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Membership Information for: Convention For The Protection Of The Ozone Layer

Signed: 1985-03-22; Entered into force: 1988-09-22; Terminated:
Source for membership data: https://treaties.un.org/pages/ViewDetails.aspx?src=TREATY&mtdsg_no=XXVII-2&chapt…
Date of last download from source: 2022-03-14
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 Ozone Secretariat website. For inaccuracies, please notify the Project Director.
Country1985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024
Ratifiers081674211137141010312001000000000000000000
Members (agreement in force)0003053707890129140150158164168171175181184185189190190191193196196196197197197197197197197198198198198198198
Afghanistan0000000000000000000222222222222222222222
Albania0000000000000012222222222222222222222222
Algeria0000000122222222222222222222222222222222
Andorra0000000000000000000000002222222222222222
Angola0000000000000002222222222222222222222222
Antigua and Barbuda0000000122222222222222222222222222222222
Argentina0000022222222222222222222222222222222222
Armenia0000000000000022222222222222222222222222
Australia0012222222222222222222222222222222222222
Austria0012222222222222222222222222222222222222
Azerbaijan0000000000022222222222222222222222222222
Bahamas0000000022222222222222222222222222222222
Bahrain0000022222222222222222222222222222222222
Bangladesh0000022222222222222222222222222222222222
Barbados0000000122222222222222222222222222222222
Belarus (Soviet period)0112222222222222222222222222222222222222
Belgium0001222222222222222222222222222222222222
Belize0000000000002222222222222222222222222222
Benin0000000022222222222222222222222222222222
Bhutan0000000000000000000222222222222222222222
Bolivia0000000001222222222222222222222222222222
Bosnia and Herzegovina0000000022222222222222222222222222222222
Botswana0000001222222222222222222222222222222222
Brazil0000022222222222222222222222222222222222
Brunei Darussalam0000022222222222222222222222222222222222
Bulgaria0000012222222222222222222222222222222222
Burkina Faso0000222222222222222222222222222222222222
Burundi0000000000002222222222222222222222222222
Cambodia0000000000000000222222222222222222222222
Cameroon0000222222222222222222222222222222222222
Canada0112222222222222222222222222222222222222
Cape Verde0000000000000000222222222222222222222222
Central African Republic0000000022222222222222222222222222222222
Chad0000222222222222222222222222222222222222
Chile0000022222222222222222222222222222222222
China0000222222222222222222222222222222222222
Colombia0000022222222222222222222222222222222222
Comoros0000000001222222222222222222222222222222
Congo, Democratic Republic of0000000001222222222222222222222222222222
Congo, Republic of the0000000001222222222222222222222222222222
Cook Islands0000000000000000001222222222222222222222
Costa Rica0000002222222222222222222222222222222222
Cote d'Ivoire0000000022222222222222222222222222222222
Croatia0000000222222222222222222222222222222222
Cuba0000000222222222222222222222222222222222
Cyprus0000000222222222222222222222222222222222
Czechia0000000022222222222222222222222222222222
Denmark0002222222222222222222222222222222222222
Djibouti0000000000000022222222222222222222222222
Dominica0000000022222222222222222222222222222222
Dominican Republic0000000022222222222222222222222222222222
Ecuador0000022222222222222222222222222222222222
Egypt0002222222222222222222222222222222222222
El Salvador0000000222222222222222222222222222222222
Equatorial Guinea0002222222222222222222222222222222222222
Eritrea0000000000000000000022222222222222222222
Estonia0000000000012222222222222222222222222222
Eswatini0000000122222222222222222222222222222222
Ethiopia0000000001222222222222222222222222222222
European Union0001222222222222222222222222222222222222
Fiji0000122222222222222222222222222222222222
Finland0112222222222222222222222222222222222222
France0012222222222222222222222222222222222222
Gabon0000000002222222222222222222222222222222
Gambia0000022222222222222222222222222222222222
Georgia0000000000022222222222222222222222222222
Germany0002222222222222222222222222222222222222
Ghana0000222222222222222222222222222222222222
Greece0001222222222222222222222222222222222222
Grenada0000000022222222222222222222222222222222
Guatemala0012222222222222222222222222222222222222
Guinea0000000222222222222222222222222222222222
Guinea-Bissau0000000000000000012222222222222222222222
Guyana0000000022222222222222222222222222222222
Haiti0000000000000002222222222222222222222222
Holy See0000000000000000000000022222222222222222
Honduras0000000012222222222222222222222222222222
Hungary0002222222222222222222222222222222222222
Iceland0000222222222222222222222222222222222222
India0000002222222222222222222222222222222222
Indonesia0000000222222222222222222222222222222222
Iran0000012222222222222222222222222222222222
Iraq0000000000000000000000022222222222222222
Ireland0002222222222222222222222222222222222222
Israel0000000222222222222222222222222222222222
Italy0002222222222222222222222222222222222222
Jamaica0000000022222222222222222222222222222222
Japan0002222222222222222222222222222222222222
Jordan0000222222222222222222222222222222222222
Kazakhstan0000000000000222222222222222222222222222
Kenya0001222222222222222222222222222222222222
Kiribati0000000022222222222222222222222222222222
Korea, Democratic People's Republic0000000000222222222222222222222222222222
Korea, Republic of0000000222222222222222222222222222222222
Kuwait0000000122222222222222222222222222222222
Kyrgyzstan0000000000000002222222222222222222222222
Laos0000000000000222222222222222222222222222
Latvia0000000000222222222222222222222222222222
Lebanon0000000022222222222222222222222222222222
Lesotho0000000002222222222222222222222222222222
Liberia0000000000022222222222222222222222222222
Libya0000022222222222222222222222222222222222
Liechtenstein0000222222222222222222222222222222222222
Lithuania0000000000222222222222222222222222222222
Luxembourg0001222222222222222222222222222222222222
Madagascar0000000000012222222222222222222222222222
Malawi0000002222222222222222222222222222222222
Malaysia0000222222222222222222222222222222222222
Maldives0002222222222222222222222222222222222222
Mali0000000001222222222222222222222222222222
Malta0002222222222222222222222222222222222222
Marshall Islands0000000022222222222222222222222222222222
Mauritania0000000002222222222222222222222222222222
Mauritius0000000222222222222222222222222222222222
Mexico0012222222222222222222222222222222222222
Micronesia0000000002222222222222222222222222222222
Moldova0000000000012222222222222222222222222222
Monaco0000000022222222222222222222222222222222
Mongolia0000000000022222222222222222222222222222
Montenegro0000000000000000000001222222222222222222
Morocco0000000000122222222222222222222222222222
Mozambique0000000002222222222222222222222222222222
Myanmar0000000012222222222222222222222222222222
Namibia0000000022222222222222222222222222222222
Nauru0000000000000000122222222222222222222222
Nepal0000000002222222222222222222222222222222
Netherlands0002222222222222222222222222222222222222
New Zealand0012222222222222222222222222222222222222
Nicaragua0000000022222222222222222222222222222222
Niger0000000122222222222222222222222222222222
Nigeria0001222222222222222222222222222222222222
Niue0000000000000000001222222222222222222222
North Macedonia0000000002222222222222222222222222222222
Norway0112222222222222222222222222222222222222
Oman0000000000000022222222222222222222222222
Pakistan0000000122222222222222222222222222222222
Palau0000000000000000222222222222222222222222
Palestine, Occupied Territories0000000000000000000000000000000000222222
Panama0000222222222222222222222222222222222222
Papua New Guinea0000000122222222222222222222222222222222
Paraguay0000000122222222222222222222222222222222
Peru0000222222222222222222222222222222222222
Philippines0000002222222222222222222222222222222222
Poland0000022222222222222222222222222222222222
Portugal0001222222222222222222222222222222222222
Qatar0000000000022222222222222222222222222222
Romania0000000022222222222222222222222222222222
Russian Federation0112222222222222222222222222222222222222
Rwanda0000000000000000122222222222222222222222
Saint Kitts and Nevis0000000222222222222222222222222222222222
Saint Lucia0000000022222222222222222222222222222222
Saint Vincent and the Grenadines0000000000012222222222222222222222222222
Samoa0000000122222222222222222222222222222222
San Marino0000000000000000000000002222222222222222
Sao Tome and Principe0000000000000000122222222222222222222222
Saudi Arabia0000000022222222222222222222222222222222
Senegal0000000022222222222222222222222222222222
Serbia0000000000000000222222222222222222222222
Seychelles0000000022222222222222222222222222222222
Sierra Leone0000000000000000222222222222222222222222
Singapore0000222222222222222222222222222222222222
Slovakia0000000022222222222222222222222222222222
Slovenia0000000222222222222222222222222222222222
Solomon Islands0000000022222222222222222222222222222222
Somalia0000000000000000222222222222222222222222
South Africa0000022222222222222222222222222222222222
South Sudan0000000000000000000000000002222222222222
Spain0002222222222222222222222222222222222222
Sri Lanka0000122222222222222222222222222222222222
Sudan0000000022222222222222222222222222222222
Suriname0000000000001222222222222222222222222222
Sweden0112222222222222222222222222222222222222
Switzerland0012222222222222222222222222222222222222
Syria0000122222222222222222222222222222222222
Tajikistan0000000000022222222222222222222222222222
Tanzania0000000022222222222222222222222222222222
Thailand0000222222222222222222222222222222222222
Timor-Leste0000000000000000000000002222222222222222
Togo0000002222222222222222222222222222222222
Tonga0000000000000222222222222222222222222222
Trinidad and Tobago0000222222222222222222222222222222222222
Tunisia0000222222222222222222222222222222222222
Turkmenistan0000000012222222222222222222222222222222
Tuvalu0000000022222222222222222222222222222222
Türkiye0000002222222222222222222222222222222222
Uganda0002222222222222222222222222222222222222
Ukraine (Soviet period)0112222222222222222222222222222222222222
United Arab Emirates0000122222222222222222222222222222222222
United Kingdom0012222222222222222222222222222222222222
United States0112222222222222222222222222222222222222
Uruguay0000222222222222222222222222222222222222
Uzbekistan0000000022222222222222222222222222222222
Vanuatu0000000001222222222222222222222222222222
Venezuela0002222222222222222222222222222222222222
Viet Nam0000000002222222222222222222222222222222
Yemen0000000000022222222222222222222222222222
Zambia0000022222222222222222222222222222222222
Zimbabwe0000000122222222222222222222222222222222
Members (agreement in force)0003053707890129140150158164168171175181184185189190190191193196196196197197197197197197197198198198198198198
Ratifiers081674211137141010312001000000000000000000

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).