| Country | kg Pu | Form | Years |
|---|---|---|---|
| Argentina | <0.1 | Samples, standards | 1969 - 1980 |
| Austria | 0.2 | Sources, samples | 1960 - 1965 |
| Australia | 6.4 | Fuel elements, sources | 1960 - 1970 |
| Belgium | 11.8 | Oxide, metal, samples | 1957 - 1991 |
| Brazil | 0.1 | Sources, samples | 1963 - 1978 |
| Canada | 3.5 | Oxide, sources, samples | 1957 - 1990 |
| Columbia | 0.1 | Sources | 1964 |
| Czechoslovakia | <0.1 | Samples, standards | 1977 - 1982 |
| Denmark | 0.1 | Sources, samples | 1959 - 1963 |
| Finland | <0.1 | Samples, standards | 1975 - 1979 |
| France | 41.5 | Oxide, sources, samples | 1957 - 1991 |
| Germany, West | 518.1 | Oxide, metal, sources, samples | 1961 - 1989 |
| Greece | 0.2 | Sources | 1963 |
| IAEA | 0.4 | Sources, standards, samples | 1964 - 1994 |
| Ireland | <0.1 | Sources | 1963 |
| India | 0.1 | Sources, samples | 1968 - 1973 |
| Iran | 0.1 | Sources | 1967 |
| Iraq | <0.1 | Sources | 1975 |
| Israel | 0.6 | Sources, samples | 1960 - 1969 |
| Italy | 2.3 | Fuel elements, sources | 1960 - 1978 |
| Japan | 113.5 | Fuel elements, oxide, sources | 1962 - 1991 |
| Korea, South | <0.1 | Sources, samples | 1961 - 1989 |
| Mexico | 0.2 | Sources, samples | 1967 - 1973 |
| Netherlands | 0.9 | Oxide, sources, samples | 1960 - 1982 |
| New Zealand | 0.1 | Sources | 1961 |
| Norway | <0.1 | Samples, standards | 1958 - 1966 |
| Pakistan | 0.1 | Sources | 1965 - 1972 |
| Philippines | <0.1 | Sources | 1962 |
| Portugal | <0.1 | Samples | 1980 |
| South Africa | 0.2 | Sources | 1965 |
| Switzerland | 4.3 | Oxide, sources, samples | 1959 - 1986 |
| Spain | <0.1 | Samples, standards | 1963 - 1967 |
| Sweden | 9.3 | Fuel elements, sources | 1957 - 1984 |
| Taiwan | 0.1 | Sources, samples | 1959 - 1973 |
| Thailand | 0.1 | Sources | 1962 |
| Turkey | 0.4 | Sources | 1961 - 1966 |
| United Kingdom | 33.9 | Fuel elements, sources | 1974 - 1988 |
| Uruguay | 0.1 | Sources | 1965 |
| Venezuela | <0.1 | Sources | 1960 |
| Vietnam, South | 0.1 | Sources | 1962 |
| Total | 748.8 |