
  The term 
"
First World" refers to so called developed, 
capitalist, industrial 
countries, roughly, a bloc of countries aligned with the United States after World 
War II, with more or less common political and economic interests: North America, 
Western Europe, Japan and Australia.

  "
Second 
World" refers to the former 
communist-socialist, industrial states, 
(formerly the Eastern bloc, the territory and sphere of influence of the Union 
of Soviet Socialists Republic) today: Russia, Eastern Europe (e.g., Poland) and 
some of the Turk States (e.g., Kazakhstan) as well as China.

  "
Third 
World" are all the other countries, today often used to roughly describe the 
developing countries of Africa, Asia and Latin America.
The term Third World includes as well capitalis