Executive Summary
This report provides a detailed examination of the Defense of Japan 2025 white paper, with particular attention to the country’s evolving defense industrial policy, procurement strategies, and the integration of emerging technologies into national defense planning. Drawing exclusively from the official publication of the Japanese Ministry of Defense, the analysis explores the full scope of institutional reforms, strategic investments, capability development programs, and legislative measures introduced or expanded in the 2025 document. The report considers how Japan is responding to a deteriorating regional security environment through a coordinated buildup of its domestic defense production base, deeper international defense cooperation, and the deployment of advanced technological solutions in areas such as cyber, space, and autonomous systems.