Japan Requests Record Defense Budget to Counter Regional Security Threats
The Ministry of Defense seeks 8.89 trillion yen to accelerate military modernization and adopt new technologies.


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Japan’s Ministry of Defense submitted a record budget request of 8.89 trillion yen, or approximately $56 billion, for the 2027 fiscal year on Monday. This significant financial proposal aims to accelerate a broad defense buildup intended to address growing security concerns involving China, Russia, and North Korea. Government officials suggest the final approved amount could rise to 10 trillion yen during upcoming negotiations later this year.
The request aligns with a five-year, 43 trillion yen defense plan that began in 2023. This strategy marks a departure from Japan’s long-standing postwar policy of maintaining an exclusively defense-oriented military posture. Under the current administration led by Prime Minister Sanae Takaichi, the nation has authorized new counterstrike capabilities to target enemy missile bases if necessary.
A major focus of the new budget is the integration of advanced technology into the Self-Defense Forces. The ministry plans to develop low-cost attack drones that can operate alongside long-range missiles. Additionally, the government intends to acquire foreign-made systems while developing its own cheaper, long-range missile alternatives.
Maritime security remains a high priority for the ministry’s procurement plans. Officials are seeking funding to develop a submarine-launched hypersonic missile to bolster the nation's deterrent capabilities. The military also plans to study methods for equipping unmanned underwater vehicles with the ability to launch long-range missiles.
To address the threat of drone swarms, the ministry will invest in a new short-range air defense system. This system will combine missiles, guns, and lasers to provide a multi-layered defense. These efforts are part of a broader push to modernize the military’s hardware against evolving aerial threats.
Artificial intelligence will play a central role in the future command structure of the Self-Defense Forces. The ministry plans to introduce an integrated AI platform to improve the speed and accuracy of decision-making during potential conflicts. This system will assist commanders in assessing battlefield conditions and selecting appropriate targets.
Japan is currently exploring the use of existing foreign AI technologies, including those from the United States, to support these efforts. Simultaneously, the government is working on a next-generation platform known as an AI orchestrator. This tool would integrate multiple AI systems while ensuring autonomous operation and decision-making capabilities.
Personnel shortages caused by an aging and shrinking population are also driving these technological investments. By increasing the use of uncrewed weapons and automated systems, the military hopes to maintain its operational effectiveness despite a smaller workforce. These innovations are intended to compensate for the declining number of active-duty service members.
To ensure long-term readiness, the government is considering a system that would allow for the nationalization of defense equipment factories. Under this plan, private companies would operate these facilities to support sustained production during a prolonged conflict. The budget request includes specific funding to help these companies restructure and conduct necessary research.
While Japan has expanded its arms exports, the domestic defense industry still faces challenges due to constitutional limits on the use of force. The government aims to balance these legal constraints with the need for a robust national defense. Further details regarding the final budget will be determined after the government approves its updated security and defense documents later this year.
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