The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT, is a landmark international treaty whose objective is to prevent the spread of nuclear weapons and weapons technology, to promote cooperation in the peaceful uses of nuclear energy and to further the goal of achieving nuclear disarmament and general and complete disarmament. Opened for signature in 1968, the Treaty entered into force in ...
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The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT, is a landmark international treaty whose objective is to prevent the spread of nuclear weapons and weapons technology, to promote cooperation in the peaceful uses of nuclear energy and to further the goal of achieving nuclear disarmament and general and complete disarmament. Opened for signature in 1968, the Treaty entered into force in 1970. On 11 May 1995, the Treaty was extended indefinitely. A total of 190 parties have joined the Treaty, including the five nuclear-weapon States: the United States, Russia, the United Kingdom, France, and China (also the five permanent members of the United Nations Security Council). More countries have ratified the NPT than any other arms limitation and disarmament agreement, a testament to the Treaty's significance. Four non-parties to the treaty are known or believed to possess nuclear weapons: India, Pakistan and North Korea have openly...
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