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: 69 (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 Seychelles
Bolivia Grenada Namibia South Africa
Botswana Guatemala Nauru Sri Lanka
Cabo Verde Guinea-Bissau New Zealand Thailand
Cambodia Guyana Nicaragua Timor-Leste
Chile Holy See Nigeria Trinidad and Tobago
Comoros Honduras Niue Tuvalu
Congo Ireland Palau Uruguay
Cook Islands Jamaica Palestinian Authority Vanuatu
Costa Rica Kazakhstan Panama Venezuela
Côte d'Ivoire Kiribati Paraguay Viet Nam
Cuba Lao People's Democratic Republic Peru  
Democratic Republic of the Congo Lesotho Philippines  
Dominica Malawi Saint Kitts and Nevis  

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