This article comprises a big variety of theoretical and methodological approaches of diaspora classification such as a historiographical research approaches, modern, practical and axiological connotations of analysis of a big variety of diaspora typology existent on research world from historic, political, ethno-cultural, social, economic, geopolitical points of view. Nowadays, the abundance of typological features offered by scientists as the basis for classifying diaspora formations has led to the fact that there is no a clear classification of historical and modern diasporas, widely recognized by the world scientific community.