The Japanese government and ruling coalition are considering setting defense spending for the five years starting April 2027 at ¥70 trillion to ¥80 trillion ($457 billion to $508 billion).

Overview Debates Related claims Topics Sources

Japan's current five-year defense program focuses spending on long-range missiles for counterstrike capabilities, as well as ammunition and spare parts for military equipment.

The final defense budget figure remains subject to debate between the Japanese government and coalition partners as the budget is compiled toward year-end alongside revisions to security documents.

A source familiar with Japan's defense budget discussions questioned whether a mid-to-late ¥70 trillion sum would be sufficient given the security environment in East Asia.

Currency depreciation pressures have joined equipment procurement needs in driving up Japan's projected five-year defense budget estimates toward the ¥70 trillion to ¥80 trillion range.

Japan's new five-year defense spending plan is expected to fund procurement of large numbers of drones.

The proposed defense allocation represents an increase of about 1.8 times over the roughly ¥43 trillion allocated under Japan's current five-year plan that began in fiscal 2023.

The Japanese Ministry of Defense has been developing domestically manufactured long-range missiles to adapt to modern warfare.

Japanese officials in September 2026 cited drone combat applications seen in conflicts in Ukraine and Iran as background for structuring Japan's defense around intercepting long-range attacks.

Japan is exploring structuring defense operations around intercepting long-range attacks by deploying drones, alongside prioritizing budget allocations for AI and space technologies.

North Korea's Defence Ministry stated via KCNA on October 30, 2026, that the South Korea-US Freedom Flag air defence drills were increasing tensions on the Korean Peninsula.

A spokesperson for North Korea's Defence Ministry stated on October 30, 2026, that the DPRK has no limit on options to maintain a strong deterrent posture against U.S. military moves.

,The Freedom Flag drills involve supersonic stealth jets, including South Korea's F-35A and the U.S. Marine Corps' F-35B fighter aircraft.

The United States and South Korea began the two-week biannual Freedom Flag joint air defense exercise on October 26, 2026, scheduled to run through November 6, 2026, at Kunsan Air Base.

On July 30, 2026, Saudi Arabia established a Red Sea maritime coalition to protect navigation and energy supplies, which Sudan's defense minister stated on October 28, 2026, Sudan intends to join.

The Liaoning aircraft carrier battle group was positioned east of the Philippines, with other Chinese formations off Taiwan's east coast and three off southern Japan.

Joseph Wu stated on October 28, 2026 that Chinese naval activity presents an obvious simultaneous threat to Taiwan, Japan, and the Philippines.

A senior Taiwan security official noted that if the Liaoning carrier group moves north towards Japan after Philippine Sea drills, it indicates intent to pressure Japan's defence posture.

Japan's Defence Ministry tracked three Chinese warships and a Coast Guard vessel passing through the Osumi Strait off Kyushu into the Pacific Ocean on October 27, 2026.

Taiwan Defence Minister Wellington Koo stated on October 29, 2026 that Taiwan opposes any attempt to project deterrence that undermines Indo-Pacific stability.

Taiwan Defence Minister Wellington Koo stated on October 29, 2026 that Taiwan conducts intelligence exchanges with regional partners while building its own deterrence capabilities.