Summary Table: Production and Status of Military Stocks of Fissile Material, end of 2003 (in tonnes)

We are often asked which countries have nuclear weapons, are seeking them, or may seek them in the future. In trying to answer the question, we have had to consider which countries possessed or tried to obtain nuclear weapons in the past. Our findings about both current and historical nuclear weapons programs are outlined on an interactive world map, and summarized in a companion table.

United States United States Sweden France Britain Belgium Netherlands Germany Spain India Japan Switzerland China Italy Russia Israel Australia Egypt Argentina Brazil Romania South Africa South Korea North Korea Taiwan Yugoslavia Algeria Syria Pakistan Iraq Iran Libya Norway Belarus Kazakhstan Ukraine Russia United States Canada

United States99.5700production halted
Russia1451070production halted
United Kingdom7.621.9production halted, but could purchase HEU from USA
France529production halted
China4.820production halted
Israel0.58?production continues
India0.38HEU production possibleproduction continues
Pakistan0.041.1production likely accelerated in 1998
North Korea0.015-0.04?production suspected
South Africa00.43-0.58production halted; nuclear weapons program dismantled in the early 1990s and stocks converted to civil use

Total (rounded)2631,843

*Central estimates only.  Uncertainties associated with the estimates in this table can be found on the corresponding page for each country.