Countries with nuclear weapons

Published On: Feb 12 2013 10:53:33 AM CST   Updated On: Sep 12 2013 03:53:43 PM CDT

North Korea have have restarted a nuclear reactor it shut down in 2007, once again raising worries about the country's nuclear weapons program. But how many weapons does North Korea -- or any other country -- actually have?

London generic
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Oli Scarff/Getty Images

United Kingdom Total inventory: 225 weapons. Operational strategic: 160 weapons.

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