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: 92
  • Parties: 68 (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 Dominica Lesotho Peru
Austria Dominican Republic Malawi Philippines
Bangladesh Ecuador Malaysia Saint Kitts and Nevis
Belize El Salvador Maldives Saint Lucia
Benin Fiji Malta Saint Vincent and the Grenadines
Bolivia Gambia Mexico* Samoa
Botswana Grenada Mongolia San Marino
Cabo Verde Guatemala Namibia Seychelles
Cambodia Guinea-Bissau Nauru South Africa
Chile Guyana New Zealand Thailand
Comoros Holy See Nicaragua Timor-Leste
Congo Honduras Nigeria Trinidad and Tobago
Cook Islands Ireland Niue Tuvalu
Costa Rica Jamaica Palau Uruguay
Côte d'Ivoire Kazakhstan Palestinian Authority Vanuatu
Cuba Kiribati Panama Venezuela
Democratic Republic of the Congo Lao People's Democratic Republic Paraguay Viet Nam

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