The term „middle class” has become one of the terms used abusively in public sphere for party doctrinal development or political manipulation. Although it is very common, extension of this term cannot be easily described, depending on identification of general or local multiples factors. In this paper we want to find a definite limit regarding extension of the term „middle class”, and to clarify it intension. Because we want to exclude the relativism, we introduce a new classification: the local and global middle class, considering the criterion of classification the capacity of travel and leaving all around the world.