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Membership Information for: Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer

Signed: 2016-10-15; Entered into force: 2019-01-01; Terminated:
Source for membership data: https://treaties.un.org/pages/ViewDetails.aspx
Last downloaded: 2020-01-07; Last known update: 2019-12-05
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 Ozone 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.
Country201620172018201920202021
Ratifiers02365700
Members (agreement in force)00084100100
Albania000222
Andorra000222
Argentina000122
Armenia000222
Australia011222
Austria001222
Bangladesh000022
Barbados001222
Belgium001222
Benin001222
Bhutan000222
Bulgaria001222
Burkina Faso001222
Canada011222
Chad000222
Chile011222
Comoros011222
Cook Islands000222
Costa Rica001222
Cote d'Ivoire011222
Croatia001222
Cuba000222
Cyprus000222
Czechia001222
Denmark001222
Ecuador001222
Estonia001222
Ethiopia000222
European Union001222
Fiji000022
Finland011222
France001222
Gabon001222
Germany011222
Ghana000222
Greece001222
Grenada001222
Guinea000122
Guinea-Bissau001222
Holy See000022
Honduras000222
Hungary001222
Ireland001222
Japan001222
Jordan000122
Kiribati001222
Korea, Democratic People's Republic011222
Laos011222
Latvia001222
Lebanon000022
Lesotho000122
Liberia000022
Lithuania001222
Luxembourg011222
Malawi011222
Maldives011222
Mali011222
Marshall Islands011222
Mauritius000222
Mexico001222
Micronesia011222
Montenegro000222
Mozambique000022
Namibia000222
Netherlands001222
New Zealand000122
Niger001222
Nigeria001222
Niue001222
North Macedonia000022
Norway011222
Palau011222
Panama001222
Paraguay001222
Peru000222
Poland000222
Portugal001222
Romania000022
Rwanda011222
Samoa001222
Sao Tome and Principe000122
Senegal001222
Seychelles000222
Sierra Leone000022
Slovakia011222
Slovenia001222
Somalia000122
South Africa000222
Sri Lanka001222
Sweden011222
Switzerland001222
Togo001222
Tonga001222
Trinidad and Tobago011222
Tuvalu011222
Uganda001222
United Kingdom011222
Uruguay001222
Vanuatu001222
Viet Nam000222
Members (agreement in force)00084100100
Ratifiers02365700

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).