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AI Regulation & PolicyJapan Times TechPublished: Oct 22, 2026, 22:01 JST

Japan weighs counting AI, satellites in 3.5% defense goal

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Japan weighs counting AI, satellites in 3.5% defense goal

3 Key Points

  1. What happened

    Five government officials say Tokyo is reviewing whether spending on AI, satellites, R&D and infrastructure like ports and railways can count as defense-related costs, to approach defense spending equal to 3.5% of GDP.

  2. Why it matters

    Broadening what counts as defense-related could let Japan move closer to the 3.5% level the U.S. has urged allies to achieve, without a sharp increase in narrowly defined military outlays.

WHO IT HITSThis affects Japanese government budget planners and defense policymakers, who would need to reclassify existing and planned spending across AI, satellite, R&D and infrastructure programs. It may also concern bond market participants watching Japan's record budget demands and debt issuance.

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Context & Analysis

The review comes as Tokyo balances U.S. calls for more defense spending against fiscal constraints. Japan is already dealing with record budget demands: total requests for the next fiscal year have exceeded ¥143 trillion ($910 billion). Market pressure has forced Prime Minister Sanae Takaichi to pledge to keep issuance of deficit-covering bonds at around ¥40 trillion, after her tax-cut and big spending plans jolted bond markets over fears of adding to Japan's debt pile, the largest among the world's major economies. Broadening the definition of security-related expenditures could help Japan move toward the 3.5% of GDP level without a proportional increase in narrowly defined military outlays, though officials cautioned that no decisions have been made. One official framed the challenge simply: “The key issue is how much can be included as defense-related spending.” Chief Cabinet Secretary Minoru Kihara added that “the important thing is not the amount of money itself but the substance of our defense capabilities,” suggesting the debate may hinge on how capabilities are defined and measured.

FAQ
What spending areas are being considered?
Officials said spending on AI, satellites, research and development, and infrastructure including ports and railways could be classified as defense-related costs.
Has the government made a decision?
Chief Cabinet Secretary Minoru Kihara said on Thursday that no decisions had been made on defense spending levels or related expenditures.
What would 3.5% of GDP mean in yen?
Based on Japan's current growth estimates, spending equivalent to 3.5% of GDP would be roughly ¥24 trillion annually, compared with about ¥9 trillion in the current fiscal year's defense budget.
Japan Times TechRead Original Article
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