Demographic losses of Ukraine’s population in the 1930s according to foreign and domestic historiography

The analyses of main trends in the modern historiography, which characterize demographical situation in Ukraine in 1930-s is done. The main components of the source base of this topic that have been introduced into scientific circulation in recent years are found out. The ambiguity of quantitative estimates of the population-loss in the Soviet Ukraine during 1930-s and methodological reasons for this phenomenon are shown. There was emphasized the need for the introduction to the researched theme a new methods of working with statistical sources. Important in this context is the legacy of «knights Ukrainian statistics» (Ptukha, Khomenko, Korczak-Chepurkivskyy). It was posed the problem of holistic review of historical and demographic changes in the structure and growth of population in the Ukrainian territory both 1930s and throughout Soviet history. Only then we could talk about the degree of qualitative changes of Ukrainian society due to the increased mortality of 1930s. The holistic picture has to take into account the number of deaths among victims of repression and people, who were interned to the special squads, among whom mortality was the most mass. Also made a point of striving to involve in further scientific research new calculation system with using information technology.