Nuclear weapons programs around the world

A look at nuclear weapons programs around the world.

A look at nuclear weapons programs around the world:

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CONFIRMED NUCLEAR WEAPONS CAPABILITIES:

United States, Russia, China, France, Britain, Pakistan, India, North Korea
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UNDECLARED NUCLEAR WEAPONS CAPABILITIES:
Israel
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ALLEGED NUCLEAR WEAPONS PROGRAMS:
Iran, Syria
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FORMER NUCLEAR WEAPONS PROGRAMS:
South Africa, Iraq, Argentina, Brazil, South Korea, Taiwan, Sweden, Switzerland, Libya, ex-Soviet countries Belarus, Kazakhstan, Ukraine (inherited Soviet-era weapons on their soil when Soviet Union disbanded)

Some governments, such as Sweden's, undertook nuclear weapons research programs but did not begin to build weapons. South Africa is the only country known to have built and then given up nuclear weapons.