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Membership Information for: Convention On Environmental Impact Assessment In A Transboundary Context

Signed: 1991-02-25; Entered into force: 1997-09-10; Terminated:
Source for membership data: https://treaties.un.org/pages/ViewDetails.aspx?src=TREATY&mtdsg_no=XXVII-4&chapt…
Date of last download from source: 2022-10-31
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 UN Economic Commission for Europe (UNECE) website. For inaccuracies, please notify the Project Director.
Country1991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024
Ratifiers023510121010000010101100000000000000
Members (agreement in force)0.50.50.50.50.50.518242831384040404041414243444545454545454545454545454545
Albania1111112222222222222222222222222222
Armenia0000002222222222222222222222222222
Austria0001112222222222222222222222222222
Azerbaijan0000000022222222222222222222222222
Belarus0000000000000012222222222222222222
Belarus (Soviet period)0000000000000000000000000000000000
Belgium0000000022222222222222222222222222
Bosnia and Herzegovina0000000000000000001222222222222222
Bulgaria0000112222222222222222222222222222
Canada0000000222222222222222222222222222
Croatia0000012222222222222222222222222222
Cyprus0000000002222222222222222222222222
Czechia0000000000222222222222222222222222
Denmark0000002222222222222222222222222222
Estonia0000000000222222222222222222222222
European Union0000002222222222222222222222222222
Finland0000112222222222222222222222222222
France0000000000222222222222222222222222
Germany0000000000022222222222222222222222
Greece0000000222222222222222222222222222
Hungary0000002222222222222222222222222222
Iceland0000000000000000000000000000000000
Ireland0000000000022222222222222222222222
Italy0000112222222222222222222222222222
Kazakhstan0000000000222222222222222222222222
Kyrgyzstan0000000000222222222222222222222222
Latvia0000000222222222222222222222222222
Liechtenstein0000000222222222222222222222222222
Lithuania0000000000222222222222222222222222
Luxembourg0000112222222222222222222222222222
Malta0000000000000000000122222222222222
Moldova0001112222222222222222222222222222
Montenegro0000000000000000002222222222222222
Netherlands0000112222222222222222222222222222
North Macedonia0000000022222222222222222222222222
Norway0011112222222222222222222222222222
Poland0000002222222222222222222222222222
Portugal0000000002222222222222222222222222
Romania0000000000222222222222222222222222
Russian Federation0000000000000000000000000000000000
Serbia0000000000000000122222222222222222
Slovakia0000000012222222222222222222222222
Slovenia0000000222222222222222222222222222
Spain0111112222222222222222222222222222
Sweden0111112222222222222222222222222222
Switzerland0000012222222222222222222222222222
Ukraine0000000022222222222222222222222222
Ukraine (Soviet period)0000000000000000000000000000000000
United Kingdom0000001222222222222222222222222222
United States0000000000000000000000000000000000
Members (agreement in force)0.50.50.50.50.50.518242831384040404041414243444545454545454545454545454545
Ratifiers023510121010000010101100000000000000

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).