This book describes a system of indexes, developed by Primakov National Research Institute of World Economy and International Relations (IMEMO) for evaluation of the overall maritime potential of a country. The Index of Maritime Might (IMM) is atop the system. This research includes the rankings of the top-100 countries according to their involvement in a variety of maritime activities (military, economic, science etc.), which were calculated on the basis of statistical data as of the 1st of January 2022. Current edition contains an updated version (2.0) of these indexes.

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The terms country, power and nation as used in this publication do not imply any judgment of the authors or of IMEMO concerning the legal status of any territory or the endorsement or acceptance of particular boundaries. These terms are used for research purposes only as maritime statistical data for a range of geographically self-contained economic areas are maintained on a separate and independent basis.