In recent years, Japan has grown increasingly concerned about the security of its supply chain for rare earth elements and other critical materials. Rare earths are essential to high-tech industries, including electric vehicles, wind turbines, smartphones, and defense equipment. However, over 60% of global rare earth production is concentrated in China, making Japan heavily reliant on a single source. Any geopolitical tension or trade restriction—such as export controls or embargoes—could severely disrupt Japanese manufacturing.To mitigate this risk, the Japanese government has implemented several measures: promoting domestic recycling and reuse technologies to enhance rare earth circularity; diversifying overseas supply sources by investing in rare earth projects in countries like Vietnam, India, and Australia; and strengthening supply chain cooperation with the United States and the European Union. Japan is also accelerating research into alternative materials and technologies that reduce reliance on rare earths.Experts note that critical minerals have become a new focal point in global strategic competition. Japan’s response reflects not only its economic security concerns but also its broader strategy in the ongoing restructuring of global supply chains. Building stable, diversified, and sustainable supply networks for critical materials will remain a key challenge for Japan and nations worldwide.
近年来，日本对稀土等关键材料的供应链安全日益担忧。稀土元素广泛应用于高科技产业，包括电动汽车、风力发电机、智能手机和国防设备等。然而，全球约60%以上的稀土产量集中在中国，使日本在战略资源上高度依赖单一来源。一旦发生地缘政治紧张或贸易限制，如出口管制或禁运，日本制造业将面临严重冲击。为降低风险，日本政府已采取多项措施：一方面推动国内资源回收与再利用技术，提升稀土循环利用率；另一方面积极寻求海外多元化供应，例如投资越南、印度和澳大利亚的稀土项目，并与美国、欧盟加强供应链合作。此外，日本也在加速研发替代材料和减少稀土使用的新技术。专家指出，关键矿产已成为全球战略竞争的新焦点。日本的应对策略不仅关乎经济安全，也反映了其在全球供应链重构中的战略布局。未来，构建稳定、多元且可持续的关键材料供应链，将是日本乃至世界各国的重要课题。
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