Action 2807

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Membership Information for: Convention On The Prohibition Of The Development, Production And Stockpiling Of Bacteriological (Biological) And Toxin Weapons, And On Their Destruction

Signed: 1972-04-10; Entered into force: 1975-03-26; Terminated:
Source for membership data: https://treaties.unoda.org/t/bwc
Date of last download from source: 2023-07-23
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 United Nations Department of Disarmament Affairs website. For inaccuracies, please notify the Project Director.
Agreement Action Country Year Month Day Edit link
Entry Into Force South Sudan 2023 2 15
Entry Into Force Spain 1979 6 20
Entry Into Force Sri Lanka 1986 11 18
Entry Into Force Sudan 2003 10 17
Entry Into Force Suriname 1993 1 6
Entry Into Force Sweden 1976 2 5
Entry Into Force Switzerland 1976 5 4
Entry Into Force Tanzania 2019 8 14
Entry Into Force Thailand 1975 5 28
Entry Into Force Timor-Leste 2003 5 5
Entry Into Force Togo 1976 11 10
Entry Into Force Tonga 1976 9 28
Entry Into Force Trinidad and Tobago 2007 7 19
Entry Into Force Tunisia 1975 3 26
Entry Into Force Türkiye 1975 3 26
Entry Into Force Turkmenistan 1996 3 8
Entry Into Force Uganda 1992 5 12
Entry Into Force United Arab Emirates 2008 6 19
Entry Into Force United Kingdom 1975 3 26
Entry Into Force United States 1975 3 26
Entry Into Force Uruguay 1981 4 6
Entry Into Force Vanuatu 2016 9 6
Entry Into Force Venezuela 1978 10 18
Entry Into Force Viet Nam 1980 6 20
Entry Into Force Yemen 1990 5 22
Entry Into Force Yemen, Arab Republic 1979 6 1
Entry Into Force Zambia 2008 1 15
Entry Into Force Zimbabwe 1990 11 5
Withdrawal or Similar Czechia 1992 12 31
Entry Into Force 2 Czechia 1993 1 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).