Programs that Essentially Ended By the Time the NPT Started

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

[Summary Table]

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