Treaty on the Prohibition of Nuclear Weapons

Adopted in New York: 7 July 2017
 
Opened for signature in New York: 20 September 2017
 
Entry into force: 22 January 2021
 
Depositary: Secretary-General of the United Nations
State Signature Deposit Deposit Type
Guyana 20 September 2017  
20 September 2017  
Ratification
Holy See 20 September 2017  
20 September 2017  
Ratification
Thailand 20 September 2017  
20 September 2017  
Ratification
Mexico 20 September 2017  
16 January 2018  
Ratification
Cuba 20 September 2017  
30 January 2018 *
Ratification
State of Palestine 20 September 2017  
22 March 2018  
Ratification
Venezuela (Bolivarian Republic of) 20 September 2017  
27 March 2018  
Ratification
Palau 20 September 2017  
3 May 2018  
Ratification
Austria 20 September 2017  
8 May 2018  
Ratification
Viet Nam 22 September 2017  
17 May 2018  
Ratification
Costa Rica 20 September 2017  
5 July 2018  
Ratification
Nicaragua 22 September 2017  
19 July 2018  
Ratification
Uruguay 20 September 2017  
25 July 2018  
Ratification
New Zealand 20 September 2017  
31 July 2018 *
Ratification
Cook Islands 4 September 2018 *
Accession
Gambia 20 September 2017  
26 September 2018  
Ratification
Samoa 20 September 2017  
26 September 2018  
Ratification
San Marino 20 September 2017  
26 September 2018  
Ratification
Vanuatu 20 September 2017  
26 September 2018  
Ratification
Saint Lucia 27 September 2018  
23 January 2019  
Ratification
El Salvador 20 September 2017  
30 January 2019  
Ratification
South Africa 20 September 2017  
25 February 2019  
Ratification
Panama 20 September 2017  
11 April 2019  
Ratification
Saint Vincent and the Grenadines 8 December 2017  
31 July 2019  
Ratification
Bolivia (Plurinational State of) 16 April 2018  
6 August 2019  
Ratification
Kazakhstan 2 March 2018  
29 August 2019  
Ratification
Ecuador 20 September 2017  
25 September 2019  
Ratification
Bangladesh 20 September 2017  
26 September 2019  
Ratification
Kiribati 20 September 2017  
26 September 2019  
Ratification
Lao People's Democratic Republic 21 September 2017  
26 September 2019  
Ratification
Maldives 26 September 2019  
26 September 2019  
Ratification
Trinidad and Tobago 26 September 2019  
26 September 2019  
Ratification
Dominica 26 September 2019  
18 October 2019  
Ratification
Antigua and Barbuda 26 September 2018  
25 November 2019  
Ratification
Paraguay 20 September 2017  
23 January 2020  
Ratification
Namibia 8 December 2017  
20 March 2020  
Ratification
Belize 6 February 2020  
19 May 2020  
Ratification
Lesotho 26 September 2019  
6 June 2020  
Ratification
Fiji 20 September 2017  
7 July 2020  
Ratification
Botswana 26 September 2019  
15 July 2020  
Ratification
Ireland 20 September 2017  
6 August 2020  
Ratification
Nigeria 20 September 2017  
6 August 2020  
Ratification
Niue 6 August 2020  
Accession
Saint Kitts and Nevis 26 September 2019  
9 August 2020  
Ratification
Malta 25 August 2020  
21 September 2020  
Ratification
Malaysia 20 September 2017  
30 September 2020  
Ratification
Tuvalu 20 September 2017  
12 October 2020  
Ratification
Jamaica 8 December 2017  
23 October 2020  
Ratification
Nauru 22 November 2019  
23 October 2020  
Ratification
Honduras 20 September 2017  
24 October 2020  
Ratification
Algeria 20 September 2017  
Angola 27 September 2018  
Benin 26 September 2018  
Brazil 20 September 2017  
Brunei Darussalam 26 September 2018  
Cabo Verde 20 September 2017  
Cambodia 9 January 2019  
Central African Republic 20 September 2017  
Chile 20 September 2017  
Colombia 3 August 2018  
Comoros 20 September 2017  
Congo 20 September 2017  
Côte d'Ivoire 20 September 2017  
Democratic Republic of the Congo 20 September 2017  
Dominican Republic 7 June 2018  
Ghana 20 September 2017  
Grenada 26 September 2019  
Guatemala 20 September 2017  
Guinea-Bissau 26 September 2018  
Indonesia 20 September 2017  
Libya 20 September 2017  
Liechtenstein 20 September 2017  
Madagascar 20 September 2017  
Malawi 20 September 2017  
Mozambique 18 August 2020  
Myanmar 26 September 2018  
Nepal 20 September 2017  
Peru 20 September 2017  
Philippines 20 September 2017  
Sao Tome and Principe 20 September 2017  
Seychelles 26 September 2018  
Sudan 22 July 2020  
Timor-Leste 26 September 2018  
Togo 20 September 2017  
United Republic of Tanzania 26 September 2019  
Zambia 26 September 2019  

* A note, statement, declaration, or reservation, is attached to the signature or depository action. Click on the action date to view the details.

  Glossary of treaty-related terms

Number of Signatory States: 84
Number of States Parties: 50