Action 2726

Membership Information for: Treaty Banning Nuclear Weapon Tests In The Atmosphere, In Outer Space And Under Water

Signed: 1963-08-05; Entered into force: 1963-10-10; Terminated:
Source for membership data: https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/532671…
Last downloaded: 2016-10-15; Last known update: 2006-06-03
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 1963 8 8
Signature Algeria 1963 8 14
Signature Argentina 1963 8 9
Signature Australia 1963 8 8
Signature Austria 1963 9 11
Signature Belgium 1963 8 8
Signature Benin 1963 8 27
Signature Bolivia 1963 8 21
Signature Brazil 1963 8 8
Signature Bulgaria 1963 8 8
Signature Burkina Faso 1963 8 30
Signature Burundi 1963 10 4
Signature Cameroon 1963 8 27
Signature Canada 1963 8 8
Signature Chad 1963 8 26
Signature Chile 1963 8 8
Signature Colombia 1963 8 16
Signature Congo, Democratic Republic of 1963 8 9
Signature Costa Rica 1963 8 9
Signature Cote d'Ivoire 1963 9 5
Signature Cyprus 1963 8 8
Signature Czechia 1963 8 8
Signature Denmark 1963 8 9
Signature Dominican Republic 1963 9 16
Signature Ecuador 1963 9 27
Signature Egypt 1963 8 8
Signature El Salvador 1963 8 21
Signature Ethiopia 1963 8 9
Signature Finland 1963 8 8
Signature Gabon 1963 9 10
Signature Germany 1963 8 19
Signature Ghana 1963 8 9
Signature Greece 1963 8 9
Signature Guatemala 1963 9 23
Signature Haiti 1963 10 9
Signature Honduras 1963 8 8
Signature Hungary 1963 8 8
Signature Iceland 1963 8 12
Signature India 1963 8 8
Signature Indonesia 1963 8 23
Signature Iran 1963 8 8
Signature Iraq 1963 8 13
Signature Ireland 1963 8 8
Signature Israel 1963 8 8
Signature Italy 1963 8 8
Signature Jamaica 1963 8 13
Signature Japan 1963 8 14
Signature Jordan 1963 8 12
Signature Korea, Republic of 1963 8 30
Signature Kuwait 1963 8 20
Signature Laos 1963 8 12
Signature Lebanon 1963 8 12
Signature Liberia 1963 8 8
Signature Libya 1963 8 9
Signature Luxembourg 1963 8 13
Signature Madagascar 1963 9 23
Signature Malaysia 1963 8 8
Signature Mali 1963 8 23
Signature Mauritania 1963 9 13
Signature Mexico 1963 8 8
Signature Mongolia 1963 8 8
Signature Morocco 1963 8 27
Signature Myanmar 1963 8 14
Signature Nepal 1963 8 26
Signature Netherlands 1963 8 9
Signature New Zealand 1963 8 8
Signature Nicaragua 1963 8 13
Signature Niger 1963 9 24
Signature Nigeria 1963 9 2
Signature Norway 1963 8 9
Signature Pakistan 1963 8 14
Signature Panama 1963 9 20
Signature Paraguay 1963 8 15
Signature Peru 1963 8 23
Signature Philippines 1963 8 8
Signature Poland 1963 8 8
Signature Portugal 1963 10 9
Signature Romania 1963 8 8
Signature Russian Federation 1963 8 5
Signature Rwanda 1963 9 19
Signature Samoa 1963 9 5
Signature San Marino 1963 9 17
Signature Senegal 1963 9 20
Signature Serbia 1963 8 8
Signature Sierra Leone 1963 9 4
Signature Somalia 1963 8 19
Signature Spain 1963 8 13
Signature Sri Lanka 1963 8 22
Signature Sudan 1963 8 9
Signature Sweden 1963 8 12
Signature Switzerland 1963 8 26
Signature Syria 1963 8 13
Signature Taiwan 1963 8 23
Signature Tanzania 1963 9 16
Signature Thailand 1963 8 8
Signature Togo 1963 9 18
Signature Trinidad and Tobago 1963 8 12
Signature Tunisia 1963 8 8
Signature Türkiye 1963 8 9
Signature Uganda 1963 8 29

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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).