These countries have demonstrated that they have nuclear weapons (year of first successful nuclear test noted in parentheses): United States (1945); Russia (as successor to the former Soviet Union; 1949); United Kingdom (1952); France (1960); China (1964); India (1974); Pakistan (1998); North Korea (2006). Israel is widely believed to possess nuclear weapons, but the country’s government maintains a policy of “nuclear ambiguity,” neither confirming nor denying its nuclear status.
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