The article presents the main trends of migration development in Russia. The study reveals the importance of migration processes for demographic development of Russia. The emphasis is placed on the migration exchange of the Republic of Tatarstan with foreign countries. The main trends, associated with a decrease in the number of immigrants from almost all CIS countries, except Ukraine, are defined. Particular attention in the article is paid to the migration processes, and the importance of labor migration for the Republic of Tatarstan. Gender studies in modern migratory movements are presented. The main reasons why Tatarstan is an attractive territory for migrants not only from Russian regions, but also from other countries, are established. The features of the impact of foreign migrants, working in Tatarstan, on national security are disclosed.The issues, related to the influence of foreign labor migrants on the ethnic composition of the Republic of Tatarstan were defined. The State Program of the Republic of Tatarstan, promoting the sustainable social, economic and demographic development of the republic, due to the voluntary resettlement of compatriots living abroad, was analyzed.The data of the Federal Service - Territorial Body of Federal State Statistics Service in the Republic of Tatarstan, are widely used in work.