Abstract
The study is devoted to the analysis of trade and economic interaction between the Union State of Russia and Belarus (hereinafter referred to as the US of Russia and Belarus), the EAEU, and BRICS+. The purpose of the work is to analyze the trends in the development of economic cooperation within the US of Russia and Belarus –EAEU with the BRICS+ countries, to identify potential areas for the development of exports from Russia and the countries of these associations. To assess the trends in trade and economic relations within the Union State and the EAEU, trade intensity indices are used, which makes it possible to identify the most promising trading partners among the BRICS+ countries. The study also revealed the need to assess the potential and prospects for increasing exports from the US of Russia and Belarus and EAEU countries to the BRICS+ countries. To solve this problem, an assessment was made of the index of propensity to export from the US of Russia and Belarus and EAEU countries to the BRICS+ countries, which made it possible to identify the limits and means for implementing possible programs for coupling the development of the US of Russia and Belarus, EAEU format with the countries of the expanded BRICS+ format.