This article is dedicated to the development of the existential social space concept. This development id based on the concept of dialectics of objective and subjective existence proposed by one of the classics of existentialism K. Jaspers as well as on a hermeneutic analysis of the researches made domestic and foreign scientists (existential sociologists, psychologists and writers). The article develops the concept of the existence of social space, highlights and analyzes the features of the main levels of existential social space. The author substantiates his point of view with the results of a comparative analysis of the works of famous existential writers, psychologists, psychoanalysts, articles by modern domestic and foreign authors on socio-psychological problems of modern education.