Treaty on the Prohibition of Nuclear Weapons (TPNW or Nuclear Weapon Ban Treaty)
Ongoing

Aims to prohibit all nuclear weapon activities, including the development, testing, production, acquisition, possession, stockpiling, use, or threats to use nuclear weapons.

 

Adopted: 7 July 2017

Opened for signature: 20 September 2017

Entered into force: 22 January 2021

Signatures: 86

Parties: 61 (see table below)

 

More information, including the text of the Treaty on the Prohibition of Nuclear Weapons is available here.

The current status of the Treaty on the Prohibition of Nuclear Weapons is available here.

The following article related to the Treaty on the Prohibition of Nuclear Weapons was published in the Nuclear Law Bulletin:

  • In search of the elusive conflict: The (in-)compatibility of the Treaties on the Non-Proliferation and Prohibition of Nuclear Weapons, by M.J. Moffatt (NLB 102, p. 7).

 

Contracting Parties to the Treaty on the Prohibition of Nuclear Weapons
Antigua and Barbuda Ecuador Malta Saint Lucia
Austria El Salvador Mexico* Saint Vincent and the Grenadines
Bangladesh Fiji Mongolia Samoa
Belize Gambia Namibia San Marino
Benin Guinea-Bissau Nauru Seychelles
Bolivia Guyana New Zealand South Africa
Botswana Holy See Nicaragua Thailand
Cambodia Honduras Nigeria Trinidad and Tobago
Chile Ireland Niue Tuvalu
Comoros Jamaica Palau Uruguay
Congo Kazakhstan Palestinian Authority Vanuatu
Cook Islands Kiribati Panama Venezuela
Costa Rica Lao People's Democratic Republic Paraguay Viet Nam
Côte d'Ivoire Lesotho Peru  
Cuba Malaysia Philippines  
Dominica Maldives Saint Kitts and Nevis  

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