Actuality of research subject is predefined by the selection of the new category of potential “reemigrants”, internally displaced persons from the zone of armed conflict and AR of Crimea as one of the most vulnerable categories of the population of Ukraine. In the article the historical background of the formation of the conceptual and terminological apparatus of the study of the processes of reemigration are reviewed by authors. The ontological fundamentals of the terms “reemigration” and “regurgitation” have been considered. The application features of remigration mechanisms in the social and economic development of foreign countries are indicated on. The article analyzes the remigration process as the part of motivational circle vectors of migration behaviour of the population. The attention is focused on the problems of remigration attitudes and capabilities internally displaced persons from the zone of armed conflict and AR of Crimea. The time factor staying internally displaced persons in host region as the important factor organization reemigration processes have been outlined. The results of the research the most acute problems of social protection of internally displaced persons in Lviv region have been analyzed. The mechanisms for potential reintegration of internally displaced persons in the region of the previous residence have been selected. The sociocultural consequences of internal migration as the factor consolidating Ukrainian society have been considered. The activities of state social policy for internally displaced persons, based on special sociological survey, are proposed. 

migrant, reemigration, motivational circle vectors of migration behaviour, regurgitation, social policy, region