Besides the five Nuclear Weapon States defined by the Nuclear Non-Proliferation Treaty, what other nuclear-armed countries exist today?

There are three or four others: India, which first tested in 1974 and Pakistan, which tested in 1998. Israel has not reported testing and has to public knowledge not conducted any nuclear test, but is, according to research institutions such as for example the Stockholm International Peace and Research Institute, Natural Resources Defence Council and the Nuclear Threat Initiative, assumed to be a nuclear-armed state. The Democratic People’s Republic of Korea announced that it had conducted a nuclear test in 2006.

View all FAQs