تحول سیاست امنیتی جاپان؛ از صلحطلبی پساجنگ تا بازدارندگی فعال

Abstract (English)

Japan’s security policy after World War II was shaped by its pacifist constitution, defense-related restrictions, and strategic dependence on the United States. After 1945, Japan avoided militarism and focused on economic reconstruction, following a cautious security policy based on limited defense, the non-use of force, and reliance on the U.S. security umbrella. However, geopolitical developments in East Asia, the rise of China as an economic and military power, North Korea’s missile and nuclear threats, and changes in the regional balance of power gradually created the conditions for redefining Japan’s security role. The main question of this study is: What path has Japan’s security policy followed from 1945 to 2025, and how has it moved from postwar pacifism toward active deterrence? The hypothesis of the study is that this transformation does not indicate a return to militarism; rather, it represents a defensive and rational response to increasing environmental threats and the need to preserve national security and the balance of power in East Asia. The research method is analytical–explanatory and is based on library sources, official documents, and scholarly works in the field of international relations. The findings show that Japan, while maintaining its basic pacifist principles, has gradually moved from limited defense and security dependence on the United States toward expanding its defense capabilities, adopting active deterrence, strengthening multilateral cooperation, and playing a cautious role in the regional order. The increase in defense spending, the adoption of security legislation, the revision of the National Security Strategy, and participation in the Quadrilateral Security Dialogue (QUAD) reflect Japan’s effort to manage new threats and preserve regional stability.

English