Countries with nuclear weapons

Published On: Feb 12 2013 10:53:33 AM CST   Updated On: Apr 02 2013 09:38:21 AM CDT

North Korea announced Tuesday it was restarting a nuclear reactor that it shut down five years ago, once again raising worries about the country's nuclear weapons program. But how many weapons does North Korea – or any other country, for that matter -- actually have?

Hydrogen bomb test, 1952 Ivy Mike
2 / 11
Comprehensive Nuclear-Test-Ban Treaty Organization

The total inventory is all the weapons a country is believed to have, including stockpiles. Operational strategic weapons are functioning weapons designed to hit specific targets.

Upload Photos / Videos