Action 8507

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Membership Information for: Treaty on the Prohibition of Nuclear Weapons

Signed: 2017-07-07; Entered into force: 2021-01-22; Terminated:
Source for membership data: https://treaties.unoda.org/t/tpnw
Date of last download from source: 2022-12-05
This is the IEADB's most current data on signature, ratification, entry into force, and other membership actions. The IEADB updates this data approximately once a year and tries to ensure it is current and accurate. For the most current data, visit the United Nations website. For inaccuracies, please notify the Project Director.
Agreement Action Country Year Month Day Edit link
Ratification, Accession, Succession, or Similar Chile 2021 9 23
Ratification, Accession, Succession, or Similar Comoros 2021 2 19
Ratification, Accession, Succession, or Similar Congo, Democratic Republic of 2022 9 22
Ratification, Accession, Succession, or Similar Congo, Republic of the 2022 5 17
Ratification, Accession, Succession, or Similar Cook Islands 2018 9 4
Ratification, Accession, Succession, or Similar Costa Rica 2018 7 5
Ratification, Accession, Succession, or Similar Cote d'Ivoire 2022 3 23
Ratification, Accession, Succession, or Similar Cuba 2018 1 30
Ratification, Accession, Succession, or Similar Dominica 2019 10 18
Ratification, Accession, Succession, or Similar Dominican Republic 2022 9 22
Ratification, Accession, Succession, or Similar Ecuador 2019 9 25
Ratification, Accession, Succession, or Similar El Salvador 2019 1 30
Ratification, Accession, Succession, or Similar Fiji 2020 7 7
Ratification, Accession, Succession, or Similar Gambia 2018 9 26
Ratification, Accession, Succession, or Similar Grenada 2022 6 20
Ratification, Accession, Succession, or Similar Guatemala 2022 6 13
Ratification, Accession, Succession, or Similar Guinea-Bissau 2021 12 15
Ratification, Accession, Succession, or Similar Guyana 2017 9 20
Ratification, Accession, Succession, or Similar Holy See 2017 9 20
Ratification, Accession, Succession, or Similar Honduras 2020 10 24
Ratification, Accession, Succession, or Similar Ireland 2020 8 6
Ratification, Accession, Succession, or Similar Jamaica 2020 10 23
Ratification, Accession, Succession, or Similar Kazakhstan 2019 8 29
Ratification, Accession, Succession, or Similar Kiribati 2019 9 26
Ratification, Accession, Succession, or Similar Laos 2019 9 26
Ratification, Accession, Succession, or Similar Lesotho 2020 6 6
Ratification, Accession, Succession, or Similar Malawi 2022 6 29
Ratification, Accession, Succession, or Similar Malaysia 2020 9 30
Ratification, Accession, Succession, or Similar Maldives 2019 9 26
Ratification, Accession, Succession, or Similar Malta 2020 9 21
Ratification, Accession, Succession, or Similar Mexico 2018 1 16
Ratification, Accession, Succession, or Similar Mongolia 2021 12 10
Ratification, Accession, Succession, or Similar Namibia 2020 3 20
Ratification, Accession, Succession, or Similar Nauru 2020 10 23
Ratification, Accession, Succession, or Similar New Zealand 2018 7 31
Ratification, Accession, Succession, or Similar Nicaragua 2018 7 19
Ratification, Accession, Succession, or Similar Nigeria 2020 8 6
Ratification, Accession, Succession, or Similar Niue 2020 8 6
Ratification, Accession, Succession, or Similar Palau 2018 5 3
Ratification, Accession, Succession, or Similar Palestine, Occupied Territories 2018 3 22
Ratification, Accession, Succession, or Similar Panama 2019 4 11
Ratification, Accession, Succession, or Similar Paraguay 2020 1 23
Ratification, Accession, Succession, or Similar Peru 2021 12 23
Ratification, Accession, Succession, or Similar Philippines 2021 2 18
Ratification, Accession, Succession, or Similar Saint Kitts and Nevis 2020 8 9
Ratification, Accession, Succession, or Similar Saint Lucia 2019 1 23
Ratification, Accession, Succession, or Similar Saint Vincent and the Grenadines 2019 7 31
Ratification, Accession, Succession, or Similar Samoa 2018 9 26
Ratification, Accession, Succession, or Similar San Marino 2018 9 26
Ratification, Accession, Succession, or Similar Seychelles 2021 7 9
Ratification, Accession, Succession, or Similar South Africa 2019 2 25
Ratification, Accession, Succession, or Similar Thailand 2017 9 20
Ratification, Accession, Succession, or Similar Timor-Leste 2022 6 20
Ratification, Accession, Succession, or Similar Trinidad and Tobago 2019 9 26
Ratification, Accession, Succession, or Similar Tuvalu 2020 10 12
Ratification, Accession, Succession, or Similar Uruguay 2018 7 25
Ratification, Accession, Succession, or Similar Vanuatu 2018 9 26
Ratification, Accession, Succession, or Similar Venezuela 2018 3 27
Ratification, Accession, Succession, or Similar Viet Nam 2018 5 17
Entry Into Force Antigua and Barbuda 2021 1 22
Entry Into Force Austria 2021 1 22
Entry Into Force Bangladesh 2021 1 22
Entry Into Force Belize 2021 1 22
Entry Into Force Benin 2021 3 11
Entry Into Force Bolivia 2021 1 22
Entry Into Force Botswana 2021 1 22
Entry Into Force Cambodia 2021 4 22
Entry Into Force Cape Verde 2022 9 18
Entry Into Force Chile 2021 12 22
Entry Into Force Comoros 2021 5 20
Entry Into Force Congo, Democratic Republic of 2022 12 21
Entry Into Force Congo, Republic of the 2022 8 15
Entry Into Force Cook Islands 2021 1 22
Entry Into Force Costa Rica 2021 1 22
Entry Into Force Cote d'Ivoire 2022 6 21
Entry Into Force Cuba 2021 1 22
Entry Into Force Dominica 2021 1 22
Entry Into Force Dominican Republic 2022 12 21
Entry Into Force Ecuador 2021 1 22
Entry Into Force El Salvador 2021 1 22
Entry Into Force Fiji 2021 1 22
Entry Into Force Gambia 2021 1 22
Entry Into Force Grenada 2022 9 18
Entry Into Force Guatemala 2022 9 11
Entry Into Force Guinea-Bissau 2022 3 15
Entry Into Force Guyana 2021 1 22
Entry Into Force Holy See 2021 1 22
Entry Into Force Honduras 2021 1 22
Entry Into Force Ireland 2021 1 22
Entry Into Force Jamaica 2021 1 22
Entry Into Force Kazakhstan 2021 1 22
Entry Into Force Kiribati 2021 1 22
Entry Into Force Laos 2021 1 22
Entry Into Force Lesotho 2021 1 22
Entry Into Force Malawi 2022 9 27
Entry Into Force Malaysia 2021 1 22
Entry Into Force Maldives 2021 1 22
Entry Into Force Malta 2021 1 22
Entry Into Force Mexico 2021 1 22
Entry Into Force Mongolia 2022 3 10

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Membership status is coded as follows:

  • Countries listed are those that have signed and/or ratified the IEA in question.
  • Legend:
    • 0 (pink): Signer: country signed but did not ratify IEA. Status is 0 for all countries until IEA enters into force.
    • 1 (yellow): Ratifier: country signed and ratified IEA but IEA had not entered into force. Status is 1 for countries that have ratified until IEA enters into force.
    • 2 (green):Member: country signed and ratified IEA and IEA has entered into force for that country.
    • Ratifier row is count of states that have ratified.
    • Membership row is count (not sum) of members.
  • If membership data source lacks entry into force date, membership is inferred from year of ratification, if that year occurs after entry into force year of IEA.
  • Status can return to 0 if an IEA is terminated or if a country withdraws. In rare cases, countries later re-join IEAs, with their status returning to 2.
  • Action tab: membership by Action, Country, Year, Month, Day.
  • Wide tab: Annual status data (countries as rows, years as columns).
  • Long tab: Annual status data in Stata format (Country, Year, Membership Status).