7 July 2017

Trends in world nuclear forces, 2017

Shannon N. Kile and Hans M. Kristensen

At the start of 2017 nine states—the United States, Russia, the United Kingdom, France, China, India, Pakistan, Israel and North Korea—possessed approximately 4150 operationally deployed nuclear weapons. If all nuclear warheads are counted, these states together possessed a total of approximately 14 935 nuclear weapons. While the overall number of nuclear weapons in the world continues to decline, none of the nuclear weapon-possessing states are prepared to give up their nuclear arsenals for the foreseeable future. This Fact Sheet estimates the nuclear weapon inventory of the nine nuclear-weapon possessing states and highlights some key aspects of the states’ recent nuclear-force developments.

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