As of 2023, the volume of enriched plutonium in Japan's inventory amounted to approximately ** kilograms, making up the largest amount of Japan's nuclear fuel material stock. The Japanese government planned to pursue a nuclear fuel recycling program in which uranium and plutonium will be extracted from spent fuel from nuclear power plants to process it for further use.
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JAEA. (July 14, 2025). Volume of nuclear fuel material inventory in Japan in 2023, by fuel (in metric tons) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 29, 2026, from /statistics/1181437/japan-nuclear-fuel-material-inventory-by-fuel/
JAEA. "Volume of nuclear fuel material inventory in Japan in 2023, by fuel (in metric tons)." Chart. July 14, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 29, 2026. /statistics/1181437/japan-nuclear-fuel-material-inventory-by-fuel/
JAEA. (2025). Volume of nuclear fuel material inventory in Japan in 2023, by fuel (in metric tons). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 29, 2026. /statistics/1181437/japan-nuclear-fuel-material-inventory-by-fuel/
JAEA. "Volume of Nuclear Fuel Material Inventory in Japan in 2023, by Fuel (in Metric Tons)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 14 Jul 2025, /statistics/1181437/japan-nuclear-fuel-material-inventory-by-fuel/
JAEA, Volume of nuclear fuel material inventory in Japan in 2023, by fuel (in metric tons) ÌÇÐÄÆÆ½â°æ, /statistics/1181437/japan-nuclear-fuel-material-inventory-by-fuel/ (last visited July 29, 2026)
Volume of nuclear fuel material inventory in Japan in 2023, by fuel (in metric tons) [Graph], JAEA, July 14, 2025. [Online]. Available: /statistics/1181437/japan-nuclear-fuel-material-inventory-by-fuel/