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Signature and ratification status

The Treaty on the Prohibition of Nuclear Weapons opened for signature at the United Nations in New York on 20 September 2017 and entered into force on 22 January 2021.
There are currently 92 signatories and 68 states parties.
Signatory States
States Parties
Algeria20 september 2017
Angola27 september 2018
Antigua and Barbuda26 september 2018
Austria20 september 2017
Bangladesh20 september 2017
Barbados22 september 2022
Belize6 february 2020
Benin26 september 2018
Bolivia16 april 2018
Botswana26 september 2019
Brazil20 september 2017
Brunei26 september 2018
Burkina Faso22 september 2022
Cabo Verde20 september 2017
Cambodia9 january 2019
Central African Republic20 september 2017
Chile20 september 2017
Colombia3 august 2018
Comoros20 september 2017
Congo20 september 2017
Costa Rica20 september 2017
Côte d’Ivoire20 september 2017
Cuba20 september 2017
Djibouti9 january 2023
Dominica26 september 2019
Dominican Republic7 june 2018
Democratic Republic of the Congo20 september 2017
Ecuador20 september 2017
El Salvador20 september 2017
Equatorial Guinea22 september 2022
Fiji20 september 2017
Gambia20 september 2017
Ghana20 september 2017
Grenada26 september 2019
Guatemala20 september 2017
Guinea-Bissau26 september 2018
Guyana20 september 2017
Haiti22 september 2022
Holy See20 september 2017
Honduras20 september 2017
Indonesia20 september 2017
Ireland20 september 2017
Jamaica8 december 2017
Kazakhstan2 march 2018
Kiribati20 september 2017
Laos21 september 2017
Lesotho26 september 2019
Libya20 september 2017
Liechtenstein20 september 2017
Madagascar20 september 2017
Malawi20 september 2017
Malaysia20 september 2017
Maldives26 september 2019
Malta25 august 2020
Mexico20 september 2017
Mozambique18 august 2020
Myanmar26 september 2018
Namibia8 december 2017
Nauru22 november 2019
Nepal20 september 2017
New Zealand20 september 2017
Nicaragua22 september 2017
Niger9 december 2020
Nigeria20 september 2017
Palau20 september 2017
Palestine20 september 2017
Panama20 september 2017
Paraguay20 september 2017
Peru20 september 2017
Philippines20 september 2017
Saint Kitts and Nevis26 september 2019
Saint Lucia27 september 2018
Saint Vincent and the Grenadines8 december 2017
Samoa20 september 2017
San Marino20 september 2017
São Tomé and Príncipe20 september 2017
Seychelles26 september 2018
Sierra Leone22 september 2022
South Africa20 september 2017
Sudan22 july 2020
Tanzania26 september 2019
Thailand20 september 2017
Timor-Leste26 september 2018
Togo20 september 2017
Trinidad and Tobago26 september 2019
Tuvalu20 september 2017
Uruguay20 september 2017
Vanuatu20 september 2017
Venezuela20 september 2017
Vietnam22 september 2017
Zambia26 september 2019
Zimbabwe4 december 2020
Antigua and Barbuda25 november 2019
Austria8 may 2018
Bangladesh26 september 2019
Belize19 may 2020
Benin11 december 2020
Bolivia6 august 2019
Botswana15 july 2020
Cabo Verde20 june 2022
Cambodia22 january 2021
Chile23 september 2021
Comoros19 february 2021
Congo17 may 2022
Cook Islands4 september 2018
Costa Rica5 july 2018
Côte d’Ivoire23 march 2022
Cuba30 january 2018
Dominica18 october 2019
Dominican Republic22 september 2022
Democratic Republic of the Congo22 september 2022
Ecuador25 september 2019
El Salvador30 january 2019
Fiji7 july 2020
Gambia26 september 2018
Grenada20 june 2022
Guatemala13 june 2022
Guinea-Bissau15 december 2021
Guyana20 september 2017
Holy See20 september 2017
Honduras24 october 2020
Ireland6 august 2020
Jamaica23 october 2020
Kazakhstan29 august 2019
Kiribati26 september 2019
Laos26 september 2019
Lesotho6 june 2020
Malawi29 june 2022
Malaysia30 september 2020
Maldives26 september 2019
Malta21 september 2020
Mexico16 january 2018
Mongolia10 december 2021
Namibia20 march 2020
Nauru23 october 2020
New Zealand31 july 2018
Nicaragua19 july 2018
Nigeria6 august 2020
Niue6 august 2020
Palau3 may 2018
Palestine22 march 2018
Panama11 april 2019
Paraguay23 january 2020
Peru23 december 2021
Philippines18 february 2021
Saint Kitts and Nevis9 august 2020
Saint Lucia23 january 2019
Saint Vincent and the Grenadines31 july 2019
Samoa26 september 2018
San Marino26 september 2018
Seychelles9 july 2021
South Africa25 february 2019
Thailand20 september 2017
Timor-Leste20 june 2022
Trinidad and Tobago26 september 2019
Tuvalu12 october 2020
Uruguay25 july 2018
Vanuatu26 september 2018
Venezuela27 march 2018
Vietnam17 may 2018