and were generally identified as non-theocratic democracies with primarily market-based economies. While there is no current consensus on an exact definition of the term, in modern usage, "First World country" generally implies a relatively wealthy, stable and functional non-theocratic democracy with a reasonably well educated population, or just any developed country.

During the Cold War, relationships between the First World and the Second World of Communist states were typically competitive, ideological, and occasionally hostile. Relationships of both these "Worlds" with "Third World" countries (i.e. all the rest) were normally positive in theory, while some were quite negative in practice (such as proxy war between client states). Since the dissolution of the Soviet Union and advances in communication technology, relations amongst the "Worlds" are not as rigid, although there are still marked disparities, with the First World generally having more influence, wealth, and access to information and technological innovations than the Second and Third Worlds.