Long 5052

Membership Information for: Amendment to Article X, Paragraph 2 of the Convention on International Hydrographic Organisation

Signed: 1987-05-15; Entered into force: 2599-01-01; Terminated:
Source for membership data: https://verdragenbank.overheid.nl/en/Treaty/Details/008164.html
Date of last download from source: 2023-07-25
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 International Hydrographic Organization website. For inaccuracies, please notify the Project Director.
CountryYearMembership Status
Argentina19911
Argentina19921
Argentina19931
Argentina19941
Argentina19951
Argentina19961
Argentina19971
Argentina19981
Argentina19991
Argentina20001
Argentina20011
Argentina20021
Argentina20031
Argentina20041
Argentina20051
Argentina20061
Argentina20071
Argentina20081
Argentina20091
Argentina20101
Argentina20111
Argentina20121
Argentina20131
Argentina20141
Argentina20151
Argentina20161
Argentina20171
Argentina20181
Argentina20191
Argentina20201
Argentina20211
Argentina20221
Argentina20231
Argentina20241
Belgium19881
Belgium19891
Belgium19901
Belgium19911
Belgium19921
Belgium19931
Belgium19941
Belgium19951
Belgium19961
Belgium19971
Belgium19981
Belgium19991
Belgium20001
Belgium20011
Belgium20021
Belgium20031
Belgium20041
Belgium20051
Belgium20061
Belgium20071
Belgium20081
Belgium20091
Belgium20101
Belgium20111
Belgium20121
Belgium20131
Belgium20141
Belgium20151
Belgium20161
Belgium20171
Belgium20181
Belgium20191
Belgium20201
Belgium20211
Belgium20221
Belgium20231
Belgium20241
Canada19911
Canada19921
Canada19931
Canada19941
Canada19951
Canada19961
Canada19971
Canada19981
Canada19991
Canada20001
Canada20011
Canada20021
Canada20031
Canada20041
Canada20051
Canada20061
Canada20071
Canada20081
Canada20091
Canada20101
Canada20111
Canada20121
Canada20131
Canada20141
Canada20151
Canada20161
Canada20171
Canada20181
Canada20191
Canada20201
Canada20211
Canada20221
Canada20231
Canada20241
Chile19891
Chile19901
Chile19911
Chile19921
Chile19931
Chile19941
Chile19951
Chile19961
Chile19971
Chile19981
Chile19991
Chile20001
Chile20011
Chile20021
Chile20031
Chile20041
Chile20051
Chile20061
Chile20071
Chile20081
Chile20091
Chile20101
Chile20111
Chile20121
Chile20131
Chile20141
Chile20151
Chile20161
Chile20171
Chile20181
Chile20191
Chile20201
Chile20211
Chile20221
Chile20231
Chile20241
China19881
China19891
China19901
China19911
China19921
China19931
China19941
China19951
China19961
China19971
China19981
China19991
China20001
China20011
China20021
China20031
China20041
China20051
China20061
China20071
China20081
China20091
China20101
China20111
China20121
China20131
China20141
China20151
China20161
China20171
China20181
China20191
China20201
China20211
China20221
China20231
China20241
Cuba19971
Cuba19981
Cuba19991
Cuba20001
Cuba20011
Cuba20021
Cuba20031
Cuba20041
Cuba20051
Cuba20061
Cuba20071
Cuba20081
Cuba20091
Cuba20101
Cuba20111
Cuba20121
Cuba20131
Cuba20141
Cuba20151
Cuba20161
Cuba20171
Cuba20181
Cuba20191
Cuba20201
Cuba20211
Cuba20221
Cuba20231
Cuba20241
Denmark19881
Denmark19891
Denmark19901
Denmark19911
Denmark19921
Denmark19931
Denmark19941
Denmark19951
Denmark19961
Denmark19971
Denmark19981
Denmark19991
Denmark20001
Denmark20011
Denmark20021
Denmark20031
Denmark20041
Denmark20051
Denmark20061
Denmark20071
Denmark20081
Denmark20091
Denmark20101
Denmark20111
Denmark20121
Denmark20131
Denmark20141
Denmark20151
Denmark20161
Denmark20171
Denmark20181
Denmark20191
Denmark20201
Denmark20211
Denmark20221
Denmark20231
Denmark20241
Ecuador19881
Ecuador19891
Ecuador19901
Ecuador19911
Ecuador19921
Ecuador19931
Ecuador19941
Ecuador19951
Ecuador19961
Ecuador19971
Ecuador19981
Ecuador19991
Ecuador20001
Ecuador20011
Ecuador20021
Ecuador20031
Ecuador20041
Ecuador20051
Ecuador20061
Ecuador20071
Ecuador20081
Ecuador20091
Ecuador20101
Ecuador20111
Ecuador20121
Ecuador20131
Ecuador20141
Ecuador20151
Ecuador20161
Ecuador20171
Ecuador20181
Ecuador20191
Ecuador20201
Ecuador20211
Ecuador20221
Ecuador20231
Ecuador20241
Egypt19881
Egypt19891
Egypt19901
Egypt19911
Egypt19921
Egypt19931
Egypt19941
Egypt19951
Egypt19961
Egypt19971
Egypt19981
Egypt19991
Egypt20001
Egypt20011
Egypt20021
Egypt20031
Egypt20041
Egypt20051
Egypt20061
Egypt20071
Egypt20081
Egypt20091
Egypt20101
Egypt20111
Egypt20121
Egypt20131
Egypt20141
Egypt20151
Egypt20161
Egypt20171
Egypt20181
Egypt20191
Egypt20201
Egypt20211
Egypt20221
Egypt20231
Egypt20241
Fiji19891
Fiji19901
Fiji19911
Fiji19921
Fiji19931
Fiji19941
Fiji19951
Fiji19961
Fiji19971
Fiji19981
Fiji19991
Fiji20001
Fiji20011
Fiji20021
Fiji20031
Fiji20041
Fiji20051
Fiji20061
Fiji20071
Fiji20081
Fiji20091
Fiji20101
Fiji20111
Fiji20121
Fiji20131
Fiji20141
Fiji20151
Fiji20161
Fiji20171
Fiji20181
Fiji20191
Fiji20201
Fiji20211
Fiji20221
Fiji20231
Fiji20241
France19881
France19891
France19901
France19911
France19921
France19931
France19941
France19951
France19961
France19971
France19981
France19991
France20001
France20011
France20021
France20031
France20041
France20051
France20061
France20071
France20081
France20091
France20101
France20111
France20121
France20131
France20141
France20151
France20161
France20171
France20181
France20191
France20201
France20211
France20221
France20231
France20241
Germany19911
Germany19921
Germany19931
Germany19941
Germany19951
Germany19961
Germany19971
Germany19981
Germany19991
Germany20001
Germany20011
Germany20021
Germany20031
Germany20041
Germany20051
Germany20061
Germany20071
Germany20081
Germany20091
Germany20101
Germany20111
Germany20121
Germany20131
Germany20141
Germany20151
Germany20161
Germany20171
Germany20181
Germany20191
Germany20201
Germany20211
Germany20221
Germany20231
Germany20241
Iceland19891
Iceland19901
Iceland19911
Iceland19921
Iceland19931
Iceland19941
Iceland19951
Iceland19961
Iceland19971
Iceland19981
Iceland19991
Iceland20001
Iceland20011
Iceland20021
Iceland20031
Iceland20041
Iceland20051
Iceland20061
Iceland20071
Iceland20081
Iceland20091
Iceland20101
Iceland20111
Iceland20121
Iceland20131
Iceland20141
Iceland20151
Iceland20161
Iceland20171
Iceland20181
Iceland20191
Iceland20201
Iceland20211
Iceland20221
Iceland20231
Iceland20241
India19901
India19911
India19921
India19931
India19941
India19951
India19961
India19971
India19981
India19991
India20001
India20011
India20021
India20031
India20041
India20051
India20061
India20071
India20081
India20091
India20101
India20111
India20121
India20131
India20141
India20151
India20161
India20171
India20181
India20191
India20201
India20211
India20221
India20231
India20241
Korea, Republic of19881
Korea, Republic of19891
Korea, Republic of19901
Korea, Republic of19911
Korea, Republic of19921
Korea, Republic of19931
Korea, Republic of19941
Korea, Republic of19951
Korea, Republic of19961
Korea, Republic of19971
Korea, Republic of19981
Korea, Republic of19991
Korea, Republic of20001
Korea, Republic of20011
Korea, Republic of20021
Korea, Republic of20031
Korea, Republic of20041
Korea, Republic of20051
Korea, Republic of20061
Korea, Republic of20071
Korea, Republic of20081
Korea, Republic of20091
Korea, Republic of20101
Korea, Republic of20111
Korea, Republic of20121
Korea, Republic of20131
Korea, Republic of20141
Korea, Republic of20151
Korea, Republic of20161
Korea, Republic of20171
Korea, Republic of20181
Korea, Republic of20191
Korea, Republic of20201
Korea, Republic of20211
Korea, Republic of20221
Korea, Republic of20231
Korea, Republic of20241
Malaysia19891
Malaysia19901
Malaysia19911
Malaysia19921
Malaysia19931
Malaysia19941
Malaysia19951
Malaysia19961
Malaysia19971
Malaysia19981
Malaysia19991
Malaysia20001
Malaysia20011
Malaysia20021
Malaysia20031
Malaysia20041
Malaysia20051
Malaysia20061
Malaysia20071
Malaysia20081
Malaysia20091
Malaysia20101
Malaysia20111
Malaysia20121
Malaysia20131
Malaysia20141
Malaysia20151
Malaysia20161
Malaysia20171
Malaysia20181
Malaysia20191
Malaysia20201
Malaysia20211
Malaysia20221
Malaysia20231
Malaysia20241
Netherlands19891
Netherlands19901
Netherlands19911
Netherlands19921
Netherlands19931
Netherlands19941
Netherlands19951
Netherlands19961
Netherlands19971
Netherlands19981
Netherlands19991
Netherlands20001
Netherlands20011
Netherlands20021
Netherlands20031
Netherlands20041
Netherlands20051
Netherlands20061
Netherlands20071
Netherlands20081
Netherlands20091
Netherlands20101
Netherlands20111
Netherlands20121
Netherlands20131
Netherlands20141
Netherlands20151
Netherlands20161
Netherlands20171
Netherlands20181
Netherlands20191
Netherlands20201
Netherlands20211
Netherlands20221
Netherlands20231
Netherlands20241
Norway19881
Norway19891
Norway19901
Norway19911
Norway19921
Norway19931
Norway19941
Norway19951
Norway19961
Norway19971
Norway19981
Norway19991
Norway20001
Norway20011
Norway20021
Norway20031
Norway20041
Norway20051
Norway20061
Norway20071
Norway20081
Norway20091
Norway20101
Norway20111
Norway20121
Norway20131
Norway20141
Norway20151
Norway20161
Norway20171
Norway20181
Norway20191
Norway20201
Norway20211
Norway20221
Norway20231
Norway20241
Pakistan19901
Pakistan19911
Pakistan19921
Pakistan19931
Pakistan19941
Pakistan19951
Pakistan19961
Pakistan19971
Pakistan19981
Pakistan19991
Pakistan20001
Pakistan20011
Pakistan20021
Pakistan20031
Pakistan20041
Pakistan20051
Pakistan20061
Pakistan20071
Pakistan20081
Pakistan20091
Pakistan20101
Pakistan20111
Pakistan20121
Pakistan20131
Pakistan20141
Pakistan20151
Pakistan20161
Pakistan20171
Pakistan20181
Pakistan20191
Pakistan20201
Pakistan20211
Pakistan20221
Pakistan20231
Pakistan20241
Philippines19881
Philippines19891
Philippines19901
Philippines19911
Philippines19921
Philippines19931
Philippines19941
Philippines19951
Philippines19961
Philippines19971
Philippines19981
Philippines19991
Philippines20001
Philippines20011
Philippines20021
Philippines20031
Philippines20041
Philippines20051
Philippines20061
Philippines20071
Philippines20081
Philippines20091
Philippines20101
Philippines20111
Philippines20121
Philippines20131
Philippines20141
Philippines20151
Philippines20161
Philippines20171
Philippines20181
Philippines20191
Philippines20201
Philippines20211
Philippines20221
Philippines20231
Philippines20241
Poland19911
Poland19921
Poland19931
Poland19941
Poland19951
Poland19961
Poland19971
Poland19981
Poland19991
Poland20001
Poland20011
Poland20021
Poland20031
Poland20041
Poland20051
Poland20061
Poland20071
Poland20081
Poland20091
Poland20101
Poland20111
Poland20121
Poland20131
Poland20141
Poland20151
Poland20161
Poland20171
Poland20181
Poland20191
Poland20201
Poland20211
Poland20221
Poland20231
Poland20241
Portugal19921
Portugal19931
Portugal19941
Portugal19951
Portugal19961
Portugal19971
Portugal19981
Portugal19991
Portugal20001
Portugal20011
Portugal20021
Portugal20031
Portugal20041
Portugal20051
Portugal20061
Portugal20071
Portugal20081
Portugal20091
Portugal20101
Portugal20111
Portugal20121
Portugal20131
Portugal20141
Portugal20151
Portugal20161
Portugal20171
Portugal20181
Portugal20191
Portugal20201
Portugal20211
Portugal20221
Portugal20231
Portugal20241
Singapore19881
Singapore19891
Singapore19901
Singapore19911
Singapore19921
Singapore19931
Singapore19941
Singapore19951
Singapore19961
Singapore19971
Singapore19981
Singapore19991
Singapore20001
Singapore20011
Singapore20021
Singapore20031
Singapore20041
Singapore20051
Singapore20061
Singapore20071
Singapore20081
Singapore20091
Singapore20101
Singapore20111
Singapore20121
Singapore20131
Singapore20141
Singapore20151
Singapore20161
Singapore20171
Singapore20181
Singapore20191
Singapore20201
Singapore20211
Singapore20221
Singapore20231
Singapore20241
South Africa19891
South Africa19901
South Africa19911
South Africa19921
South Africa19931
South Africa19941
South Africa19951
South Africa19961
South Africa19971
South Africa19981
South Africa19991
South Africa20001
South Africa20011
South Africa20021
South Africa20031
South Africa20041
South Africa20051
South Africa20061
South Africa20071
South Africa20081
South Africa20091
South Africa20101
South Africa20111
South Africa20121
South Africa20131
South Africa20141
South Africa20151
South Africa20161
South Africa20171
South Africa20181
South Africa20191
South Africa20201
South Africa20211
South Africa20221
South Africa20231
South Africa20241
Spain19891
Spain19901
Spain19911
Spain19921
Spain19931
Spain19941
Spain19951
Spain19961
Spain19971
Spain19981
Spain19991
Spain20001
Spain20011
Spain20021
Spain20031
Spain20041
Spain20051
Spain20061
Spain20071
Spain20081
Spain20091
Spain20101
Spain20111
Spain20121
Spain20131
Spain20141
Spain20151
Spain20161
Spain20171
Spain20181
Spain20191
Spain20201
Spain20211
Spain20221
Spain20231
Spain20241
Sweden19881
Sweden19891
Sweden19901
Sweden19911
Sweden19921
Sweden19931
Sweden19941
Sweden19951
Sweden19961
Sweden19971
Sweden19981
Sweden19991
Sweden20001
Sweden20011
Sweden20021
Sweden20031
Sweden20041
Sweden20051
Sweden20061
Sweden20071
Sweden20081
Sweden20091
Sweden20101
Sweden20111
Sweden20121
Sweden20131
Sweden20141
Sweden20151
Sweden20161
Sweden20171
Sweden20181
Sweden20191
Sweden20201
Sweden20211
Sweden20221
Sweden20231
Sweden20241
Syria19921
Syria19931
Syria19941
Syria19951
Syria19961
Syria19971
Syria19981
Syria19991
Syria20001
Syria20011
Syria20021
Syria20031
Syria20041
Syria20051
Syria20061
Syria20071
Syria20081
Syria20091
Syria20101
Syria20111
Syria20121
Syria20131
Syria20141
Syria20151
Syria20161
Syria20171
Syria20181
Syria20191
Syria20201
Syria20211
Syria20221
Syria20231
Syria20241
Thailand19911
Thailand19921
Thailand19931
Thailand19941
Thailand19951
Thailand19961
Thailand19971
Thailand19981
Thailand19991
Thailand20001
Thailand20011
Thailand20021
Thailand20031
Thailand20041
Thailand20051
Thailand20061
Thailand20071
Thailand20081
Thailand20091
Thailand20101
Thailand20111
Thailand20121
Thailand20131
Thailand20141
Thailand20151
Thailand20161
Thailand20171
Thailand20181
Thailand20191
Thailand20201
Thailand20211
Thailand20221
Thailand20231
Thailand20241
Trinidad and Tobago19891
Trinidad and Tobago19901
Trinidad and Tobago19911
Trinidad and Tobago19921
Trinidad and Tobago19931
Trinidad and Tobago19941
Trinidad and Tobago19951
Trinidad and Tobago19961
Trinidad and Tobago19971
Trinidad and Tobago19981
Trinidad and Tobago19991
Trinidad and Tobago20001
Trinidad and Tobago20011
Trinidad and Tobago20021
Trinidad and Tobago20031
Trinidad and Tobago20041
Trinidad and Tobago20051
Trinidad and Tobago20061
Trinidad and Tobago20071
Trinidad and Tobago20081
Trinidad and Tobago20091
Trinidad and Tobago20101
Trinidad and Tobago20111
Trinidad and Tobago20121
Trinidad and Tobago20131
Trinidad and Tobago20141
Trinidad and Tobago20151
Trinidad and Tobago20161
Trinidad and Tobago20171
Trinidad and Tobago20181
Trinidad and Tobago20191
Trinidad and Tobago20201
Trinidad and Tobago20211
Trinidad and Tobago20221
Trinidad and Tobago20231
Trinidad and Tobago20241
Türkiye19921
Türkiye19931
Türkiye19941
Türkiye19951
Türkiye19961
Türkiye19971
Türkiye19981
Türkiye19991
Türkiye20001
Türkiye20011
Türkiye20021
Türkiye20031
Türkiye20041
Türkiye20051
Türkiye20061
Türkiye20071
Türkiye20081
Türkiye20091
Türkiye20101
Türkiye20111
Türkiye20121
Türkiye20131
Türkiye20141
Türkiye20151
Türkiye20161
Türkiye20171
Türkiye20181
Türkiye20191
Türkiye20201
Türkiye20211
Türkiye20221
Türkiye20231
Türkiye20241
United Kingdom19881
United Kingdom19891
United Kingdom19901
United Kingdom19911
United Kingdom19921
United Kingdom19931
United Kingdom19941
United Kingdom19951
United Kingdom19961
United Kingdom19971
United Kingdom19981
United Kingdom19991
United Kingdom20001
United Kingdom20011
United Kingdom20021
United Kingdom20031
United Kingdom20041
United Kingdom20051
United Kingdom20061
United Kingdom20071
United Kingdom20081
United Kingdom20091
United Kingdom20101
United Kingdom20111
United Kingdom20121
United Kingdom20131
United Kingdom20141
United Kingdom20151
United Kingdom20161
United Kingdom20171
United Kingdom20181
United Kingdom20191
United Kingdom20201
United Kingdom20211
United Kingdom20221
United Kingdom20231
United Kingdom20241
Venezuela19881
Venezuela19891
Venezuela19901
Venezuela19911
Venezuela19921
Venezuela19931
Venezuela19941
Venezuela19951
Venezuela19961
Venezuela19971
Venezuela19981
Venezuela19991
Venezuela20001
Venezuela20011
Venezuela20021
Venezuela20031
Venezuela20041
Venezuela20051
Venezuela20061
Venezuela20071
Venezuela20081
Venezuela20091
Venezuela20101
Venezuela20111
Venezuela20121
Venezuela20131
Venezuela20141
Venezuela20151
Venezuela20161
Venezuela20171
Venezuela20181
Venezuela20191
Venezuela20201
Venezuela20211
Venezuela20221
Venezuela20231
Venezuela20241

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).