The following countries have signed the United Nations’ Treaty on the Prohibition of Nuclear Weapons:
- Algeria
- Angola
- Antigua & Barbuda
- Austria
- Bangladesh
- Belize
- Benin
- Bolivia
- Botswana
- Brazil
- Brunei
- Cabo Verde
- Cambodia
- Central African Republic
- Chile
- Colombia
- Comoros
- Congo, Democratic Republic of the
- Congo, Republic of the
- Costa Rica
- Cote d’Ivoire
- Cuba
- Dominica
- Dominican Republic
- Ecuador
- El Salvador
- Fiji
- Gambia
- Ghana
- Grenada
- Guatemala
- Guyana
- Guinea- Bissau
- Holy See
- Honduras
- Indonesia
- Ireland
- Jamaica
- Kazakhstan
- Kiribati
- Laos
- Lesotho
- Libya
- Liechtenstein
- Madagascar
- Malawi
- Malaysia
- Maldives
- Malta
- Mexico
- Mozambique
- Myanmar
- Namibia
- Nauru
- Nepal
- New Zealand
- Nicaragua
- Niger
- Nigeria
- Palau
- Palestine
- Panama
- Paraguay
- Peru
- Philippines
- Saint Lucia
- Saint Vincent and the Grenadines
- Samoa
- San Marino
- Sao Tome & Principe
- Seychelles
- South Africa
- St Kitts & Nevis
- Sudan
- Tanzania
- Thailand
- Timor-Leste
- Togo
- Trinidad & Tobago
- Tuvalu
- Uruguay
- Vanuatu
- Venezuela
- Vietnam
- Zambia
- Zimbabwe
86 signatories
The following countries have ratified the United Nations’ Treaty on the Prohibition of Nuclear Weapons:
- Antigua & Barbuda
- Austria
- Bangladesh
- Belize
- Benin
- Bolivia
- Botswana
- Cambodia
- Chile
- Comoros
- Cook Islands
- Costa Rica
- Cuba
- Dominica
- Ecuador
- El Salvador
- Fiji
- Gambia
- Guyana
- Holy See
- Honduras
- Ireland
- Jamaica
- Kazakhstan
- Kiribati
- Laos
- Lesotho
- Malaysia
- Maldives
- Malta
- Mexico
- Namibia
- Nauru
- New Zealand
- Nicaragua
- Nigeria
- Niue
- Palau
- Palestine
- Panama
- Paraguay
- Philippines
- Seychelles
- St Kitts and Nevis
- St Lucia
- St Vincent & Grenadines
- Samoa
- San Marino
- South Africa
- Thailand
- Trinidad & Tobago
- Tuvalu
- Uruguay
- Vanuatu
- Venezuela
- Vietnam
56 ratifications
The treaty entered into force on 22 January 2021.