How many nuclear bombs are there in the world today?
There are five countries with nuclear weapons that are part of the Nuclear Non-Proliferation Treaty – China, France, Russia, the United Kingdom and the United States. Together, they possess about 27 000 nuclear warheads. The United States and Russia control about 95 percent of these warheads. Three countries – India, Pakistan and Israel – have not joined the Treaty and have or believed to have nuclear weapons. North Korea also says it has produced nuclear weapons, but no other country or international organization has been able to verify this. 4. What challenges do you face in trying to stop the spread of nuclear weapons? The International Atomic Energy Agency works to make sure that nuclear material is only used for peaceful purposes, and not used for making nuclear weapons. We monitor 900 nuclear facilities in more than 70 countries – but in order to succeed, we need the help of every single country. One challenge we face is that modern technology spreads more easily than in earlier