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Japan Pushes G7 Critical Minerals Plan as China Tensions Shape Supply-Chain Debate

By Kenji Yamamoto3 min read
Japans?Prime Minister Sanae Takaichi speaks to reporters ahead of her departure for a tour of Europe at the Prime Minister's Official Residence in Tokyo on June 13, 2026. (Photo by JIJI PRESS / AFP) / Japan OUT

Tokyo, 14 June 2026 – Japan is seeking to place critical-mineral security at the centre of the upcoming G7 summit, with Prime Minister Sanae Takaichi reportedly proposing a coordinated stockpiling framework aimed at reducing exposure to export disruptions.

The proposal comes as advanced economies grow increasingly concerned about access to rare earths and other critical minerals used in semiconductors, electric vehicles, renewable energy, defence systems and high-performance electronics. These materials have become central to the global technology race, making supply-chain security a strategic priority for governments and corporations.

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Author

  • Kenji Yamamoto is a Senior Fellow at The Ledger Asia, where he explores the critical nexus of Asian international relations, economic development, and environmental sustainability. With extensive experience in cross-border policy analysis, Kenji provides a unique perspective on how diplomatic alliances and green energy transitions drive long-term growth across the Asia-Pacific.

    Previously an advisor for regional development banks, he specializes in sustainable infrastructure and the circular economy’s role in modernizing emerging markets. At The Ledger Asia, Kenji’s deep-dive reports help readers navigate the complex balance between rapid industrialization and the global imperative for climate resilience and corporate responsibility.