Countries with nuclear weapons

Published: Feb 12 2013 11:53:33 AM EST   Updated On: Sep 12 2013 04:53:43 PM EDT

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?

Nuclear radioactive sign
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iStock/BWB

Satellite images of North Korea's Yongbyon nuclear facility suggest it has restarted a plutonium production reactor, once again raising worries about the hermit country's nuclear weapons program. But how many weapons does North Korea -- or any other country, for that matter -- actually have? The Federation of American Scientists has some estimates here:

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