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: 95
  • Parties: 74 (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 Malaysia Saint Vincent and the Grenadines
Austria El Salvador Maldives Samoa
Bangladesh Fiji Malta San Marino
Belize Gambia Mexico* Sao Tome and Principe
Benin Ghana Mongolia Seychelles
Bolivia Grenada Namibia Sierra Leone
Botswana Guatemala Nauru Solomon Islands
Cabo Verde Guinea-Bissau New Zealand South Africa
Cambodia Guyana Nicaragua Sri Lanka
Chile Holy See Nigeria Thailand
Comoros Honduras Niue Timor-Leste
Congo Indonesia Palau Trinidad and Tobago
Cook Islands Ireland Palestinian Authority Tuvalu
Costa Rica Jamaica Panama Uruguay
Côte d'Ivoire Kazakhstan Paraguay Vanuatu
Cuba Kiribati Peru Venezuela
Democratic Republic of the Congo Lao People's Democratic Republic Philippines Viet Nam
Dominica Lesotho Saint Kitts and Nevis  
Dominican Republic Malawi Saint Lucia  

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