Interdistrict Migration Relations, their Features and Measurement

The Object of the Study. Migration processes in Rossiya.The Subject of the Study. Interdistrict migration links. The Purpose of the Study. Identifying the features of interdistrict migration exchange and justifying adequate indicators for its measurement.The Main Provisions of the Article. The article reveals how and when scientific ideas about the spatial patterns of migration processes that took place in the past and at present appeared, and about the subsequent interpretation of this knowledge and the creation of adequate indicators for their measurement have arisen. The paper shows the importance in the total migration turnover of internal migrations, interregional movements, in particular. Interregional migrations include population movements between administrative and territorial entities. In Rossiya, regions with independent status were adopted as such “migration” entities, i.e. which are subjects of the Russiyskaya Federatsiya. In its turn, migration flows between them break up into smaller interregional flows. All of them, like the general migration flows, differ in their scale, structure, directions and results. The article discusses existing approaches to studying the nature of migration flows, determining their directions and values, it is stressed  that as early as at the end of the nineteenth century the idea was expressed about a relationship between population size, distance, as well as the forces of attraction and repulsion. It is noted that in the domestic literature, the clarification of the relationship between migration processes and the factors determining their scope and direction has begun since the 60s of the last century. At the same time, a special indicator has been created to level the influence of different population numbers in different regions on the assessment of the significance of interregional migration flows. The possibilities of using this gauge for present day interregional migrations are shown on the example of two regions of Rossiya with the publication of the matrix of coefficients of interdistrict migration links for 1966-1969 allowing to compare them with the data for 2015-2017 and accordingly confirm the stability of these relationships.