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

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