modern non-Communist industrialized nations (including Japan, the USA, Canada, and the nations of western Europe)
[Image:HDImap spectrum2006.png|thumb|right|300px|Coloured world map indicating
Human Development Index (2006) ]]The term "first world" refers to countries that are
democracies, which are technologically advanced, and whose citizens have a high
standard of living.The terms First World,
Second World, and
Third World were used to divide the nations of
Earth into three broad categories. The three terms did not arise simultaneously. After
World War II, people began to speak of the
NATO and
Warsaw Pact countries as two major blocs, often using such terms as the "
Western Bloc" and the "
Eastern Bloc". The two "worlds" were not numbered. It was eventually pointed out that there were a great many countries that fit into neither category, and in 1952
French demographer Alfred Sauvy coined the term "Third World" to describe this latter group; retroactively, the first two groups came to be known as the "First World" and "Second World".
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