Nuclear security

Global nuclear weapons: downsizing but modernizing

The Stockholm International Peace Research Institute (SIPRI) today launches its annual nuclear forces data, which highlights the current trends and developments in world nuclear arsenals. The data shows that 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.

At the start of 2016 nine states—the United States, Russia, the United Kingdom, France, China, India, Pakistan, Israel and North Korea—possessed approximately 4,120 operationally deployed nuclear weapons. If all nuclear warheads are counted, these states together possessed a total of approximately 15,395 nuclear weapons compared with 15,850 in early 2015 (see table 1).