The list of parties to the Treaty on the Prohibition of Nuclear Weapons encompasses the states which have signed and ratified or acceded to the Treaty on the Prohibition of Nuclear Weapons, a multilateral treaty outlawing nuclear weapons.
On 20 September 2017, the treaty was opened for signature. [1] Following Article 15 of the treaty, it entered into force on 22 January 2021 after it had been ratified by 50 states. [1] [2] States have the option of acceding to the treaty without signing.
A total of 197 states may become parties to the Treaty on the Prohibition of Nuclear Weapons, including all 193 member states of the United Nations, the Holy See, the State of Palestine, the Cook Islands, and Niue. As of January 2024, 70 states have ratified or acceded to the treaty, most recently São Tomé and Príncipe. [1]
According to the treaties database maintained by the United Nations Office for Disarmament Affairs, as of January 2024, the TPNW has 70 parties: 66 states have ratified it, and another 4 have acceded to it. [1]
State [3] [1] | Signed | Deposited | Method |
---|---|---|---|
Antigua and Barbuda | 26 September 2018 | 25 November 2019 | Ratification |
Austria | 20 September 2017 | 8 May 2018 | Ratification |
Bangladesh | 20 September 2017 | 26 September 2019 | Ratification |
Belize | 6 February 2020 | 19 May 2020 | Ratification |
Benin | 26 September 2018 | 11 December 2020 | Ratification |
Bolivia | 16 April 2018 | 6 August 2019 | Ratification |
Botswana | 26 September 2019 | 15 July 2020 | Ratification |
Cabo Verde | 20 September 2017 | 20 June 2022 | Ratification |
Cambodia | 9 January 2019 | 22 January 2021 | Ratification |
Chile | 20 September 2017 | 23 September 2021 | Ratification |
Comoros | 20 September 2017 | 19 February 2021 | Ratification |
Congo, Democratic Republic of the | 20 September 2017 | 22 September 2022 | Ratification |
Congo, Republic of the | 20 September 2017 | 17 May 2022 | Ratification |
Cook Islands | 4 September 2018 | Accession | |
Costa Rica | 20 September 2017 | 5 July 2018 | Ratification |
Côte d'Ivoire | 20 September 2017 | 23 March 2022 | Ratification |
Cuba | 20 September 2017 | 30 January 2018 | Ratification |
Dominica | 26 September 2019 | 18 October 2019 | Ratification |
Dominican Republic | 7 June 2018 | 22 September 2022 | Ratification |
Ecuador | 20 September 2017 | 25 September 2019 | Ratification |
El Salvador | 20 September 2017 | 30 January 2019 | Ratification |
Fiji | 20 September 2017 | 7 July 2020 | Ratification |
Gambia, The | 20 September 2017 | 26 September 2018 | Ratification |
Grenada | 26 September 2019 | 20 June 2022 | Ratification |
Guatemala | 20 September 2017 | 13 June 2022 | Ratification |
Guinea-Bissau | 26 September 2018 | 15 December 2021 | Ratification |
Guyana | 20 September 2017 | 20 September 2017 | Ratification |
Holy See [lower-alpha 1] | 20 September 2017 | 20 September 2017 | Ratification |
Honduras | 20 September 2017 | 24 October 2020 | Ratification |
Ireland | 20 September 2017 | 6 August 2020 | Ratification |
Jamaica | 8 December 2017 | 23 October 2020 | Ratification |
Kazakhstan | 2 March 2018 | 29 August 2019 | Ratification |
Kiribati | 20 September 2017 | 26 September 2019 | Ratification |
Laos | 21 September 2017 | 26 September 2019 | Ratification |
Lesotho | 26 September 2019 | 6 June 2020 | Ratification |
Malawi | 20 September 2017 | 29 June 2022 | Ratification |
Malaysia | 20 September 2017 | 30 September 2020 | Ratification |
Maldives | 26 September 2019 | 26 September 2019 | Ratification |
Malta | 25 August 2020 | 21 September 2020 | Ratification |
Mexico | 20 September 2017 | 16 January 2018 | Ratification |
Mongolia | 10 December 2021 | Accession | |
Namibia | 8 December 2017 | 20 March 2020 | Ratification |
Nauru | 22 November 2019 | 23 October 2020 | Ratification |
New Zealand | 20 September 2017 | 31 July 2018 | Ratification |
Nicaragua | 22 September 2017 | 19 July 2018 | Ratification |
Nigeria | 20 September 2017 | 6 August 2020 | Ratification |
Niue | 6 August 2020 | Accession | |
Palau | 20 September 2017 | 3 May 2018 | Ratification |
Palestine [lower-alpha 1] | 20 September 2017 | 22 March 2018 | Ratification |
Panama | 20 September 2017 | 11 April 2019 | Ratification |
Paraguay | 20 September 2017 | 23 January 2020 | Ratification |
Peru | 20 September 2017 | 23 December 2021 | Ratification |
Philippines | 20 September 2017 | 18 February 2021 | Ratification |
Saint Kitts and Nevis | 26 September 2019 | 9 August 2020 | Ratification |
Saint Lucia | 27 September 2018 | 23 January 2019 | Ratification |
Saint Vincent and the Grenadines | 8 December 2017 | 31 July 2019 | Ratification |
Samoa | 20 September 2017 | 26 September 2018 | Ratification |
San Marino | 20 September 2017 | 26 September 2018 | Ratification |
Seychelles | 26 September 2018 | 9 July 2021 | Ratification |
São Tomé and Príncipe | 20 September 2017 | 15 January 2024 | Ratification |
South Africa | 20 September 2017 | 25 February 2019 | Ratification |
Sri Lanka | 19 September 2023 | Accession | |
Thailand | 20 September 2017 | 20 September 2017 | Ratification |
Timor-Leste | 26 September 2018 | 20 June 2022 | Ratification |
Trinidad and Tobago | 26 September 2019 | 26 September 2019 | Ratification |
Tuvalu | 20 September 2017 | 12 October 2020 | Ratification |
Uruguay | 20 September 2017 | 25 July 2018 | Ratification |
Vanuatu | 20 September 2017 | 26 September 2018 | Ratification |
Venezuela | 20 September 2017 | 27 March 2018 | Ratification |
Vietnam | 22 September 2017 | 17 May 2018 | Ratification |
As of January 2024, the following 27 states have signed but not ratified the TPNW. [1]
State [1] | Signed |
---|---|
Algeria | 20 September 2017 |
Angola | 27 September 2018 |
Bahamas | 19 September 2023 |
Barbados | 22 September 2022 |
Brazil | 20 September 2017 |
Brunei Darussalam | 26 September 2018 |
Burkina Faso | 22 September 2022 |
Central African Republic | 20 September 2017 |
Colombia | 3 August 2018 |
Djibouti | 9 January 2023 |
Equatorial Guinea | 22 September 2022 |
Ghana | 20 September 2017 |
Haiti | 22 September 2022 |
Indonesia | 20 September 2017 |
Libya | 20 September 2017 |
Liechtenstein | 20 September 2017 |
Madagascar | 20 September 2017 |
Mozambique | 18 August 2020 |
Myanmar | 26 September 2018 |
Nepal | 20 September 2017 |
Niger | 9 December 2020 |
Sierra Leone | 22 September 2022 |
Sudan | 22 July 2020 |
Tanzania | 26 September 2019 |
Togo | 20 September 2017 |
Zambia | 26 September 2019 |
Zimbabwe | 4 December 2020 |
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