由于前苏联和中东欧社会主义国家的解体，对作为世界经济和世界共同体的主体的国家原先采用的分类已不实用了。新的分类的依据是：发展中国家和发达国家这两种类型的存在。发展中国家现在往往用另一个规定的概念来表示：“边缘”国家或“南方”国家，虽然这里完全不是地理学概 Due to the disintegration of the socialist countries in the former Soviet Union and Central and Eastern Europe, the classification originally adopted by the countries that were the main body of the world economy and world community was not practical. The new classification is based on the two types of existence in developing and developed countries. Developing countries are now often denoting the concept of another rule: “marginal” or “southern” countries, although not geographically at all