Action 3251

Membership Information for: Protocol To The Comprehensive Nuclear Test Ban Treaty

Signed: 1996-09-24; Entered into force: 2599-01-01; Terminated:
Source for membership data: http://www.ctbto.org/the-treaty/status-of-signature-and-ratification/
Last downloaded: 2022-01-01; Last known update: 1996-09-24
The following is data currently in the IEA database for agreement actions. Agreement actions (signature, ratification, entry into force) can change frequently. The IEA Database Project updates this data approximately once a year and tries to ensure it is current and accurate. You are encouraged to visit the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization website to look for the most accurate and up-to-date membership information. If you have questions about this data or notice inaccuracies, please contact the Project Director.
Agreement Action Country Year Month Day Edit link
Signature Afghanistan 2003 9 24
Signature Albania 1996 9 27
Signature Algeria 1996 10 15
Signature Andorra 1996 9 24
Signature Angola 1996 9 27
Signature Antigua and Barbuda 1997 4 16
Signature Argentina 1996 9 24
Signature Armenia 1996 10 1
Signature Australia 1996 9 24
Signature Austria 1996 9 24
Signature Azerbaijan 1997 7 28
Signature Bahamas 2005 2 4
Signature Bahrain 1996 9 24
Signature Bangladesh 1996 10 24
Signature Barbados 2008 1 14
Signature Belarus 1996 9 24
Signature Belgium 1996 9 24
Signature Belize 2001 11 14
Signature Benin 1996 9 27
Signature Bolivia 1996 9 24
Signature Bosnia and Herzegovina 1996 9 24
Signature Botswana 2002 9 16
Signature Brazil 1996 9 24
Signature Brunei Darussalam 1997 1 22
Signature Bulgaria 1996 9 24
Signature Burkina Faso 1996 9 27
Signature Burundi 1996 9 24
Signature Cambodia 1996 9 26
Signature Cameroon 2001 11 16
Signature Canada 1996 9 24
Signature Cape Verde 1996 10 1
Signature Central African Republic 2001 12 19
Signature Chad 1996 10 8
Signature Chile 1996 9 24
Signature China 1996 9 24
Signature Colombia 1996 9 24
Signature Comoros 1996 12 12
Signature Congo, Democratic Republic of 1996 10 4
Signature Congo, Republic of the 1997 2 11
Signature Cook Islands 1997 12 5
Signature Costa Rica 1996 9 24
Signature Cote d'Ivoire 1996 9 25
Signature Croatia 1996 9 24
Signature Cuba 2021 2 4
Signature Cyprus 1996 9 24
Signature Czechia 1996 11 12
Signature Denmark 1996 9 24
Signature Djibouti 1996 10 21
Signature Dominican Republic 1996 10 3
Signature Ecuador 1996 9 24
Signature Egypt 1996 10 14
Signature El Salvador 1996 9 24
Signature Equatorial Guinea 1996 10 9
Signature Eritrea 2003 11 11
Signature Estonia 1996 11 20
Signature Eswatini 1996 9 24
Signature Ethiopia 1996 9 25
Signature Fiji 1996 9 24
Signature Finland 1996 9 24
Signature France 1996 9 24
Signature Gabon 1996 10 7
Signature Gambia 2003 4 9
Signature Georgia 1996 9 24
Signature Germany 1996 9 24
Signature Ghana 1996 10 3
Signature Greece 1996 9 24
Signature Grenada 1996 10 10
Signature Guatemala 1999 9 20
Signature Guinea 1996 10 3
Signature Guinea-Bissau 1997 4 11
Signature Guyana 2000 9 7
Signature Haiti 1996 9 24
Signature Holy See 1996 9 24
Signature Honduras 1996 9 25
Signature Hungary 1996 9 25
Signature Iceland 1996 9 24
Signature Indonesia 1996 9 24
Signature Iran 1996 9 24
Signature Iraq 2008 8 19
Signature Ireland 1996 9 24
Signature Israel 1996 9 25
Signature Italy 1996 9 24
Signature Jamaica 1996 11 11
Signature Japan 1996 9 24
Signature Jordan 1996 9 26
Signature Kazakhstan 1996 9 30
Signature Kenya 1996 11 14
Signature Kiribati 2000 9 7
Signature Korea, Republic of 1996 9 24
Signature Kuwait 1996 9 24
Signature Kyrgyzstan 1996 10 8
Signature Laos 1997 7 30
Signature Latvia 1996 9 24
Signature Lebanon 2005 9 16
Signature Lesotho 1996 9 30
Signature Liberia 1996 10 1
Signature Libya 2001 11 13
Signature Liechtenstein 1996 9 27
Signature Lithuania 1996 10 7
Signature Luxembourg 1996 9 24

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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).