Long 2688

Membership Information for: Antarctic Treaty

Signed: 1959-12-01; Entered into force: 1961-06-23; Terminated:
Source for membership data: https://www.state.gov/antarctic-treaty/
Date of last download from source: 2023-05-17
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 Antarctic Treaty Secretariat website. For inaccuracies, please notify the Project Director.
CountryYearMembership Status
Argentina19590
Argentina19600
Argentina19612
Argentina19622
Argentina19632
Argentina19642
Argentina19652
Argentina19662
Argentina19672
Argentina19682
Argentina19692
Argentina19702
Argentina19712
Argentina19722
Argentina19732
Argentina19742
Argentina19752
Argentina19762
Argentina19772
Argentina19782
Argentina19792
Argentina19802
Argentina19812
Argentina19822
Argentina19832
Argentina19842
Argentina19852
Argentina19862
Argentina19872
Argentina19882
Argentina19892
Argentina19902
Argentina19912
Argentina19922
Argentina19932
Argentina19942
Argentina19952
Argentina19962
Argentina19972
Argentina19982
Argentina19992
Argentina20002
Argentina20012
Argentina20022
Argentina20032
Argentina20042
Argentina20052
Argentina20062
Argentina20072
Argentina20082
Argentina20092
Argentina20102
Argentina20112
Argentina20122
Argentina20132
Argentina20142
Argentina20152
Argentina20162
Argentina20172
Argentina20182
Argentina20192
Argentina20202
Argentina20212
Argentina20222
Argentina20232
Argentina20242
Aruba19862
Aruba19872
Aruba19882
Aruba19892
Aruba19902
Aruba19912
Aruba19922
Aruba19932
Aruba19942
Aruba19952
Aruba19962
Aruba19972
Aruba19982
Aruba19992
Aruba20002
Aruba20012
Aruba20022
Aruba20032
Aruba20042
Aruba20052
Aruba20062
Aruba20072
Aruba20082
Aruba20092
Aruba20102
Aruba20112
Aruba20122
Aruba20132
Aruba20142
Aruba20152
Aruba20162
Aruba20172
Aruba20182
Aruba20192
Aruba20202
Aruba20212
Aruba20222
Aruba20232
Aruba20242
Australia19590
Australia19600
Australia19612
Australia19622
Australia19632
Australia19642
Australia19652
Australia19662
Australia19672
Australia19682
Australia19692
Australia19702
Australia19712
Australia19722
Australia19732
Australia19742
Australia19752
Australia19762
Australia19772
Australia19782
Australia19792
Australia19802
Australia19812
Australia19822
Australia19832
Australia19842
Australia19852
Australia19862
Australia19872
Australia19882
Australia19892
Australia19902
Australia19912
Australia19922
Australia19932
Australia19942
Australia19952
Australia19962
Australia19972
Australia19982
Australia19992
Australia20002
Australia20012
Australia20022
Australia20032
Australia20042
Australia20052
Australia20062
Australia20072
Australia20082
Australia20092
Australia20102
Australia20112
Australia20122
Australia20132
Australia20142
Australia20152
Australia20162
Australia20172
Australia20182
Australia20192
Australia20202
Australia20212
Australia20222
Australia20232
Australia20242
Austria19872
Austria19882
Austria19892
Austria19902
Austria19912
Austria19922
Austria19932
Austria19942
Austria19952
Austria19962
Austria19972
Austria19982
Austria19992
Austria20002
Austria20012
Austria20022
Austria20032
Austria20042
Austria20052
Austria20062
Austria20072
Austria20082
Austria20092
Austria20102
Austria20112
Austria20122
Austria20132
Austria20142
Austria20152
Austria20162
Austria20172
Austria20182
Austria20192
Austria20202
Austria20212
Austria20222
Austria20232
Austria20242
Belarus20062
Belarus20072
Belarus20082
Belarus20092
Belarus20102
Belarus20112
Belarus20122
Belarus20132
Belarus20142
Belarus20152
Belarus20162
Belarus20172
Belarus20182
Belarus20192
Belarus20202
Belarus20212
Belarus20222
Belarus20232
Belarus20242
Belgium19590
Belgium19601
Belgium19612
Belgium19622
Belgium19632
Belgium19642
Belgium19652
Belgium19662
Belgium19672
Belgium19682
Belgium19692
Belgium19702
Belgium19712
Belgium19722
Belgium19732
Belgium19742
Belgium19752
Belgium19762
Belgium19772
Belgium19782
Belgium19792
Belgium19802
Belgium19812
Belgium19822
Belgium19832
Belgium19842
Belgium19852
Belgium19862
Belgium19872
Belgium19882
Belgium19892
Belgium19902
Belgium19912
Belgium19922
Belgium19932
Belgium19942
Belgium19952
Belgium19962
Belgium19972
Belgium19982
Belgium19992
Belgium20002
Belgium20012
Belgium20022
Belgium20032
Belgium20042
Belgium20052
Belgium20062
Belgium20072
Belgium20082
Belgium20092
Belgium20102
Belgium20112
Belgium20122
Belgium20132
Belgium20142
Belgium20152
Belgium20162
Belgium20172
Belgium20182
Belgium20192
Belgium20202
Belgium20212
Belgium20222
Belgium20232
Belgium20242
Brazil19752
Brazil19762
Brazil19772
Brazil19782
Brazil19792
Brazil19802
Brazil19812
Brazil19822
Brazil19832
Brazil19842
Brazil19852
Brazil19862
Brazil19872
Brazil19882
Brazil19892
Brazil19902
Brazil19912
Brazil19922
Brazil19932
Brazil19942
Brazil19952
Brazil19962
Brazil19972
Brazil19982
Brazil19992
Brazil20002
Brazil20012
Brazil20022
Brazil20032
Brazil20042
Brazil20052
Brazil20062
Brazil20072
Brazil20082
Brazil20092
Brazil20102
Brazil20112
Brazil20122
Brazil20132
Brazil20142
Brazil20152
Brazil20162
Brazil20172
Brazil20182
Brazil20192
Brazil20202
Brazil20212
Brazil20222
Brazil20232
Brazil20242
Bulgaria19782
Bulgaria19792
Bulgaria19802
Bulgaria19812
Bulgaria19822
Bulgaria19832
Bulgaria19842
Bulgaria19852
Bulgaria19862
Bulgaria19872
Bulgaria19882
Bulgaria19892
Bulgaria19902
Bulgaria19912
Bulgaria19922
Bulgaria19932
Bulgaria19942
Bulgaria19952
Bulgaria19962
Bulgaria19972
Bulgaria19982
Bulgaria19992
Bulgaria20002
Bulgaria20012
Bulgaria20022
Bulgaria20032
Bulgaria20042
Bulgaria20052
Bulgaria20062
Bulgaria20072
Bulgaria20082
Bulgaria20092
Bulgaria20102
Bulgaria20112
Bulgaria20122
Bulgaria20132
Bulgaria20142
Bulgaria20152
Bulgaria20162
Bulgaria20172
Bulgaria20182
Bulgaria20192
Bulgaria20202
Bulgaria20212
Bulgaria20222
Bulgaria20232
Bulgaria20242
Canada19882
Canada19892
Canada19902
Canada19912
Canada19922
Canada19932
Canada19942
Canada19952
Canada19962
Canada19972
Canada19982
Canada19992
Canada20002
Canada20012
Canada20022
Canada20032
Canada20042
Canada20052
Canada20062
Canada20072
Canada20082
Canada20092
Canada20102
Canada20112
Canada20122
Canada20132
Canada20142
Canada20152
Canada20162
Canada20172
Canada20182
Canada20192
Canada20202
Canada20212
Canada20222
Canada20232
Canada20242
Chile19590
Chile19600
Chile19612
Chile19622
Chile19632
Chile19642
Chile19652
Chile19662
Chile19672
Chile19682
Chile19692
Chile19702
Chile19712
Chile19722
Chile19732
Chile19742
Chile19752
Chile19762
Chile19772
Chile19782
Chile19792
Chile19802
Chile19812
Chile19822
Chile19832
Chile19842
Chile19852
Chile19862
Chile19872
Chile19882
Chile19892
Chile19902
Chile19912
Chile19922
Chile19932
Chile19942
Chile19952
Chile19962
Chile19972
Chile19982
Chile19992
Chile20002
Chile20012
Chile20022
Chile20032
Chile20042
Chile20052
Chile20062
Chile20072
Chile20082
Chile20092
Chile20102
Chile20112
Chile20122
Chile20132
Chile20142
Chile20152
Chile20162
Chile20172
Chile20182
Chile20192
Chile20202
Chile20212
Chile20222
Chile20232
Chile20242
China19832
China19842
China19852
China19862
China19872
China19882
China19892
China19902
China19912
China19922
China19932
China19942
China19952
China19962
China19972
China19982
China19992
China20002
China20012
China20022
China20032
China20042
China20052
China20062
China20072
China20082
China20092
China20102
China20112
China20122
China20132
China20142
China20152
China20162
China20172
China20182
China20192
China20202
China20212
China20222
China20232
China20242
Colombia19892
Colombia19902
Colombia19912
Colombia19922
Colombia19932
Colombia19942
Colombia19952
Colombia19962
Colombia19972
Colombia19982
Colombia19992
Colombia20002
Colombia20012
Colombia20022
Colombia20032
Colombia20042
Colombia20052
Colombia20062
Colombia20072
Colombia20082
Colombia20092
Colombia20102
Colombia20112
Colombia20122
Colombia20132
Colombia20142
Colombia20152
Colombia20162
Colombia20172
Colombia20182
Colombia20192
Colombia20202
Colombia20212
Colombia20222
Colombia20232
Colombia20242
Costa Rica20222
Costa Rica20232
Costa Rica20242
Cuba19842
Cuba19852
Cuba19862
Cuba19872
Cuba19882
Cuba19892
Cuba19902
Cuba19912
Cuba19922
Cuba19932
Cuba19942
Cuba19952
Cuba19962
Cuba19972
Cuba19982
Cuba19992
Cuba20002
Cuba20012
Cuba20022
Cuba20032
Cuba20042
Cuba20052
Cuba20062
Cuba20072
Cuba20082
Cuba20092
Cuba20102
Cuba20112
Cuba20122
Cuba20132
Cuba20142
Cuba20152
Cuba20162
Cuba20172
Cuba20182
Cuba20192
Cuba20202
Cuba20212
Cuba20222
Cuba20232
Cuba20242
Curacao20102
Curacao20112
Curacao20122
Curacao20132
Curacao20142
Curacao20152
Curacao20162
Curacao20172
Curacao20182
Curacao20192
Curacao20202
Curacao20212
Curacao20222
Curacao20232
Curacao20242
Czechia19622
Czechia19632
Czechia19642
Czechia19652
Czechia19662
Czechia19672
Czechia19682
Czechia19692
Czechia19702
Czechia19712
Czechia19722
Czechia19732
Czechia19742
Czechia19752
Czechia19762
Czechia19772
Czechia19782
Czechia19792
Czechia19802
Czechia19812
Czechia19822
Czechia19832
Czechia19842
Czechia19852
Czechia19862
Czechia19872
Czechia19882
Czechia19892
Czechia19902
Czechia19912
Czechia19920
Czechia19932
Czechia19942
Czechia19952
Czechia19962
Czechia19972
Czechia19982
Czechia19992
Czechia20002
Czechia20012
Czechia20022
Czechia20032
Czechia20042
Czechia20052
Czechia20062
Czechia20072
Czechia20082
Czechia20092
Czechia20102
Czechia20112
Czechia20122
Czechia20132
Czechia20142
Czechia20152
Czechia20162
Czechia20172
Czechia20182
Czechia20192
Czechia20202
Czechia20212
Czechia20222
Czechia20232
Czechia20242
Denmark19652
Denmark19662
Denmark19672
Denmark19682
Denmark19692
Denmark19702
Denmark19712
Denmark19722
Denmark19732
Denmark19742
Denmark19752
Denmark19762
Denmark19772
Denmark19782
Denmark19792
Denmark19802
Denmark19812
Denmark19822
Denmark19832
Denmark19842
Denmark19852
Denmark19862
Denmark19872
Denmark19882
Denmark19892
Denmark19902
Denmark19912
Denmark19922
Denmark19932
Denmark19942
Denmark19952
Denmark19962
Denmark19972
Denmark19982
Denmark19992
Denmark20002
Denmark20012
Denmark20022
Denmark20032
Denmark20042
Denmark20052
Denmark20062
Denmark20072
Denmark20082
Denmark20092
Denmark20102
Denmark20112
Denmark20122
Denmark20132
Denmark20142
Denmark20152
Denmark20162
Denmark20172
Denmark20182
Denmark20192
Denmark20202
Denmark20212
Denmark20222
Denmark20232
Denmark20242
Ecuador19872
Ecuador19882
Ecuador19892
Ecuador19902
Ecuador19912
Ecuador19922
Ecuador19932
Ecuador19942
Ecuador19952
Ecuador19962
Ecuador19972
Ecuador19982
Ecuador19992
Ecuador20002
Ecuador20012
Ecuador20022
Ecuador20032
Ecuador20042
Ecuador20052
Ecuador20062
Ecuador20072
Ecuador20082
Ecuador20092
Ecuador20102
Ecuador20112
Ecuador20122
Ecuador20132
Ecuador20142
Ecuador20152
Ecuador20162
Ecuador20172
Ecuador20182
Ecuador20192
Ecuador20202
Ecuador20212
Ecuador20222
Ecuador20232
Ecuador20242
Estonia20012
Estonia20022
Estonia20032
Estonia20042
Estonia20052
Estonia20062
Estonia20072
Estonia20082
Estonia20092
Estonia20102
Estonia20112
Estonia20122
Estonia20132
Estonia20142
Estonia20152
Estonia20162
Estonia20172
Estonia20182
Estonia20192
Estonia20202
Estonia20212
Estonia20222
Estonia20232
Estonia20242
Finland19842
Finland19852
Finland19862
Finland19872
Finland19882
Finland19892
Finland19902
Finland19912
Finland19922
Finland19932
Finland19942
Finland19952
Finland19962
Finland19972
Finland19982
Finland19992
Finland20002
Finland20012
Finland20022
Finland20032
Finland20042
Finland20052
Finland20062
Finland20072
Finland20082
Finland20092
Finland20102
Finland20112
Finland20122
Finland20132
Finland20142
Finland20152
Finland20162
Finland20172
Finland20182
Finland20192
Finland20202
Finland20212
Finland20222
Finland20232
Finland20242
France19590
France19601
France19612
France19622
France19632
France19642
France19652
France19662
France19672
France19682
France19692
France19702
France19712
France19722
France19732
France19742
France19752
France19762
France19772
France19782
France19792
France19802
France19812
France19822
France19832
France19842
France19852
France19862
France19872
France19882
France19892
France19902
France19912
France19922
France19932
France19942
France19952
France19962
France19972
France19982
France19992
France20002
France20012
France20022
France20032
France20042
France20052
France20062
France20072
France20082
France20092
France20102
France20112
France20122
France20132
France20142
France20152
France20162
France20172
France20182
France20192
France20202
France20212
France20222
France20232
France20242
Germany19792
Germany19802
Germany19812
Germany19822
Germany19832
Germany19842
Germany19852
Germany19862
Germany19872
Germany19882
Germany19892
Germany19902
Germany19912
Germany19922
Germany19932
Germany19942
Germany19952
Germany19962
Germany19972
Germany19982
Germany19992
Germany20002
Germany20012
Germany20022
Germany20032
Germany20042
Germany20052
Germany20062
Germany20072
Germany20082
Germany20092
Germany20102
Germany20112
Germany20122
Germany20132
Germany20142
Germany20152
Germany20162
Germany20172
Germany20182
Germany20192
Germany20202
Germany20212
Germany20222
Germany20232
Germany20242
Greece19872
Greece19882
Greece19892
Greece19902
Greece19912
Greece19922
Greece19932
Greece19942
Greece19952
Greece19962
Greece19972
Greece19982
Greece19992
Greece20002
Greece20012
Greece20022
Greece20032
Greece20042
Greece20052
Greece20062
Greece20072
Greece20082
Greece20092
Greece20102
Greece20112
Greece20122
Greece20132
Greece20142
Greece20152
Greece20162
Greece20172
Greece20182
Greece20192
Greece20202
Greece20212
Greece20222
Greece20232
Greece20242
Guatemala19912
Guatemala19922
Guatemala19932
Guatemala19942
Guatemala19952
Guatemala19962
Guatemala19972
Guatemala19982
Guatemala19992
Guatemala20002
Guatemala20012
Guatemala20022
Guatemala20032
Guatemala20042
Guatemala20052
Guatemala20062
Guatemala20072
Guatemala20082
Guatemala20092
Guatemala20102
Guatemala20112
Guatemala20122
Guatemala20132
Guatemala20142
Guatemala20152
Guatemala20162
Guatemala20172
Guatemala20182
Guatemala20192
Guatemala20202
Guatemala20212
Guatemala20222
Guatemala20232
Guatemala20242
Hungary19842
Hungary19852
Hungary19862
Hungary19872
Hungary19882
Hungary19892
Hungary19902
Hungary19912
Hungary19922
Hungary19932
Hungary19942
Hungary19952
Hungary19962
Hungary19972
Hungary19982
Hungary19992
Hungary20002
Hungary20012
Hungary20022
Hungary20032
Hungary20042
Hungary20052
Hungary20062
Hungary20072
Hungary20082
Hungary20092
Hungary20102
Hungary20112
Hungary20122
Hungary20132
Hungary20142
Hungary20152
Hungary20162
Hungary20172
Hungary20182
Hungary20192
Hungary20202
Hungary20212
Hungary20222
Hungary20232
Hungary20242
Iceland20152
Iceland20162
Iceland20172
Iceland20182
Iceland20192
Iceland20202
Iceland20212
Iceland20222
Iceland20232
Iceland20242
India19832
India19842
India19852
India19862
India19872
India19882
India19892
India19902
India19912
India19922
India19932
India19942
India19952
India19962
India19972
India19982
India19992
India20002
India20012
India20022
India20032
India20042
India20052
India20062
India20072
India20082
India20092
India20102
India20112
India20122
India20132
India20142
India20152
India20162
India20172
India20182
India20192
India20202
India20212
India20222
India20232
India20242
Italy19812
Italy19822
Italy19832
Italy19842
Italy19852
Italy19862
Italy19872
Italy19882
Italy19892
Italy19902
Italy19912
Italy19922
Italy19932
Italy19942
Italy19952
Italy19962
Italy19972
Italy19982
Italy19992
Italy20002
Italy20012
Italy20022
Italy20032
Italy20042
Italy20052
Italy20062
Italy20072
Italy20082
Italy20092
Italy20102
Italy20112
Italy20122
Italy20132
Italy20142
Italy20152
Italy20162
Italy20172
Italy20182
Italy20192
Italy20202
Italy20212
Italy20222
Italy20232
Italy20242
Japan19590
Japan19601
Japan19612
Japan19622
Japan19632
Japan19642
Japan19652
Japan19662
Japan19672
Japan19682
Japan19692
Japan19702
Japan19712
Japan19722
Japan19732
Japan19742
Japan19752
Japan19762
Japan19772
Japan19782
Japan19792
Japan19802
Japan19812
Japan19822
Japan19832
Japan19842
Japan19852
Japan19862
Japan19872
Japan19882
Japan19892
Japan19902
Japan19912
Japan19922
Japan19932
Japan19942
Japan19952
Japan19962
Japan19972
Japan19982
Japan19992
Japan20002
Japan20012
Japan20022
Japan20032
Japan20042
Japan20052
Japan20062
Japan20072
Japan20082
Japan20092
Japan20102
Japan20112
Japan20122
Japan20132
Japan20142
Japan20152
Japan20162
Japan20172
Japan20182
Japan20192
Japan20202
Japan20212
Japan20222
Japan20232
Japan20242
Kazakhstan20152
Kazakhstan20162
Kazakhstan20172
Kazakhstan20182
Kazakhstan20192
Kazakhstan20202
Kazakhstan20212
Kazakhstan20222
Kazakhstan20232
Kazakhstan20242
Korea, Democratic People's Republic19872
Korea, Democratic People's Republic19882
Korea, Democratic People's Republic19892
Korea, Democratic People's Republic19902
Korea, Democratic People's Republic19912
Korea, Democratic People's Republic19922
Korea, Democratic People's Republic19932
Korea, Democratic People's Republic19942
Korea, Democratic People's Republic19952
Korea, Democratic People's Republic19962
Korea, Democratic People's Republic19972
Korea, Democratic People's Republic19982
Korea, Democratic People's Republic19992
Korea, Democratic People's Republic20002
Korea, Democratic People's Republic20012
Korea, Democratic People's Republic20022
Korea, Democratic People's Republic20032
Korea, Democratic People's Republic20042
Korea, Democratic People's Republic20052
Korea, Democratic People's Republic20062
Korea, Democratic People's Republic20072
Korea, Democratic People's Republic20082
Korea, Democratic People's Republic20092
Korea, Democratic People's Republic20102
Korea, Democratic People's Republic20112
Korea, Democratic People's Republic20122
Korea, Democratic People's Republic20132
Korea, Democratic People's Republic20142
Korea, Democratic People's Republic20152
Korea, Democratic People's Republic20162
Korea, Democratic People's Republic20172
Korea, Democratic People's Republic20182
Korea, Democratic People's Republic20192
Korea, Democratic People's Republic20202
Korea, Democratic People's Republic20212
Korea, Democratic People's Republic20222
Korea, Democratic People's Republic20232
Korea, Democratic People's Republic20242
Korea, Republic of19862
Korea, Republic of19872
Korea, Republic of19882
Korea, Republic of19892
Korea, Republic of19902
Korea, Republic of19912
Korea, Republic of19922
Korea, Republic of19932
Korea, Republic of19942
Korea, Republic of19952
Korea, Republic of19962
Korea, Republic of19972
Korea, Republic of19982
Korea, Republic of19992
Korea, Republic of20002
Korea, Republic of20012
Korea, Republic of20022
Korea, Republic of20032
Korea, Republic of20042
Korea, Republic of20052
Korea, Republic of20062
Korea, Republic of20072
Korea, Republic of20082
Korea, Republic of20092
Korea, Republic of20102
Korea, Republic of20112
Korea, Republic of20122
Korea, Republic of20132
Korea, Republic of20142
Korea, Republic of20152
Korea, Republic of20162
Korea, Republic of20172
Korea, Republic of20182
Korea, Republic of20192
Korea, Republic of20202
Korea, Republic of20212
Korea, Republic of20222
Korea, Republic of20232
Korea, Republic of20242
Malaysia20112
Malaysia20122
Malaysia20132
Malaysia20142
Malaysia20152
Malaysia20162
Malaysia20172
Malaysia20182
Malaysia20192
Malaysia20202
Malaysia20212
Malaysia20222
Malaysia20232
Malaysia20242
Monaco20082
Monaco20092
Monaco20102
Monaco20112
Monaco20122
Monaco20132
Monaco20142
Monaco20152
Monaco20162
Monaco20172
Monaco20182
Monaco20192
Monaco20202
Monaco20212
Monaco20222
Monaco20232
Monaco20242
Mongolia20152
Mongolia20162
Mongolia20172
Mongolia20182
Mongolia20192
Mongolia20202
Mongolia20212
Mongolia20222
Mongolia20232
Mongolia20242
Netherlands19672
Netherlands19682
Netherlands19692
Netherlands19702
Netherlands19712
Netherlands19722
Netherlands19732
Netherlands19742
Netherlands19752
Netherlands19762
Netherlands19772
Netherlands19782
Netherlands19792
Netherlands19802
Netherlands19812
Netherlands19822
Netherlands19832
Netherlands19842
Netherlands19852
Netherlands19862
Netherlands19872
Netherlands19882
Netherlands19892
Netherlands19902
Netherlands19912
Netherlands19922
Netherlands19932
Netherlands19942
Netherlands19952
Netherlands19962
Netherlands19972
Netherlands19982
Netherlands19992
Netherlands20002
Netherlands20012
Netherlands20022
Netherlands20032
Netherlands20042
Netherlands20052
Netherlands20062
Netherlands20072
Netherlands20082
Netherlands20092
Netherlands20102
Netherlands20112
Netherlands20122
Netherlands20132
Netherlands20142
Netherlands20152
Netherlands20162
Netherlands20172
Netherlands20182
Netherlands20192
Netherlands20202
Netherlands20212
Netherlands20222
Netherlands20232
Netherlands20242
New Zealand19590
New Zealand19601
New Zealand19612
New Zealand19622
New Zealand19632
New Zealand19642
New Zealand19652
New Zealand19662
New Zealand19672
New Zealand19682
New Zealand19692
New Zealand19702
New Zealand19712
New Zealand19722
New Zealand19732
New Zealand19742
New Zealand19752
New Zealand19762
New Zealand19772
New Zealand19782
New Zealand19792
New Zealand19802
New Zealand19812
New Zealand19822
New Zealand19832
New Zealand19842
New Zealand19852
New Zealand19862
New Zealand19872
New Zealand19882
New Zealand19892
New Zealand19902
New Zealand19912
New Zealand19922
New Zealand19932
New Zealand19942
New Zealand19952
New Zealand19962
New Zealand19972
New Zealand19982
New Zealand19992
New Zealand20002
New Zealand20012
New Zealand20022
New Zealand20032
New Zealand20042
New Zealand20052
New Zealand20062
New Zealand20072
New Zealand20082
New Zealand20092
New Zealand20102
New Zealand20112
New Zealand20122
New Zealand20132
New Zealand20142
New Zealand20152
New Zealand20162
New Zealand20172
New Zealand20182
New Zealand20192
New Zealand20202
New Zealand20212
New Zealand20222
New Zealand20232
New Zealand20242
Norway19590
Norway19601
Norway19612
Norway19622
Norway19632
Norway19642
Norway19652
Norway19662
Norway19672
Norway19682
Norway19692
Norway19702
Norway19712
Norway19722
Norway19732
Norway19742
Norway19752
Norway19762
Norway19772
Norway19782
Norway19792
Norway19802
Norway19812
Norway19822
Norway19832
Norway19842
Norway19852
Norway19862
Norway19872
Norway19882
Norway19892
Norway19902
Norway19912
Norway19922
Norway19932
Norway19942
Norway19952
Norway19962
Norway19972
Norway19982
Norway19992
Norway20002
Norway20012
Norway20022
Norway20032
Norway20042
Norway20052
Norway20062
Norway20072
Norway20082
Norway20092
Norway20102
Norway20112
Norway20122
Norway20132
Norway20142
Norway20152
Norway20162
Norway20172
Norway20182
Norway20192
Norway20202
Norway20212
Norway20222
Norway20232
Norway20242
Pakistan20122
Pakistan20132
Pakistan20142
Pakistan20152
Pakistan20162
Pakistan20172
Pakistan20182
Pakistan20192
Pakistan20202
Pakistan20212
Pakistan20222
Pakistan20232
Pakistan20242
Papua New Guinea19812
Papua New Guinea19822
Papua New Guinea19832
Papua New Guinea19842
Papua New Guinea19852
Papua New Guinea19862
Papua New Guinea19872
Papua New Guinea19882
Papua New Guinea19892
Papua New Guinea19902
Papua New Guinea19912
Papua New Guinea19922
Papua New Guinea19932
Papua New Guinea19942
Papua New Guinea19952
Papua New Guinea19962
Papua New Guinea19972
Papua New Guinea19982
Papua New Guinea19992
Papua New Guinea20002
Papua New Guinea20012
Papua New Guinea20022
Papua New Guinea20032
Papua New Guinea20042
Papua New Guinea20052
Papua New Guinea20062
Papua New Guinea20072
Papua New Guinea20082
Papua New Guinea20092
Papua New Guinea20102
Papua New Guinea20112
Papua New Guinea20122
Papua New Guinea20132
Papua New Guinea20142
Papua New Guinea20152
Papua New Guinea20162
Papua New Guinea20172
Papua New Guinea20182
Papua New Guinea20192
Papua New Guinea20202
Papua New Guinea20212
Papua New Guinea20222
Papua New Guinea20232
Papua New Guinea20242
Peru19812
Peru19822
Peru19832
Peru19842
Peru19852
Peru19862
Peru19872
Peru19882
Peru19892
Peru19902
Peru19912
Peru19922
Peru19932
Peru19942
Peru19952
Peru19962
Peru19972
Peru19982
Peru19992
Peru20002
Peru20012
Peru20022
Peru20032
Peru20042
Peru20052
Peru20062
Peru20072
Peru20082
Peru20092
Peru20102
Peru20112
Peru20122
Peru20132
Peru20142
Peru20152
Peru20162
Peru20172
Peru20182
Peru20192
Peru20202
Peru20212
Peru20222
Peru20232
Peru20242
Poland19612
Poland19622
Poland19632
Poland19642
Poland19652
Poland19662
Poland19672
Poland19682
Poland19692
Poland19702
Poland19712
Poland19722
Poland19732
Poland19742
Poland19752
Poland19762
Poland19772
Poland19782
Poland19792
Poland19802
Poland19812
Poland19822
Poland19832
Poland19842
Poland19852
Poland19862
Poland19872
Poland19882
Poland19892
Poland19902
Poland19912
Poland19922
Poland19932
Poland19942
Poland19952
Poland19962
Poland19972
Poland19982
Poland19992
Poland20002
Poland20012
Poland20022
Poland20032
Poland20042
Poland20052
Poland20062
Poland20072
Poland20082
Poland20092
Poland20102
Poland20112
Poland20122
Poland20132
Poland20142
Poland20152
Poland20162
Poland20172
Poland20182
Poland20192
Poland20202
Poland20212
Poland20222
Poland20232
Poland20242
Portugal20102
Portugal20112
Portugal20122
Portugal20132
Portugal20142
Portugal20152
Portugal20162
Portugal20172
Portugal20182
Portugal20192
Portugal20202
Portugal20212
Portugal20222
Portugal20232
Portugal20242
Romania19712
Romania19722
Romania19732
Romania19742
Romania19752
Romania19762
Romania19772
Romania19782
Romania19792
Romania19802
Romania19812
Romania19822
Romania19832
Romania19842
Romania19852
Romania19862
Romania19872
Romania19882
Romania19892
Romania19902
Romania19912
Romania19922
Romania19932
Romania19942
Romania19952
Romania19962
Romania19972
Romania19982
Romania19992
Romania20002
Romania20012
Romania20022
Romania20032
Romania20042
Romania20052
Romania20062
Romania20072
Romania20082
Romania20092
Romania20102
Romania20112
Romania20122
Romania20132
Romania20142
Romania20152
Romania20162
Romania20172
Romania20182
Romania20192
Romania20202
Romania20212
Romania20222
Romania20232
Romania20242
Russian Federation19590
Russian Federation19601
Russian Federation19612
Russian Federation19622
Russian Federation19632
Russian Federation19642
Russian Federation19652
Russian Federation19662
Russian Federation19672
Russian Federation19682
Russian Federation19692
Russian Federation19702
Russian Federation19712
Russian Federation19722
Russian Federation19732
Russian Federation19742
Russian Federation19752
Russian Federation19762
Russian Federation19772
Russian Federation19782
Russian Federation19792
Russian Federation19802
Russian Federation19812
Russian Federation19822
Russian Federation19832
Russian Federation19842
Russian Federation19852
Russian Federation19862
Russian Federation19872
Russian Federation19882
Russian Federation19892
Russian Federation19902
Russian Federation19912
Russian Federation19922
Russian Federation19932
Russian Federation19942
Russian Federation19952
Russian Federation19962
Russian Federation19972
Russian Federation19982
Russian Federation19992
Russian Federation20002
Russian Federation20012
Russian Federation20022
Russian Federation20032
Russian Federation20042
Russian Federation20052
Russian Federation20062
Russian Federation20072
Russian Federation20082
Russian Federation20092
Russian Federation20102
Russian Federation20112
Russian Federation20122
Russian Federation20132
Russian Federation20142
Russian Federation20152
Russian Federation20162
Russian Federation20172
Russian Federation20182
Russian Federation20192
Russian Federation20202
Russian Federation20212
Russian Federation20222
Russian Federation20232
Russian Federation20242
Saint Martin19672
Saint Martin19682
Saint Martin19692
Saint Martin19702
Saint Martin19712
Saint Martin19722
Saint Martin19732
Saint Martin19742
Saint Martin19752
Saint Martin19762
Saint Martin19772
Saint Martin19782
Saint Martin19792
Saint Martin19802
Saint Martin19812
Saint Martin19822
Saint Martin19832
Saint Martin19842
Saint Martin19852
Saint Martin19862
Saint Martin19872
Saint Martin19882
Saint Martin19892
Saint Martin19902
Saint Martin19912
Saint Martin19922
Saint Martin19932
Saint Martin19942
Saint Martin19952
Saint Martin19962
Saint Martin19972
Saint Martin19982
Saint Martin19992
Saint Martin20002
Saint Martin20012
Saint Martin20022
Saint Martin20032
Saint Martin20042
Saint Martin20052
Saint Martin20062
Saint Martin20072
Saint Martin20082
Saint Martin20092
Saint Martin20102
Saint Martin20112
Saint Martin20122
Saint Martin20132
Saint Martin20142
Saint Martin20152
Saint Martin20162
Saint Martin20172
Saint Martin20182
Saint Martin20192
Saint Martin20202
Saint Martin20212
Saint Martin20222
Saint Martin20232
Saint Martin20242
San Marino20232
San Marino20242
Slovakia19932
Slovakia19942
Slovakia19952
Slovakia19962
Slovakia19972
Slovakia19982
Slovakia19992
Slovakia20002
Slovakia20012
Slovakia20022
Slovakia20032
Slovakia20042
Slovakia20052
Slovakia20062
Slovakia20072
Slovakia20082
Slovakia20092
Slovakia20102
Slovakia20112
Slovakia20122
Slovakia20132
Slovakia20142
Slovakia20152
Slovakia20162
Slovakia20172
Slovakia20182
Slovakia20192
Slovakia20202
Slovakia20212
Slovakia20222
Slovakia20232
Slovakia20242
Slovenia20192
Slovenia20202
Slovenia20212
Slovenia20222
Slovenia20232
Slovenia20242
South Africa19590
South Africa19601
South Africa19612
South Africa19622
South Africa19632
South Africa19642
South Africa19652
South Africa19662
South Africa19672
South Africa19682
South Africa19692
South Africa19702
South Africa19712
South Africa19722
South Africa19732
South Africa19742
South Africa19752
South Africa19762
South Africa19772
South Africa19782
South Africa19792
South Africa19802
South Africa19812
South Africa19822
South Africa19832
South Africa19842
South Africa19852
South Africa19862
South Africa19872
South Africa19882
South Africa19892
South Africa19902
South Africa19912
South Africa19922
South Africa19932
South Africa19942
South Africa19952
South Africa19962
South Africa19972
South Africa19982
South Africa19992
South Africa20002
South Africa20012
South Africa20022
South Africa20032
South Africa20042
South Africa20052
South Africa20062
South Africa20072
South Africa20082
South Africa20092
South Africa20102
South Africa20112
South Africa20122
South Africa20132
South Africa20142
South Africa20152
South Africa20162
South Africa20172
South Africa20182
South Africa20192
South Africa20202
South Africa20212
South Africa20222
South Africa20232
South Africa20242
Spain19822
Spain19832
Spain19842
Spain19852
Spain19862
Spain19872
Spain19882
Spain19892
Spain19902
Spain19912
Spain19922
Spain19932
Spain19942
Spain19952
Spain19962
Spain19972
Spain19982
Spain19992
Spain20002
Spain20012
Spain20022
Spain20032
Spain20042
Spain20052
Spain20062
Spain20072
Spain20082
Spain20092
Spain20102
Spain20112
Spain20122
Spain20132
Spain20142
Spain20152
Spain20162
Spain20172
Spain20182
Spain20192
Spain20202
Spain20212
Spain20222
Spain20232
Spain20242
Sweden19842
Sweden19852
Sweden19862
Sweden19872
Sweden19882
Sweden19892
Sweden19902
Sweden19912
Sweden19922
Sweden19932
Sweden19942
Sweden19952
Sweden19962
Sweden19972
Sweden19982
Sweden19992
Sweden20002
Sweden20012
Sweden20022
Sweden20032
Sweden20042
Sweden20052
Sweden20062
Sweden20072
Sweden20082
Sweden20092
Sweden20102
Sweden20112
Sweden20122
Sweden20132
Sweden20142
Sweden20152
Sweden20162
Sweden20172
Sweden20182
Sweden20192
Sweden20202
Sweden20212
Sweden20222
Sweden20232
Sweden20242
Switzerland19902
Switzerland19912
Switzerland19922
Switzerland19932
Switzerland19942
Switzerland19952
Switzerland19962
Switzerland19972
Switzerland19982
Switzerland19992
Switzerland20002
Switzerland20012
Switzerland20022
Switzerland20032
Switzerland20042
Switzerland20052
Switzerland20062
Switzerland20072
Switzerland20082
Switzerland20092
Switzerland20102
Switzerland20112
Switzerland20122
Switzerland20132
Switzerland20142
Switzerland20152
Switzerland20162
Switzerland20172
Switzerland20182
Switzerland20192
Switzerland20202
Switzerland20212
Switzerland20222
Switzerland20232
Switzerland20242
Türkiye19962
Türkiye19972
Türkiye19982
Türkiye19992
Türkiye20002
Türkiye20012
Türkiye20022
Türkiye20032
Türkiye20042
Türkiye20052
Türkiye20062
Türkiye20072
Türkiye20082
Türkiye20092
Türkiye20102
Türkiye20112
Türkiye20122
Türkiye20132
Türkiye20142
Türkiye20152
Türkiye20162
Türkiye20172
Türkiye20182
Türkiye20192
Türkiye20202
Türkiye20212
Türkiye20222
Türkiye20232
Türkiye20242
Ukraine19922
Ukraine19932
Ukraine19942
Ukraine19952
Ukraine19962
Ukraine19972
Ukraine19982
Ukraine19992
Ukraine20002
Ukraine20012
Ukraine20022
Ukraine20032
Ukraine20042
Ukraine20052
Ukraine20062
Ukraine20072
Ukraine20082
Ukraine20092
Ukraine20102
Ukraine20112
Ukraine20122
Ukraine20132
Ukraine20142
Ukraine20152
Ukraine20162
Ukraine20172
Ukraine20182
Ukraine20192
Ukraine20202
Ukraine20212
Ukraine20222
Ukraine20232
Ukraine20242
United Kingdom19590
United Kingdom19601
United Kingdom19612
United Kingdom19622
United Kingdom19632
United Kingdom19642
United Kingdom19652
United Kingdom19662
United Kingdom19672
United Kingdom19682
United Kingdom19692
United Kingdom19702
United Kingdom19712
United Kingdom19722
United Kingdom19732
United Kingdom19742
United Kingdom19752
United Kingdom19762
United Kingdom19772
United Kingdom19782
United Kingdom19792
United Kingdom19802
United Kingdom19812
United Kingdom19822
United Kingdom19832
United Kingdom19842
United Kingdom19852
United Kingdom19862
United Kingdom19872
United Kingdom19882
United Kingdom19892
United Kingdom19902
United Kingdom19912
United Kingdom19922
United Kingdom19932
United Kingdom19942
United Kingdom19952
United Kingdom19962
United Kingdom19972
United Kingdom19982
United Kingdom19992
United Kingdom20002
United Kingdom20012
United Kingdom20022
United Kingdom20032
United Kingdom20042
United Kingdom20052
United Kingdom20062
United Kingdom20072
United Kingdom20082
United Kingdom20092
United Kingdom20102
United Kingdom20112
United Kingdom20122
United Kingdom20132
United Kingdom20142
United Kingdom20152
United Kingdom20162
United Kingdom20172
United Kingdom20182
United Kingdom20192
United Kingdom20202
United Kingdom20212
United Kingdom20222
United Kingdom20232
United Kingdom20242
United States19590
United States19601
United States19612
United States19622
United States19632
United States19642
United States19652
United States19662
United States19672
United States19682
United States19692
United States19702
United States19712
United States19722
United States19732
United States19742
United States19752
United States19762
United States19772
United States19782
United States19792
United States19802
United States19812
United States19822
United States19832
United States19842
United States19852
United States19862
United States19872
United States19882
United States19892
United States19902
United States19912
United States19922
United States19932
United States19942
United States19952
United States19962
United States19972
United States19982
United States19992
United States20002
United States20012
United States20022
United States20032
United States20042
United States20052
United States20062
United States20072
United States20082
United States20092
United States20102
United States20112
United States20122
United States20132
United States20142
United States20152
United States20162
United States20172
United States20182
United States20192
United States20202
United States20212
United States20222
United States20232
United States20242
Uruguay19802
Uruguay19812
Uruguay19822
Uruguay19832
Uruguay19842
Uruguay19852
Uruguay19862
Uruguay19872
Uruguay19882
Uruguay19892
Uruguay19902
Uruguay19912
Uruguay19922
Uruguay19932
Uruguay19942
Uruguay19952
Uruguay19962
Uruguay19972
Uruguay19982
Uruguay19992
Uruguay20002
Uruguay20012
Uruguay20022
Uruguay20032
Uruguay20042
Uruguay20052
Uruguay20062
Uruguay20072
Uruguay20082
Uruguay20092
Uruguay20102
Uruguay20112
Uruguay20122
Uruguay20132
Uruguay20142
Uruguay20152
Uruguay20162
Uruguay20172
Uruguay20182
Uruguay20192
Uruguay20202
Uruguay20212
Uruguay20222
Uruguay20232
Uruguay20242
Venezuela19992
Venezuela20002
Venezuela20012
Venezuela20022
Venezuela20032
Venezuela20042
Venezuela20052
Venezuela20062
Venezuela20072
Venezuela20082
Venezuela20092
Venezuela20102
Venezuela20112
Venezuela20122
Venezuela20132
Venezuela20142
Venezuela20152
Venezuela20162
Venezuela20172
Venezuela20182
Venezuela20192
Venezuela20202
Venezuela20212
Venezuela20222
Venezuela20232
Venezuela20242

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).