Nuclear security

All nuclear weapon-possessing states develop new systems — report

At the start of 2015, nine states - the United States, Russia, the United Kingdom, France, China, India, Pakistan, Israel and the Democratic People’s Republic of Korea (DPRK, or North Korea) - possessed approximately 15 850 nuclear weapons, of which 4300 were deployed with operational forces. Roughly 1800 of these weapons were kept in a state of high operational alert.