The importance of high-quality non-market services for the population is shown and differences in the accessibility of institutions providing non-market services to the population of the Republic of Mordovia are revealed. The method of sociological survey is used to determine the components of social well-being of the population of Saransk, taking into account the development of the services sector. The tendency of expanding the quality of medical and educational services, as well as of the provision of public services on the ‘one-window’ principle with the use of information technologies is demonstrated. It is concluded that the development of a system of non-market services in the region and the equalization of territorial disparities in their provision are associated with an improvement in the quality of life of the population.