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Many states are in the process of becoming parties to the Treaty on the Prohibition of Nuclear Weapons (TPNW). Below is a summary of the status of the ratification processes for all signatory states, along with a summary of commitments by several non-signatories to review and join the treaty. Ratification kits to assist states in becoming parties to the TPNW are available here.
SIGNATORY STATES
| Algeria | Mozambique |
| Angola | Myanmar |
| Brazil | Nepal |
| Brunei | Niger |
| Central African Republic | São Tomé and Príncipe |
| Colombia | Sudan |
| Ghana | Tanzania |
| Indonesia | Togo |
| Libya | Zambia |
| Liechtenstein | Zimbabwe |
| Madagascar |
Algeria
“Algeria intends to ratify the TPNW in the very near future.” – 12 October 2020
Angola
The ratification process is under way.
Brazil
“The [TPNW] is currently under consideration by the Brazilian national congress with a view to its ratification.” – 22 January 2021
Brunei
The ratification process is under way.
Central African Republic
“The internal procedure for ratifying the TPNW is in progress.” – 12 October 2018
Colombia
“The TPNW was signed by Colombia on 3 August 2018 and the internal legislative process leading to its eventual ratification is pending.” – 6 March 2020
Ghana
“The government of Ghana is considering the legal instrument that would seal the ratification of this all-important treaty. It is our hope that our country will soon join the ranks of state parties before the next meeting of states parties.” – 21 June 2022
Indonesia
“Currently, Indonesia is still under the process to ratify the treaty. We are, however, very hopeful that, by the time that the first meeting of states parties is held early next year, Indonesia will be joining as a state party.” – 22 January 2021
Libya
No clear information.
Liechtenstein
“Liechtenstein reiterates our commitment to ratifying the TPNW … at the earliest possibility.” – 11 October 2021
Madagascar
The ratification process is under way.
Mozambique
At the first meeting of states parties to the TPNW in Vienna in June 2022, Mozambique announced that “currently internal procedures are under way” to ratify the treaty “as quickly as possible”.
Myanmar
“Myanmar signed the TPNW in September 2018 and had planned to ratify it this year. This ratification, sadly, is no longer possible with the naked power grab and illegal coup by the brutal military. But … we sincerely wish to ratify it as soon as possible, with proper endorsements by the duly elected representatives of the people of Myanmar.” – 7 October 2021
Nepal
“Nepal is committed to ratifying the [TPNW] at the earliest possible.” – 4 October 2021
Niger
At the first meeting of states parties to the TPNW in Vienna in June 2022, Niger announced that its ratification of the TPNW “is progressing and certainly high up the agenda”.
São Tomé and Príncipe
The ratification process is under way.
Sudan
“Sudan is currently undertaking its internal legal and administrative processes to ratify the [TPNW].” – 12 October 2020
Tanzania
“[Tanzania’s] ratification process is under way.” – 28 September 2021
Togo
“Togo’s ratification procedure of the TPNW is nearly complete.” – 23 October 2019
Zambia
The ratification process is under way. In 2017, the parliament’s committee on national security and foreign affairs reviewed the TPNW and issued a report on its merits.
Zimbabwe
“Consultations, as well as administrative processes, for ratification are at an advanced stage.” – 11 October 2021
NON-SIGNATORIES (PARTIAL LIST)
| Andorra | Ethiopia |
| Argentina | Iraq |
| Bahamas | Rwanda |
| Chad | Suriname |
| Egypt | Turkmenistan |
| Eswatini |
Andorra
“I am confident that, once we complete our internal procedures, Andorra will be in a position to sign and ratify the TPNW.” – Foreign Minister, 25 July 2019
Argentina
“[Argentina] is continuing its analysis and evaluation of the text of the [TPNW].” – 5 November 2020
Bahamas
“The Bahamas … hopes to be in a position to join on to the [TPNW] following the completion of [its] internal review.” – 12 October 2020
Chad
“Chad will adhere [to the TPNW] when the time comes.” – 16 July 2020
Egypt
“Signing and ratifying the TPNW is subject to an ongoing internal review and assessment by the Egyptian government.” – 2 December 2020
Eswatini
“[Eswatini] is involved in internal processes to become a party to the [TPNW] soon.” – 23 October 2018
Ethiopia
“We have fully supported the [TPNW] and we look forward to ratifying it to facilitate its entry into force.” – 2 October 2020
Iraq
“The issue of the Treaty on the Prohibition of Nuclear Weapons is still under consideration of our government.” – 31 March 2020
Rwanda
In January 2022, the ministry of foreign affairs indicated that Rwanda would adhere to the TPNW in due course.
Suriname
“The TPNW is currently under consideration.” – 8 September 2021
Turkmenistan
“The issue of accession to the TPNW is under the consideration of the government of Turkmenistan.” – 17 February 2021