| Country | kg Pu | Form | Year |
|---|---|---|---|
| Australia | 4.1 | Fuel elements | 1974 |
| Belgium | 4.6 | Oxide, samples | 1963 - 1991 |
| Canada | 254.2 | Spent fuel, oxide, sources | 1959 - 1985 |
| Denmark | 0.3 | Fuel elements | 1978 |
| France | 0.6 | Oxide, samples | 1965 - 1985 |
| Germany, West | 2.1 | Oxide, samples | 1967 - 1987 |
| IAEA | 0.1 | Sources | 1973 |
| Italy | 2.2 | Fuel elements | 1970 |
| Japan | 0.4 | Spent fuel | 1965 - 1978 |
| South Africa | <0.1 | Spent fuel | 1976 |
| Switzerland | 2.8 | Oxide, sources | 1957 - 1984 |
| Sweden | 8.4 | Spent fuel | 1963 - 1979 |
| Taiwan | 79.1 | Spent fuel, oxide | 1978 - 1991 |
| United Kingdom | 24.5 | Fuel elements | 1967 - 1988 |
| Vietnam, South | 0.1 | Source | 1975 |
| Total | 383.5 |