The textbook reveals the main problems of such a new field of psychological knowledge as social psychology of development. Its boundaries, subject coordinates, methodology and research methods are determined. The book consists of two parts. The first part reflects current trends and the latest data obtained as part of the study of social psychology of development. The problems of the role of social institutions in the process of personality development in the context of age-related tasks of socialization are analyzed. The problems and main directions of social psychology of development as a scientific and practical field of psychological science are considered in detail.