Multilateral agreements in nuclear energy

II. Non-proliferation and nuclear security

Treaty on the Non-proliferation of Nuclear Weapons (Non-Proliferation Treaty or NPT)

The NPT aims to prevent the spread of nuclear weapons and weapons technology (non-proliferation), to promote co-operation in the peaceful uses of nuclear energy (peaceful uses) and to further the goal of achieving nuclear disarmament and general and complete disarmament (disarmament).

Adopted: 12 June 1968

Opened for signature: 1 July 1968 (London, Moscow and Washington)

Entered into force: 5 March 1970

Extended indefinitely: 11 May 1995

Parties: 191 (see table below)

More information on the NPT, including the text, is available here.

The current status of the NPT is available here.

The following articles related to the NPT were published in the Nuclear Law Bulletin:

Parties to the Treaty on the Non-proliferation of Nuclear Weapons
Afghanistan Djibouti Liberia Saint Vincent and the Grenadines
Albania Dominica Libya Samoa
Algeria Dominican Republic Liechtenstein San Marino
Andorra Ecuador Lithuania Sao Tome and Principe
Angola Egypt Luxembourg Saudi Arabia
Antigua and Barbuda El Salvador Madagascar Senegal
Argentina* Equatorial Guinea Malawi Serbia
Armenia* Eritrea Malaysia Seychelles
Australia Estonia Maldives Sierra Leone
Austria Ethiopia Mali Singapore
Azerbaijan Fiji Malta Slovakia*
Bahamas Finland* Marshall Islands Slovenia*
Bahrain Former Yugoslav Republic of Macedonia Mauritania Solomon Islands
Bangladesh France* Mauritius Somalia
Barbados Gabon Mexico* South Africa*
Belarus Gambia Micronesia Spain*
Belgium* Georgia Moldova Sri Lanka
Belize Germany* Monaco Sudan
Benin Ghana Mongolia Suriname
Bhutan Greece Montenegro Swaziland
Bolivia Grenada Morocco Sweden*
Bosnia and Herzegovina Guatemala Mozambique Switzerland*
Botswana Guinea Myanmar Syria
Brazil* Guinea-Bissau Namibia Tajikistan
Brunei Darussalam Guyana Nauru Thailand
Bulgaria* Haiti Nepal Timor-Leste
Burkina Faso Holy See Netherlands* Togo
Burundi Honduras New Zealand Tonga
Cambodia Hungary* Nicaragua Trinidad and Tobago
Cameroon Iceland Niger Tunisia
Canada* Indonesia Nigeria Turkey
Cape Verde Iraq Norway Turkmenistan
Central African Republic Ireland Oman Tuvalu
Chad Iran* Palau Uganda
Chile Italy Palestinian Authority Ukraine*
China* Jamaica Panama United Arab Emirates
Colombia Japan* Papua New Guinea United Kingdom*
Comoros Jordan Paraguay Tanzania
Congo Kazakhstan Peru United States*
Costa Rica Kenya Philippines Uruguay
Côte d'Ivoire Korea* Poland Uzbekistan
Croatia Kiribati Portugal Vanuatu
Cuba Kuwait Qatar Venezuela
Cyprus Kyrgyzstan Romania* Viet Nam
Czech Republic* Lao People's Democratic Republic Russia* Yemen
Democratic People's Republic of Korea Latvia Rwanda Zambia
Democratic Republic of the Congo Lebanon Saint Kitts and Nevis Zimbabwe
Denmark Lesotho Saint Lucia  

* Country with at least one nuclear power plant in operation.


Last reviewed: 6 August 2018

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