The concepts of "WORK 4.0" and "WORK 5.0": essence, nature, features

In the conditions of the latest large-scale, multi-vector changes in both the social division of labor and the forms of employment, processes and results of labor activity, the importance of scientific study of the nature of the modern world of labor of the beginning of the 21st century is increasing. New technological systems, the digital revolution in combination with other realities of the present (demographic, globalization, technological shifts) are radically changing human life, adapting the social and labor space to themselves. An attempt to understand these processes prompts an analysis of the essential characteristics of the concepts “Labor 4.0” and “Labor 5.0” in the light of the latest social and labor reality. Analysis of foreign and domestic experience, thematic sources [1-6] allowed us to identify the essential characteristics of these concepts, the basis of which are the Fourth and Fifth Industrial Revolutions (Industry 4.0, Industry 5.0).