6 December 2025

Japan’s Hybrid Approach to AI Governance: Balancing Soft Law and Hard Law

Kyoko Yoshinaga

Japan has been a leader in international discussions on responsible artificial intelligence (AI) from the outset, helping shape the G-7, Organisation for Economic Co-operation and Development (OECD), and G-20 principles. Most notably, as the G-7 host in 2023, Japan launched the Hiroshima AI Process, which established eleven guiding principles for a code of conduct for organizations developing advanced AI systems as shared global values for safe and trustworthy AI, while respecting national differences in regulatory approaches.

Domestically, Japan adopts a “soft law” approach to AI governance through guidelines that are not legally binding, complemented by the newly enacted AI Promotion Act, which also avoids direct penalties. This flexible framework has sometimes been misunderstood as “hands-off” regulation, raising questions about enforcement. However, there are unique reasons why it functions effectively in Japan, where cooperation between government and industry and social accountability play significant roles.

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