Action 2696

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Membership Information for: Statutes Of The Intergovernmental Oceanographic Commission

Signed: 1960-12-14; Entered into force: 1961-11-01; Terminated: 1999-11-16
Source for membership data: https://www.ioc.unesco.org/en/ioc-about-members-states
Date of last download from source: 2023-07-31
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 International Oceanographic Commission website. For inaccuracies, please notify the Project Director.
Agreement Action Country Year Month Day Edit link
Entry Into Force Sierra Leone 1974 4 19
Entry Into Force Singapore 1967 10 1
Entry Into Force Slovenia 1994 6 16
Entry Into Force Solomon Islands 1982 5 11
Entry Into Force Somalia 1974 7 10
Entry Into Force South Africa 1969 9 1
Entry Into Force Spain 1961 11 1
Entry Into Force Sri Lanka 1977 1 1
Entry Into Force Sudan 1974 8 26
Entry Into Force Suriname 1977 1 21
Entry Into Force Sweden 1965 11 1
Entry Into Force Switzerland 1961 11 1
Entry Into Force Syria 1971 11 1
Entry Into Force Tanzania 1969 9 1
Entry Into Force Thailand 1961 11 1
Entry Into Force Togo 1975 10 22
Entry Into Force Tonga 1974 1 3
Entry Into Force Trinidad and Tobago 1969 9 1
Entry Into Force Tunisia 1961 11 1
Entry Into Force Türkiye 1962 9 1
Entry Into Force Ukraine (Soviet period) 1962 9 1
Entry Into Force United Arab Emirates 1976 6 2
Entry Into Force United Kingdom 1961 11 1
Entry Into Force United States 1961 11 1
Entry Into Force Uruguay 1961 11 1
Entry Into Force Venezuela 1964 6 1
Entry Into Force Vietnam, South 1961 11 1
Entry Into Force Yemen (pre-1962) 1961 11 1

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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).