Aims: The aim of the research was assessment of the medical and social losses due to socially significant diseases (malignant neoplasms and diseases of the circulatory system) in population living in the ecologically unfavorableregion of Kazakhstan (East Kazakhstan Region (EKR)).
Materials And Methods: The materials for the research were provided by the Department of Statistics, the Republican Center of Electronic Health Care and the Regional Oncology Center for 5 years depth (2011-2015 yy.).