Wide 3373

Membership Information for: Optional Annex IV To The Protocol To The International Convention For The Prevention Of Pollution From Ships On Prevention Of Pollution By Sewage From Ships

Signed: 1978-02-17; Entered into force: 2003-09-27; Terminated:
Source for membership data: http://www.imo.org/en/About/Conventions/StatusOfConventions/Documents/Status%20-…
Last downloaded: 2016-10-15; Last known update: 2016-07-05
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 International Maritime Organization (IMO) 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.
Country19781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021
Ratifiers01571015162022252930323943505761647072747883894253000100022100100
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Albania00000000000000000000000000000222222222222222
Algeria00000000000111111111111112222222222222222222
Angola00000000000000000000000112222222222222222222
Antigua and Barbuda00000000001111111111111112222222222222222222
Argentina00000000000000011111111112222222222222222222
Australia00000000000000000000000000222222222222222222
Austria00000000001111111111111112222222222222222222
Azerbaijan00000000000000000000000000222222222222222222
Bahamas00000000000000000000000000000000000000022222
Bangladesh00000000000000000000000012222222222222222222
Barbados00000000000000000000000112222222222222222222
Belarus00000000000000001111111112222222222222222222
Belgium00000000000000000011111112222222222222222222
Belize00000000000000000111111112222222222222222222
Benin00000000000000000000001112222222222222222222
Bolivia00000000000000000000011112222222222222222222
Brazil00000000000000000111111112222222222222222222
Bulgaria00000000000000011111111112222222222222222222
Cambodia00000000000000001111111112222222222222222222
Cameroon00000000000000000000000000000002222222222222
Canada00000000000000000000000000000000222222222222
Cape Verde00000000000000000000000002222222222222222222
Chile00000000000000001111111112222222222222222222
China00000000000000000000000000001222222222222222
Colombia00011111111111111111111111111222222222222222
Comoros00000000000000000000001111111222222222222222
Congo, Republic of the00000000000000000000000000222222222222222222
Cote d'Ivoire00000000011111111111111112222222222222222222
Croatia00000000000001111111111112222222222222222222
Cyprus00000000000000000000000000002222222222222222
Czechia00000000000000011111111112222222222222222222
Denmark00111111111111111111111112222222222222222222
Djibouti00000000000000000000000000000000000001222222
Dominican Republic00000000000000000000011112222222222222222222
Ecuador00000000000011111111111112222222222222222222
Egypt00000000111111111111111112222222222222222222
El Salvador00000000000000000000000000000022222222222222
Equatorial Guinea00000000000000000011111112222222222222222222
Estonia00000000000000111111111112222222222222222222
Fiji00000000000000000000000000000000000000222222
Finland00000111111111111111111112222222222222222222
France00011111111111111111111112222222222222222222
Gabon00000111111111111111111112222222222222222222
Gambia00000000000001111111111112222222222222222222
Georgia00000000000000001111111112222222222222222222
Germany00001111111111111111111112222222222222222222
Ghana00000000000000000000000000000000122222222222
Greece00001111111111111111111112222222222222222222
Guatemala00000000000000000001111112222222222222222222
Guinea00000000000000000000000012222222222222222222
Guinea-Bissau00000000000000000000000000000000000000122222
Guyana00000000000000000001111112222222222222222222
Honduras00000000000000000000000000000000000001222222
Hungary00000001111111111111111112222222222222222222
Iceland00000000000000000000000000000000000000000222
India00000000000000000000000002222222222222222222
Indonesia00000000000000000000000000000000002222222222
Iran00000000000000000000000000000002222222222222
Iraq00000000000000000000000000000000000000002222
Ireland00000000000000000000000000002222222222222222
Italy00001111111111111111111112222222222222222222
Jamaica00000000000001111111111112222222222222222222
Japan00000111111111111111111112222222222222222222
Jordan00000000000000000000000000002222222222222222
Kazakhstan00000000000000001111111112222222222222222222
Kenya00000000000000111111111112222222222222222222
Kiribati00000000000000000000000000000222222222222222
Korea, Democratic People's Republic00000001111111111111111112222222222222222222
Korea, Republic of00000000000000000000000001222222222222222222
Kuwait00000000000000000000000000000222222222222222
Latvia00000000000000111111111112222222222222222222
Lebanon00000111111111111111111112222222222222222222
Liberia00000000000000000000000000002222222222222222
Libya00000000000000000000000000022222222222222222
Lithuania00000000000001111111111112222222222222222222
Luxembourg00000000000001111111111112222222222222222222
Madagascar00000000000000000000000000022222222222222222
Malawi00000000000000000000000112222222222222222222
Malaysia00000000000000000000000000000000222222222222
Malta00000000000000000000000000000000022222222222
Marshall Islands00000000001111111111111112222222222222222222
Mauritania00000000000000000001111112222222222222222222
Mauritius00000000000000000111111112222222222222222222
Mexico00000000000000000000000000000000000000000000
Moldova00000000000000000000000000012222222222222222
Monaco00000000000000111111111112222222222222222222
Mongolia00000000000000000000000001222222222222222222
Montenegro00000000000000000000000000002222222222222222
Morocco00000000000000011111111112222222222222222222
Mozambique00000000000000000000000000012222222222222222
Myanmar00000000000000000000000000000000000000222222
Namibia00000000000000000000000000000000000000000022
Netherlands00000000000000000000000000012222222222222222
Nicaragua00000000000000000000000112222222222222222222
Nigeria00000000000000000000000012222222222222222222
Niue00000000000000000000000000000000002222222222
Norway00000000000000000000000012222222222222222222
Oman00000011111111111111111112222222222222222222
Pakistan00000000000000001111111112222222222222222222
Palau00000000000000000000000000000000022222222222
Panama00000001111111111111111112222222222222222222
Papua New Guinea00000000000000011111111112222222222222222222
Peru00111111111111111111111112222222222222222222
Philippines00000000000000000000000112222222222222222222
Poland00000000111111111111111112222222222222222222
Portugal00000000011111111111111112222222222222222222
Qatar00000000000000000000000000002222222222222222
Romania00000000000000000000000000002222222222222222
Russian Federation00000000011111111111111112222222222222222222
Saint Kitts and Nevis00000000000000000001111112222222222222222222
Saint Lucia00000000000000000000001112222222222222222222
Saint Vincent and the Grenadines00000111111111111111111112222222222222222222
Samoa00000000000000000000000012222222222222222222
Sao Tome and Principe00000000000000000000111112222222222222222222
Saudi Arabia00000000000000000000000000022222222222222222
Senegal00000000000000000001111112222222222222222222
Serbia00000000000000000000000000002222222222222222
Seychelles00000000000000000000000000000000000000000122
Sierra Leone00000000000000000000000012222222222222222222
Singapore00000000000000000000000000022222222222222222
Slovakia00000000000000011111111112222222222222222222
Slovenia00000000000001111111111112222222222222222222
Solomon Islands00000000000000000000000000222222222222222222
South Africa00000000000000000000000000000000000002222222
Spain00000000000001111111111112222222222222222222
Sri Lanka00000000000000000001111112222222222222222222
Sudan00000000000000000000000000000000000002222222
Suriname00000000001111111111111112222222222222222222
Sweden00111111111111111111111112222222222222222222
Switzerland00000000000000000000111112222222222222222222
Syria00000000000000000000000000002222222222222222
Tanzania00000000000000000000000000000022222222222222
Togo00000000000011111111111112222222222222222222
Tonga00000000000000000011111112222222222222222222
Trinidad and Tobago00000000000000000000001112222222222222222222
Tunisia00111111111111111111111112222222222222222222
Turkey00000000000000000000000000000000000012222222
Turkmenistan00000000000000000000000000000002222222222222
Tuvalu00000001111111111111111112222222222222222222
Ukraine00000000000000011111111112222222222222222222
United Arab Emirates00000000000000000000000000000222222222222222
United Kingdom00000000000000000111111112222222222222222222
United States00000000000000000000000000000000000000000000
Uruguay01111111111111111111111112222222222222222222
Vanuatu00000000000000000000000000222222222222222222
Venezuela00000000000000001111111112222222222222222222
Viet Nam00000000000000000000000000000000000012222222
Members (agreement in force)00000000000000000000000008996100112119121124126129131131131135139141142143145145
Ratifiers01571015162022252930323943505761647072747883894253000100022100100

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).