Wide 2688

Membership Information for: Antarctic Treaty

Signed: 1959-12-01; Entered into force: 1961-06-23; Terminated:
Source for membership data: http://www.state.gov/documents/organization/81421.pdf
Last downloaded: 2016-10-15; Last known update: 2015-10-13
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 Antarctic Treaty Secretariat 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.
Country1959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019
Ratifiers0900000000000000000000000000000000000000000000000000000000000
Members (agreement in force)001314141415151818181819191919202020212223262729333335394041424343454545464646474748484848484949505052535454545555555555
Argentina0022222222222222222222222222222222222222222222222222222222222
Aruba0000000000000000000000000002222222222222222222222222222222222
Australia0022222222222222222222222222222222222222222222222222222222222
Austria0000000000000000000000000000222222222222222222222222222222222
Belarus0000000000000000000000000000000000000000000000022222222222222
Belgium0122222222222222222222222222222222222222222222222222222222222
Bonaire0000000022222222222222222222222222222222222222222222222222222
Brazil0000000000000000222222222222222222222222222222222222222222222
Bulgaria0000000000000000000222222222222222222222222222222222222222222
Canada0000000000000000000000000000022222222222222222222222222222222
Chile0022222222222222222222222222222222222222222222222222222222222
China0000000000000000000000002222222222222222222222222222222222222
Colombia0000000000000000000000000000002222222222222222222222222222222
Cuba0000000000000000000000000222222222222222222222222222222222222
Curacao0000000000000000000000000000000000000000000000000002222222222
Czech Republic0000000000000000000000000000000000222222222222222222222222222
Czechoslovakia0002222222222222222222222222222220000000000000000000000000000
Denmark0000002222222222222222222222222222222222222222222222222222222
Ecuador0000000000000000000000000000222222222222222222222222222222222
Estonia0000000000000000000000000000000000000000002222222222222222222
Finland0000000000000000000000000222222222222222222222222222222222222
France0122222222222222222222222222222222222222222222222222222222222
Germany, Former FRG0000000000000000000022222222222222222222222222222222222222222
Greece0000000000000000000000000000222222222222222222222222222222222
Guatemala0000000000000000000000000000000022222222222222222222222222222
Hungary0000000000000000000000000222222222222222222222222222222222222
Iceland0000000000000000000000000000000000000000000000000000000022222
India0000000000000000000000002222222222222222222222222222222222222
Italy0000000000000000000000222222222222222222222222222222222222222
Japan0122222222222222222222222222222222222222222222222222222222222
Korea, Democratic People's Republic0000000000000000000000000000222222222222222222222222222222222
Korea, Republic of0000000000000000000000000002222222222222222222222222222222222
Malaysia0000000000000000000000000000000000000000000000000000222222222
Monaco0000000000000000000000000000000000000000000000000222222222222
Netherlands0000000022222222222222222222222222222222222222222222222222222
New Zealand0122222222222222222222222222222222222222222222222222222222222
Norway0122222222222222222222222222222222222222222222222222222222222
Pakistan0000000000000000000000000000000000000000000000000000022222222
Papua New Guinea0000000000000000000000222222222222222222222222222222222222222
Peru0000000000000000000000222222222222222222222222222222222222222
Poland0022222222222222222222222222222222222222222222222222222222222
Portugal0000000000000000000000000000000000000000000000000002222222222
Romania0000000000002222222222222222222222222222222222222222222222222
Saint Martin0000000022222222222222222222222222222222222222222222222222222
Slovakia0000000000000000000000000000000000222222222222222222222222222
South Africa0122222222222222222222222222222222222222222222222222222222222
Spain0000000000000000000000022222222222222222222222222222222222222
Sweden0000000000000000000000000222222222222222222222222222222222222
Switzerland0000000000000000000000000000000222222222222222222222222222222
Turkey0000000000000000000000000000000000000222222222222222222222222
Ukraine0000000000000000000000000000000002222222222222222222222222222
Union of Soviet Socialist Republics0122222222222222222222222222222222222222222222222222222222222
United Kingdom0122222222222222222222222222222222222222222222222222222222222
United States0122222222222222222222222222222222222222222222222222222222222
Uruguay0000000000000000000002222222222222222222222222222222222222222
Venezuela0000000000000000000000000000000000000000222222222222222222222
Members (agreement in force)001314141415151818181819191919202020212223262729333335394041424343454545464646474748484848484949505052535454545555555555
Ratifiers0900000000000000000000000000000000000000000000000000000000000

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).