* Organization for Economic Co-operation and Development/ Nuclear Energy Association countries (OECD/NEA) members include
Argentina, Australia, Austria, Belgium, Bulgaria, Canada, Czechia, Denmark, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Japan, Korea, Luxembourg, Mexico, the Netherlands, Norway, Poland,
Portugal, Romania, Russia (suspended), the Slovak Republic, Slovenia, Spain, Sweden, Switzerland, Turkey, the United
Kingdom, and the United States.
Includes storage at the nuclear plants location and away from the nuclear plants.
** Includes fuel from light-water reactors (LWR) and fast reactors (FR).
*** Includes fuel from light-water reactors (LWR) and heavy water reactors (HWR).
**** Includes fuel from light-water reactors (LWR) and fast reactors (FR). Arisings figure not available, cumulative data for spent fuel in storage.
Includes fuel from light-water reactors (LWR), gas-cooled reactors (GCR), and others.
Citation formats
Spent nuclear fuel arisings and in storage NEA/OECD area 2020, by country
The major nuclear power producing country among the NEA/OECD members, the United States, accounted for the largest volume of spent nuclear fuel stored in the world, with over * tons of heavy metal in 2020. The largest volume of nuclear waste from spent nuclear fuel (arisings) was also in the country. Argentina followed, although this country only had operable nuclear power reactors.
During the recycling process of spent nuclear fuel, the fission products (arisings), which are radioactive and non-recyclable, are separated from re-usable uranium and plutonium. The fission products are only **** percent of the total volume of spent nuclear fuel, and represent the nuclear waste, which is stored long-term until it loses its radioactivity.
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OECD-NEA. (July 1, 2022). Spent nuclear fuel arisings and cumulative in storage in NEA/OECD countries* in 2020, by country (in tons of heavy metal) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1391067/spent-nuclear-fuel-volume-worldwide-by-country/
OECD-NEA. "Spent nuclear fuel arisings and cumulative in storage in NEA/OECD countries* in 2020, by country (in tons of heavy metal)." Chart. July 1, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1391067/spent-nuclear-fuel-volume-worldwide-by-country/
OECD-NEA. (2022). Spent nuclear fuel arisings and cumulative in storage in NEA/OECD countries* in 2020, by country (in tons of heavy metal). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1391067/spent-nuclear-fuel-volume-worldwide-by-country/
OECD-NEA. "Spent Nuclear Fuel Arisings and Cumulative in Storage in Nea/Oecd Countries* in 2020, by Country (in Tons of Heavy Metal)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Jul 2022, /statistics/1391067/spent-nuclear-fuel-volume-worldwide-by-country/
OECD-NEA, Spent nuclear fuel arisings and cumulative in storage in NEA/OECD countries* in 2020, by country (in tons of heavy metal) ÌÇÐÄÆƽâ°æ, /statistics/1391067/spent-nuclear-fuel-volume-worldwide-by-country/ (last visited July 29, 2026)
Spent nuclear fuel arisings and cumulative in storage in NEA/OECD countries* in 2020, by country (in tons of heavy metal) [Graph], OECD-NEA, July 1, 2022. [Online]. Available: /statistics/1391067/spent-nuclear-fuel-volume-worldwide-by-country/
