Action 2688

Membership Information for: Antarctic Treaty

Signed: 1959-12-01; Entered into force: 1961-06-23; Terminated:
Source for membership data: https://www.state.gov/antarctic-treaty/
Date of last download from source: 2023-05-17
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 Antarctic Treaty Secretariat website. For inaccuracies, please notify the Project Director.
Agreement Action Country Year Month Day Edit link
Signature Argentina 1959 12 1
Signature Australia 1959 12 1
Signature Belgium 1959 12 1
Signature Chile 1959 12 1
Signature France 1959 12 1
Signature Japan 1959 12 1
Signature New Zealand 1959 12 1
Signature Norway 1959 12 1
Signature Russian Federation 1959 12 1
Signature South Africa 1959 12 1
Signature United Kingdom 1959 12 1
Signature United States 1959 12 1
Ratification, Accession, Succession, or Similar Argentina 1961 6 23
Ratification, Accession, Succession, or Similar Aruba 1986 1 1
Ratification, Accession, Succession, or Similar Australia 1961 6 23
Ratification, Accession, Succession, or Similar Austria 1987 8 25
Ratification, Accession, Succession, or Similar Belarus 2006 12 27
Ratification, Accession, Succession, or Similar Belgium 1960 7 26
Ratification, Accession, Succession, or Similar Brazil 1975 5 16
Ratification, Accession, Succession, or Similar Bulgaria 1978 9 11
Ratification, Accession, Succession, or Similar Canada 1988 5 4
Ratification, Accession, Succession, or Similar Chile 1961 6 23
Ratification, Accession, Succession, or Similar China 1983 6 8
Ratification, Accession, Succession, or Similar Colombia 1989 1 31
Ratification, Accession, Succession, or Similar Costa Rica 2022 8 11
Ratification, Accession, Succession, or Similar Cuba 1984 8 16
Ratification, Accession, Succession, or Similar Curacao 2010 10 10
Ratification, Accession, Succession, or Similar Czechia 1962 6 14
Ratification, Accession, Succession, or Similar Denmark 1965 5 20
Ratification, Accession, Succession, or Similar Ecuador 1987 9 15
Ratification, Accession, Succession, or Similar Estonia 2001 5 17
Ratification, Accession, Succession, or Similar Finland 1984 5 5
Ratification, Accession, Succession, or Similar France 1960 9 16
Ratification, Accession, Succession, or Similar Germany 1979 2 5
Ratification, Accession, Succession, or Similar Greece 1987 1 8
Ratification, Accession, Succession, or Similar Guatemala 1991 7 31
Ratification, Accession, Succession, or Similar Hungary 1984 1 27
Ratification, Accession, Succession, or Similar Iceland 2015 10 13
Ratification, Accession, Succession, or Similar India 1983 8 19
Ratification, Accession, Succession, or Similar Italy 1981 3 18
Ratification, Accession, Succession, or Similar Japan 1960 8 4
Ratification, Accession, Succession, or Similar Kazakhstan 2015 1 27
Ratification, Accession, Succession, or Similar Korea, Democratic People's Republic 1987 1 21
Ratification, Accession, Succession, or Similar Korea, Republic of 1986 11 28
Ratification, Accession, Succession, or Similar Malaysia 2011 10 31
Ratification, Accession, Succession, or Similar Monaco 2008 5 31
Ratification, Accession, Succession, or Similar Mongolia 2015 3 23
Ratification, Accession, Succession, or Similar Netherlands 1967 3 30
Ratification, Accession, Succession, or Similar New Zealand 1960 11 1
Ratification, Accession, Succession, or Similar Norway 1960 8 24
Ratification, Accession, Succession, or Similar Pakistan 2012 3 1
Ratification, Accession, Succession, or Similar Papua New Guinea 1981 3 16
Ratification, Accession, Succession, or Similar Peru 1981 4 10
Ratification, Accession, Succession, or Similar Poland 1961 6 8
Ratification, Accession, Succession, or Similar Portugal 2010 1 29
Ratification, Accession, Succession, or Similar Romania 1971 9 15
Ratification, Accession, Succession, or Similar Russian Federation 1960 11 2
Ratification, Accession, Succession, or Similar Saint Martin 1967 3 30
Ratification, Accession, Succession, or Similar San Marino 2023 2 14
Ratification, Accession, Succession, or Similar Slovakia 1993 1 1
Ratification, Accession, Succession, or Similar Slovenia 2019 4 22
Ratification, Accession, Succession, or Similar South Africa 1960 6 21
Ratification, Accession, Succession, or Similar Spain 1982 3 31
Ratification, Accession, Succession, or Similar Sweden 1984 4 24
Ratification, Accession, Succession, or Similar Switzerland 1990 11 15
Ratification, Accession, Succession, or Similar Türkiye 1996 1 24
Ratification, Accession, Succession, or Similar Ukraine 1992 10 28
Ratification, Accession, Succession, or Similar United Kingdom 1960 5 31
Ratification, Accession, Succession, or Similar United States 1960 8 18
Ratification, Accession, Succession, or Similar Uruguay 1980 1 11
Ratification, Accession, Succession, or Similar Venezuela 1999 3 24
Entry Into Force Argentina 1961 6 23
Entry Into Force Aruba 1986 1 1
Entry Into Force Australia 1961 6 23
Entry Into Force Austria 1987 8 25
Entry Into Force Belarus 2006 12 27
Entry Into Force Belgium 1961 6 23
Entry Into Force Brazil 1975 5 16
Entry Into Force Bulgaria 1978 9 11
Entry Into Force Canada 1988 5 4
Entry Into Force Chile 1961 6 23
Entry Into Force China 1983 6 8
Entry Into Force Colombia 1989 1 31
Entry Into Force Costa Rica 2022 8 11
Entry Into Force Cuba 1984 8 16
Entry Into Force Curacao 2010 10 10
Entry Into Force Czechia 1962 6 14
Entry Into Force Denmark 1965 5 20
Entry Into Force Ecuador 1987 9 15
Entry Into Force Estonia 2001 5 17
Entry Into Force Finland 1984 5 5
Entry Into Force France 1961 6 23
Entry Into Force Germany 1979 2 5
Entry Into Force Greece 1987 1 8
Entry Into Force Guatemala 1991 7 31
Entry Into Force Hungary 1984 1 27
Entry Into Force Iceland 2015 10 13
Entry Into Force India 1983 8 19
Entry Into Force Italy 1981 3 18
Entry Into Force Japan 1961 6 23

Pages

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).