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Non-proliferation treaty

International treaty Nuclear Non-Proliferation TreatyTreaty on the Non-Proliferation of Nuclear WeaponsParticipation in the Nuclear Non-Proliferation Treaty Recognized nuclear-weapon state ratifiers Recognized nuclear-weapon state acceders Other ratifiers Other acceders or succeeders Former parties (North Korea) Non-parties(India, Israel, Pakistan, South Sudan) Partially recognized state that ratified (Taiwan) Signed1 July 1968LocationMoscow, Soviet Union; London, United Kingdom; Washington D.C., United StatesEffective5 March 1970ConditionRatification by the Soviet Union, the United Kingdom, the United States, and 40 other signatory states.Parties191 (according to the United Nations, complete list) 190 (de facto)membership in dispute: North Koreanon-parties: India, Israel, Pakistan and South SudanDepositaryGovernments of the United States, the United Kingdom, and the Russian Federation (successor to the Soviet Union)LanguagesEnglish, Russian, French, Spanish and ChineseFull text Nuclear Non-Proliferation Treaty at Wikisource This article is part of a series aboutNon-proliferation, disarmament, & arms control Overview Nuclear weapons Major treatiesNPT · TPNW · JCPOA · CPPNM · UNSC resolution 1540 Regional restrictionsATS · Outer Space Treaty · Seabed Treaty · NWFZ · Treaty of Tlatelolco · Treaty of Rarotonga · Treaty of Pelindaba · Treaty of Semipalatinsk · Bangkok treaty · ZPCAS · Two Plus Four Agreement · Indo-US nuclear deal Weapons limitationsMcCloy–Zorin Accords · PTBT · TTBT · CTBT · ABM · FMCT · INF · SALT · START I · START II · New START · SORT CooperationQuebec Agreement · Nassau Agreement · Nuclear Suppliers Group · IPPNW · Zangger Committee · Polaris Sales Agreement · Nuclear Terrorism Convention · US–UK Mutual Defence Agreement Related conceptsNuclear deterrence · Nuclear disarmament · Nuclear arms race · Nuclear latency Chemical weapons Treaties & agreementsChemical Weapons Convention · Strasbourg Agreement · Hague Conventions · Geneva Protocol · Australia Group · 1990 Chemical Weapons Accord · Related conceptsChemical warfare · Dual-use chemicals · Chemical weapons destruction facility · United States chemical weapons program Biological weapons Treaty & related conceptsBiological Weapons Convention · Biological warfare · Biological agent · History of biological warfare · United States biological weapons program · Soviet biological weapons program · Iraqi biological weapons program · Operation Sea-Spray Conventional weapons Treaties & regimesATT · CCW · HCOC · CCM · Ottawa Treaty · Multilateral export control regime · Missile Technology Control Regime · Wassenaar Arrangement · Illicit Trade in Small Arms · Gun control · Arms embargo Control & monitoring Intergovernmental organizationsUNODA · UNRCPD · UNREC · UNLIREC · IAEA · OPCW · CND · CTBTO PrepCom Nuclear technology portalvte The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT, is an international treaty, the objective of which 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.

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