This paper defines the concept of economic security strategy as “acts that deviate from the rules of the market economy by using economic power as a source of power in the perception that the state or national economy is threatened.” The scope of Japan's economic security strategy is divided into five categories: first, economic statecraft; second, securing of safety and trust in “critical infra-structure”; third, reinforcement of supply chains in critical materials; fourth, public-private R&D cooperation of critical technologies; and fifthly, cooperation in strengthening global supply chains with “like-minded partners.”