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Japan Defense Market Size and Growth Overview (2026-2034)
Market Size in 2025: USD 36.4 Billion
Market Forecast in 2034: USD 45.1 Billion
Market Growth Rate 2026-2034: 2.43%
According to the latest report by IMARC Group, Japan's defense market size reached USD 36.4 billion in 2025. Looking forward, IMARC Group expects the market to reach USD 45.1 billion by 2034, exhibiting a growth rate (CAGR) of 2.43% during 2026-2034.
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Japan Defense Market Trends & Drivers
The Japanese defense market is undergoing a structural shift, mainly due to changes in the security environment in East Asia, which require the continuous enhancement of capabilities in all domains to counter multi-domain challenges and maintain the calculated balance. Geopolitical competition with neighboring countries and territorial and maritime disputes, missile development programs, and military modernization efforts are persistent security threats in the region. North Korean ballistic missile development and nuclear weapons programs are an immediate and continuing threat that requires air defense, missile interception, and civil defense capabilities to defend cities and critical infrastructure against missile strikes. Ballistic missile tests that traverse Japanese airspace or land within Japanese exclusive economic zones are met with public and political scrutiny and calls for increased ballistic missile defense and deterrent capabilities.
Improvements in defense budgets reflect the Japanese government's resolve to ensure a minimum national defense capability even during tense times caused by social welfare expenditure and an aging population. An increase in defense budgets would allow for military modernization, operational readiness, and increased military capability. It would also support Japan's domestic, high-technology, high-skilled, and research-and-development-driven defense industrial base, which contributes economic wealth through civilian commercial solutions. Increased funding could also send a signal of alliance solidarity to allies like the US that Japan is an important contributor to regional security with the development of its defense capabilities, reducing Japan's reliance on allies while increasing allied deterrence, while also offering international cooperation in technology, shared assets, and integration in systems to increase national capability and share the costs of development, maintenance, and upgrades. It also enables nations to improve capabilities that a single nation may not have been able to develop.
Japan Defense Industry Segmentation:
The report has segmented the market into the following categories:
Breakup by Armed Forces:
Breakup by Type:
Breakup by Region:
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Competitive Landscape:
Key highlights of the report:
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