The expansion of the borders of the Far Eastern Federal District due to the inclusion of the Trans-Baikal Territory and the Republic of Buryatia in its composition actualizes the problem of inequality of regions (primarily in the social sphere), which in the new boundaries of the macroregion has significantly increased and has acquired a «supernormal» character. It has been established that the lag of the «new» Far Eastern subjects in the level of social development is accompanied by an increase in negative phenomena in the social sphere. The necessity of implementing a set of measures to form a «corridor of opportunities» that regions can use, including within the framework of interregional interaction within the Far Eastern Federal District, has been substantiated