Worldwide Conflicts and Wars,
Terrorism and Armed Conflicts
Countries with Nuclear Weapons Capability

Acknowledged: Britain, China, France, India, Pakistan, Russia, United States

Unacknowledged: Israel

Seeking: North Korea¹, Iran²

Abandoned: South Africa -- Constructed but then voluntarily dismantled six uranium bombs. Belarus, Kazakhstan, Ukraine -- When Soviet Union broke up, these former states possessed nuclear warheads that they have since given up.

1. North Korea tested its first nuclear device on October 9, 2006.
2. In Aug. 2005, U.S. intelligence estimated that Iran would possess nuclear weapons in the next decade. In Jan. 2006, Iran announced its decision to restart nuclear research.
Source: U.S. State Department, TIME magazine and the Nuclear Threat Initiative.