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: 93
  • Parties: 73 (see table below)

More information on the Treaty on the Prohibition of Nuclear Weapons, including the text, 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 Maldives Samoa
Austria El Salvador Malta San Marino
Bangladesh Fiji Mexico* Sao Tome and Principe
Belize Gambia Mongolia Seychelles
Benin Grenada Namibia Sierra Leone
Bolivia Guatemala Nauru Solomon Islands
Botswana Guinea-Bissau New Zealand South Africa
Cabo Verde Guyana Nicaragua Sri Lanka
Cambodia Holy See Nigeria Thailand
Chile Honduras Niue Timor-Leste
Comoros Indonesia Palau Trinidad and Tobago
Congo Ireland Palestinian Authority Tuvalu
Cook Islands Jamaica Panama Uruguay
Costa Rica Kazakhstan Paraguay Vanuatu
Côte d'Ivoire Kiribati Peru Venezuela
Cuba Lao People's Democratic Republic Philippines Viet Nam
Democratic Republic of the Congo Lesotho Saint Kitts and Nevis  
Dominica Malawi Saint Lucia  
Dominican Republic Malaysia Saint Vincent and the Grenadines  

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