Japan also does fuel reprocessing. https://www.world-nuclear.org/information-library/country-profiles/countries-g-n/japan-nuclear-fuel-cycle.aspx https://www.wo

Japan also does fuel reprocessing. https://www.world-nuclear.org/information-library/country-profiles/countries-g-n/japan-nuclear-fuel-cycle.aspx https://www.world-nuclear.org/information-library/country-pr... Which is why they have a substantial stockpile of (reactor grade) plutonium. https://www.japantimes.co.jp/news/2019/07/31/national/japans-plutonium-stockpile-declined-2018/ https://www.japantimes.co.jp/news/2019/07/31/national/japans...