| Judge | Nationality | Appointing State | Case(s) | Start | End |
|---|
| Georges Abi-Saab |  Egypt |  Republic of Mali | Frontier Dispute (Burkina Faso/Republic of Mali) | 1983 | 1987 |
 Chad | Territorial Dispute (Libyan Arab Jamahiriya/Chad) | 1990 | 1994 |
| Adetobunboh A. Ademola |  Nigeria |  Ethiopia | South West Africa (Ethiopia v. South Africa) | 1960 | 1966 |
 Liberia | South West Africa (Liberia v. South Africa) | 1960 | 1966 |
| Mohsen Aghahosseini |  Islamic Republic of Iran | Islamic Republic of Iran | Aerial Incident of 3 July 1988 (Islamic Republic of Iran v. United States of America) | 1989 | 1996 |
| Roberto Ago |  Italy |  Honduras | Arbitral Award Made by the King of Spain on 23 December 1906 (Honduras v. Nicaragua) | 1958 | 1960 |
| Awn Shawkat Al-Khasawneh |  Jordan |  Nicaragua | Maritime Delimitation in the Caribbean Sea and the Pacific Ocean (Costa Rica v. Nicaragua) | 2014 | 2018 |
| Nicaragua | Land Boundary in the Northern Part of Isla Portillos (Costa Rica v. Nicaragua) | 2016 | 2018 |
| Nicaragua | Alleged Breaches of Certain International Obligations in respect of the Occupied Palestinian Territory (Nicaragua v. Germany) | 2024 | |
| Luis Alayza y Paz Soldán |  Peru | Peru | Asylum (Colombia/Peru) | 1949 | 1950 |
| Peru | Request for Interpretation of the Judgment of 20 November 1950 in the Asylum Case (Colombia v. Peru) | 1950 | 1950 |
| Peru | Haya de la Torre (Colombia v. Peru) | 1950 | 1951 |
| Louise Arbour |  Canada |  Chile | Obligation to Negotiate Access to the Pacific Ocean (Bolivia v. Chile) | 2013 | 2018 |
| Enrique c. Armand-Ugon |  Uruguay |  Spain | Barcelona Traction, Light and Power Company, Limited (Belgium v. Spain) (New Application: 1962) | 1962 | 1970 |
| Antonio de Arruda Ferrer-Correia |  Portugal | Portugal | East Timor (Portugal v. Australia) | 1991 | 1995 |
| Aharon Barak |  Israel | Israel | Application of the Convention on the Prevention and Punishment of the Crime of Genocide in the Gaza Strip (South Africa v. Israel) | 2023 | |
| Rosemary Barkett |  United States of America | United States of America | Certain Iranian Assets (Islamic Republic of Iran v. United States of America) | 2016 | |
| Sir Garfield Barwick |  Australia | Australia | Nuclear Tests (Australia v. France) | 1973 | 1974 |
 New Zealand | Nuclear Tests (New Zealand v. France) | 1973 | 1974 |
| Suzanne Bastid |  France |  Tunisia | Application for Revision and Interpretation of the Judgment of 24 February 1982 in the Case concerning the Continental Shelf (Tunisia/Libyan Arab Jamahiriya) (Tunisia v. Libyan Arab Jamahiriya) | 1984 | 1985 |
| Philémon Beb à Don |  Cameroon | Cameroon | Northern Cameroons (Cameroon v. United Kingdom) | 1961 | 1963 |
| Mohammed Bedjaoui |  Algeria |  Republic of Guinea | Ahmadou Sadio Diallo (Republic of Guinea v. Democratic Republic of the Congo) | 1998 | 2012 |
| Nicaragua | Territorial and Maritime Dispute (Nicaragua v. Colombia) | 2001 | 2012 |
 Niger | Frontier Dispute (Benin/Niger) | 2002 | 2005 |
 Marshall Islands | Obligations concerning Negotiations relating to Cessation of the Nuclear Arms Race and to Nuclear Disarmament (Marshall Islands v. India) | 2014 | 2016 |
| Marshall Islands | Obligations concerning Negotiations relating to Cessation of the Nuclear Arms Race and to Nuclear Disarmament (Marshall Islands v. Pakistan) | 2014 | 2016 |
| Marshall Islands | Obligations concerning Negotiations relating to Cessation of the Nuclear Arms Race and to Nuclear Disarmament (Marshall Islands v. United Kingdom) | 2014 | 2016 |
| Sir Franklin Berman |  United Kingdom of Great Britain and Northern Ireland |  Bahrain | Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar) | 2018 | 2020 |
| Egypt | Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar) | 2018 | 2020 |
 Saudi Arabia | Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar) | 2018 | 2020 |
 United Arab Emirates | Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar) | 2018 | 2020 |
| Bahrain | Appeal relating to the Jurisdiction of the ICAO Council under Article II, Section 2, of the 1944 International Air Services Transit Agreement (Bahrain, Egypt and United Arab Emirates v. Qatar) | 2018 | 2020 |
| Egypt | Appeal relating to the Jurisdiction of the ICAO Council under Article II, Section 2, of the 1944 International Air Services Transit Agreement (Bahrain, Egypt and United Arab Emirates v. Qatar) | 2018 | 2020 |
| United Arab Emirates | Appeal relating to the Jurisdiction of the ICAO Council under Article II, Section 2, of the 1944 International Air Services Transit Agreement (Bahrain, Egypt and United Arab Emirates v. Qatar) | 2018 | 2020 |
| Alphonse Boni |  Cote d'Ivoire |  Morocco | Western Sahara | 1974 | 1975 |
| Bengt Broms |  Finland | Finland | Passage through the Great Belt (Finland v. Denmark) | 1991 | 1992 |
| Charles Brower | United States of America |  Colombia | Question of the Delimitation of the Continental Shelf between Nicaragua and Colombia beyond 200 nautical miles from the Nicaraguan Coast (Nicaragua v. Colombia) | 2013 | |
| United States of America | Certain Iranian Assets (Islamic Republic of Iran v. United States of America) | 2016 | |
| United States of America | Alleged Violations of the 1955 Treaty of Amity, Economic Relations, and Consular Rights (Islamic Republic of Iran v. United States of America) | 2018 | |
| Ian Brownlie | United Kingdom of Great Britain and Northern Ireland |  Liechtenstein | Certain Property (Liechtenstein v. Germany) | 2001 | 2005 |
| Andreas Bucher |  Switzerland | Switzerland | Jurisdiction and Enforcement of Judgments in Civil and Commercial Matters (Belgium v. Switzerland) | 2009 | 2011 |
| Sayeman Bula-Bula |  Democratic Republic of the Congo | Democratic Republic of the Congo | Arrest Warrant of 11 April 2000 (Democratic Republic of the Congo v. Belgium) | 2000 | 2002 |
| José Joaquin Caicedo Castilla | Colombia | Colombia | Asylum (Colombia/Peru) | 1949 | 1950 |
| Colombia | Request for Interpretation of the Judgment of 20 November 1950 in the Asylum Case (Colombia v. Peru) | 1950 | 1950 |
| Colombia | Haya de la Torre (Colombia v. Peru) | 1950 | 1951 |
| Ian Callinan | Australia | Australia | Questions relating to the Seizure and Detention of Certain Documents and Data (Timor-Leste v. Australia) | 2013 | 2015 |
| Antônio Augusto Cançado Trindade |  Brazil |  Costa Rica | Dispute regarding Navigational and Related Rights (Costa Rica v. Nicaragua) | 2005 | 2009 |
| Jean-Yves de Cara | France |  Republic of the Congo | Certain Criminal Proceedings in France (Republic of the Congo v. France) | 2002 | 2010 |
| David Caron | United States of America | Colombia | Alleged Violations of Sovereign Rights and Maritime Spaces in the Caribbean Sea (Nicaragua v. Colombia) | 2013 | 2022 |
| United States of America | Certain Iranian Assets (Islamic Republic of Iran v. United States of America) | 2016 | |
| Paul Carry | Switzerland | Switzerland | Interhandel (Switzerland v. United States of America) | 1957 | 1959 |
| Jorge Castañeda |  Mexico |  Malta | Continental Shelf (Libyan Arab Jamahiriya/Malta) | 1982 | 1985 |
| Federico de Castro | Spain | Spain | Barcelona Traction, Light and Power Company, Limited (Belgium v. Spain) | 1958 | 1961 |
| Mohamed Ali Currim Chagla |  India | India | Right of Passage over Indian Territory (Portugal v. India) | 1955 | 1960 |
| Hilary Charlesworth | Australia | Australia | Whaling in the Antarctic (Australia v. Japan: New Zealand intervening) | 2010 | 2014 |
 Guyana | Arbitral Award of 3 October 1899 (Guyana v. Venezuela) | 2018 | |
| Joseph Chesson | Liberia | Ethiopia | South West Africa (Ethiopia v. South Africa) | 1960 | 1966 |
| Liberia | South West Africa (Liberia v. South Africa) | 1960 | 1966 |
| Maxwell Cohen | Canada | Canada | Delimitation of the Maritime Boundary in the Gulf of Maine Area (Canada/United States of America) | 1981 | 1984 |
| Claude-Albert Colliard | France | Nicaragua | Military and Paramilitary Activities in and against Nicaragua (Nicaragua v. United States of America) | 1984 | 1991 |
| Jean-Pierre Cot | France | Colombia | Territorial and Maritime Dispute (Nicaragua v. Colombia) | 2001 | 2012 |
 Romania | Maritime Delimitation in the Black Sea (Romania v. Ukraine) | 2004 | 2009 |
| Colombia | Aerial Herbicide Spraying (Ecuador v. Colombia) | 2008 | 2013 |
 Burkina Faso | Frontier Dispute (Burkina Faso/Niger) | 2010 | 2013 |
 Thailand | Request for Interpretation of the Judgment of 15 June 1962 in the Case concerning the Temple of Preah Vihear (Cambodia v. Thailand) (Cambodia v. Thailand) | 2011 | 2013 |
 Timor-Leste | Questions relating to the Seizure and Detention of Certain Documents and Data (Timor-Leste v. Australia) | 2013 | 2015 |
| United Arab Emirates | Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Qatar v. United Arab Emirates) | 2018 | 2021 |
| Philippe Couvreur |  Belgium |  Venezuela | Arbitral Award of 3 October 1899 (Guyana v. Venezuela) | 2018 | |
 Guatemala | Guatemala's Territorial, Insular and Maritime Claim (Guatemala/Belize) | 2008 | |
| United Arab Emirates | Application of the Convention on the Prevention and Punishment of the Crime of Genocide in Sudan (Sudan v. United Arab Emirates) | 2025 | |
| John H. Currie | Canada | Canada | Alleged Violations of State Immunities (Islamic Republic of Iran v. Canada) | 2023 | |
| Yves Daudet | France | Democratic Republic of the Congo | Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Uganda) | 1999 | 2022 |
| Burkina Faso | Frontier Dispute (Burkina Faso/Niger) | 2010 | 2013 |
 Bolivia | Obligation to Negotiate Access to the Pacific Ocean (Bolivia v. Chile) | 2013 | 2018 |
| Nicaragua | Alleged Violations of Sovereign Rights and Maritime Spaces in the Caribbean Sea (Nicaragua v. Colombia) | 2013 | 2022 |
| Bolivia | Dispute over the Status and Use of the Waters of the Silala (Chile v. Bolivia) | 2016 | |
 Qatar | Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Qatar v. United Arab Emirates) | 2018 | 2021 |
| Qatar | Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar) | 2018 | 2020 |
| Qatar | Appeal relating to the Jurisdiction of the ICAO Council under Article II, Section 2, of the 1944 International Air Services Transit Agreement (Bahrain, Egypt and United Arab Emirates v. Qatar) | 2018 | 2020 |
 Armenia | Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Armenia v. Azerbaijan) | 2021 | |
| Armenia | Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Azerbaijan v. Armenia) | 2021 | |
 Ukraine | Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation) | 2022 | |
| Igor Daxner |  Czechoslovakia |  Albania | Corfu Channel (United Kingdom of Great Britain and Northern Ireland v. Albania) | 1947 | 1949 |
| Vojin Dimitrijevic |  Yugoslavia | Yugoslavia | Application for Revision of the Judgment of 11 July 1996 in the Case concerning Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Yugoslavia), Preliminary Objections (Yugoslavia v. Bosnia and Herzegovina) | 2001 | 2003 |
| Christopher J. R. Dugard |  South Africa |  Rwanda | Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Rwanda) | 1999 | 2001 |
| Rwanda | Armed Activities on the Territory of the Congo (New Application: 2002) (Democratic Republic of the Congo v. Rwanda) | 2002 | 2006 |
 Malaysia | Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore) | 2003 | 2008 |
| Costa Rica | Certain Activities Carried Out by Nicaragua in the Border Area (Costa Rica v. Nicaragua) | 2010 | 2018 |
| Costa Rica | Construction of a Road in Costa Rica along the San Juan River (Nicaragua v. Costa Rica) | 2011 | 2015 |
| Malaysia | Application for revision of the Judgment of 23 May 2008 in the case concerning Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore) (Malaysia v. Singapore) | 2017 | 2018 |
| Malaysia | Request for Interpretation of the Judgment of 23 May 2008 in the case concerning Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore) (Malaysia v. Singapore) | 2017 | 2018 |
| Patrick Ferdinand Duinslaeger | Belgium | Belgium | Legality of Use of Force (Serbia and Montenegro v. Belgium) | 1999 | 2004 |
| Nasrollah Ebrahimi | Islamic Republic of Iran | Islamic Republic of Iran | Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Islamic Republic of Iran v. Canada, Sweden, Ukraine and United Kingdom) | 2025 | |
| Ahmed Sadek El-Kosheri | Egypt |  Libyan Arab Jamahiriya | Questions of Interpretation and Application of the 1971 Montreal Convention arising from the Aerial Incident at Lockerbie (Libyan Arab Jamahiriya v. United Kingdom) | 1992 | 2003 |
| Libyan Arab Jamahiriya | Questions of Interpretation and Application of the 1971 Montreal Convention arising from the Aerial Incident at Lockerbie (Libyan Arab Jamahiriya v. United States of America) | 1992 | 2003 |
| Nabil Elaraby | Egypt | United Arab Emirates | Appeal relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar) | 2018 | 2020 |
| United Arab Emirates | Appeal relating to the Jurisdiction of the ICAO Council under Article II, Section 2, of the 1944 International Air Services Transit Agreement (Bahrain, Egypt and United Arab Emirates v. Qatar) | 2018 | 2020 |
| Jens Evensen |  Norway | Tunisia | Continental Shelf (Tunisia/Libyan Arab Jamahiriya) | 1978 | 1982 |
| Bohuslav Ečer | Czechoslovakia | Albania | Corfu Channel (United Kingdom of Great Britain and Northern Ireland v. Albania) | 1947 | 1949 |
| Manuel Fernandes | Portugal | Portugal | Right of Passage over Indian Territory (Portugal v. India) | 1955 | 1960 |
| Silvia Alejandra Fernández de Gurmendi |  Argentina | Canada | Application of the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (Canada and Netherlands v. Syrian Arab Republic) | 2023 | |
 Netherlands | Application of the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (Canada and Netherlands v. Syrian Arab Republic) | 2023 | |
| PaulHenning Fischer |  Denmark | Denmark | Maritime Delimitation in the Area between Greenland and Jan Mayen (Denmark v. Norway) | 1988 | 1993 |
| Denmark | Passage through the Great Belt (Finland v. Denmark) | 1991 | 1992 |
| Carl-August Fleischhauer |  Federal Republic of Germany | Germany | Certain Property (Liechtenstein v. Germany) | 2001 | 2005 |
| Yves L. Fortier | Canada | Bahrain | Maritime Delimitation and Territorial Questions between Qatar and Bahrain (Qatar v. Bahrain) | 1991 | 2001 |
| Colombia | Territorial and Maritime Dispute (Nicaragua v. Colombia) | 2001 | 2012 |
| Thomas Franck | United States of America |  Indonesia | Sovereignty over Pulau Ligitan and Pulau Sipadan (Indonesia/Malaysia) | 1998 | 2002 |
| Giorgio Gaja | Italy | Italy | Legality of Use of Force (Serbia and Montenegro v. Italy) | 1999 | 2004 |
| Nicaragua | Territorial and Maritime Dispute between Nicaragua and Honduras in the Caribbean Sea (Nicaragua v. Honduras) | 1999 | 2007 |
| Nicaragua | Territorial and Maritime Dispute (Nicaragua v. Colombia) | 2001 | 2012 |
 Georgia | Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Georgia v. Russian Federation) | 2008 | 2011 |
| Italy | Jurisdictional Immunities of the State (Germany v. Italy: Greece intervening) | 2008 | 2012 |
| Italy | Questions of jurisdictional immunities of the State and measures of constraint against State-owned property (Germany v. Italy) | 2022 | |
| W. J. Ganshof v.d. Meersch | Belgium | Belgium | Barcelona Traction, Light and Power Company, Limited (Belgium v. Spain) | 1958 | 1961 |
| Belgium | Barcelona Traction, Light and Power Company, Limited (Belgium v. Spain) (New Application: 1962) | 1962 | 1970 |
| Carlos Garcia Bauer | Guatemala | Guatemala | Nottebohm (Liechtenstein v. Guatemala) | 1951 | 1955 |
| Kirill Gevorgian |  Russian Federation |  Syrian Arab Republic | Application of the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (Canada and Netherlands v. Syrian Arab Republic) | 2023 | |
 Belarus | Alleged Smuggling of Migrants (Lithuania v. Belarus) | 2025 | |
| David Goitein | Israel | Israel | Aerial Incident of 27 July 1955 (Israel v. Bulgaria) | 1957 | 1959 |
| Julio Diego Gonzáles Campos | Spain | Honduras | Territorial and Maritime Dispute between Nicaragua and Honduras in the Caribbean Sea (Nicaragua v. Honduras) | 1999 | 2007 |
| Paul Guggenheim | Switzerland | Liechtenstein | Nottebohm (Liechtenstein v. Guatemala) | 1951 | 1955 |
| Gilbert Guillaume | France | France | Certain Criminal Proceedings in France (Republic of the Congo v. France) | 2002 | 2010 |
| Nicaragua | Dispute regarding Navigational and Related Rights (Costa Rica v. Nicaragua) | 2005 | 2009 |
| France | Certain Questions of Mutual Assistance in Criminal Matters (Djibouti v. France) | 2006 | 2008 |
| Peru | Maritime Dispute (Peru v. Chile) | 2008 | 2014 |
| Nicaragua | Certain Activities Carried Out by Nicaragua in the Border Area (Costa Rica v. Nicaragua) | 2010 | 2018 |
 Cambodia | Request for Interpretation of the Judgment of 15 June 1962 in the Case concerning the Temple of Preah Vihear (Cambodia v. Thailand) (Cambodia v. Thailand) | 2011 | 2013 |
| Nicaragua | Construction of a Road in Costa Rica along the San Juan River (Nicaragua v. Costa Rica) | 2011 | 2015 |
 Kenya | Maritime Delimitation in the Indian Ocean (Somalia v. Kenya) | 2014 | 2021 |
 Singapore | Application for revision of the Judgment of 23 May 2008 in the case concerning Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore) (Malaysia v. Singapore) | 2017 | 2018 |
| Singapore | Request for Interpretation of the Judgment of 23 May 2008 in the case concerning Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore) (Malaysia v. Singapore) | 2017 | 2018 |
 Palestine | Relocation of the United States Embassy to Jerusalem (Palestine v. United States of America) | 2018 | |
| Sead Hodžić |  Bosnia and Herzegovina | Bosnia and Herzegovina | Application for Revision of the Judgment of 11 July 1996 in the Case concerning Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Yugoslavia), Preliminary Objections (Yugoslavia v. Bosnia and Herzegovina) | 2001 | 2003 |
| Sir Robert Yewdall Jennings | United Kingdom of Great Britain and Northern Ireland | United Kingdom of Great Britain and Northern Ireland | Questions of Interpretation and Application of the 1971 Montreal Convention arising from the Aerial Incident at Lockerbie (Libyan Arab Jamahiriya v. United Kingdom) | 1992 | 2003 |
| Tassaduq Hussain Jillani |  Pakistan | Pakistan | Jadhav (India v. Pakistan) | 2017 | 2019 |
| Eduardo Jiménez de Aréchaga | Uruguay | Libyan Arab Jamahiriya | Continental Shelf (Tunisia/Libyan Arab Jamahiriya) | 1978 | 1982 |
| Libyan Arab Jamahiriya | Continental Shelf (Libyan Arab Jamahiriya/Malta) | 1982 | 1985 |
| Libyan Arab Jamahiriya | Application for Revision and Interpretation of the Judgment of 24 February 1982 in the Case concerning the Continental Shelf (Tunisia/Libyan Arab Jamahiriya) (Tunisia v. Libyan Arab Jamahiriya) | 1984 | 1985 |
| James L. Kateka |  United Republic of Tanzania |  Uganda | Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Uganda) | 1999 | 2022 |
 Equatorial Guinea | Immunities and Criminal Proceedings (Equatorial Guinea v. France) | 2016 | 2020 |
| Sir Kenneth Keith | New Zealand |  Azerbaijan | Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Armenia v. Azerbaijan) | 2021 | |
| Azerbaijan | Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Azerbaijan v. Armenia) | 2021 | |
| Philippe Kirsch | Belgium | Belgium | Questions relating to the Obligation to Prosecute or Extradite (Belgium v. Senegal) | 2009 | 2012 |
| Abdul G. Koroma |  Sierra Leone | Azerbaijan | Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Armenia v. Azerbaijan) | 2021 | |
| Azerbaijan | Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Azerbaijan v. Armenia) | 2021 | |
| Claus Kreß | Germany |  Myanmar | Application of the Convention on the Prevention and Punishment of the Crime of Genocide (The Gambia v. Myanmar: 11 States intervening) | 2019 | |
| Milenko Kreća |  Serbia and Montenegro | Serbia and Montenegro | Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Serbia and Montenegro) | 1993 | 2007 |
| Yugoslavia | Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Serbia and Montenegro) | 1993 | 2007 |
| Serbia and Montenegro | Legality of Use of Force (Serbia and Montenegro v. Belgium) | 1999 | 2004 |
| Serbia and Montenegro | Legality of Use of Force (Serbia and Montenegro v. Canada) | 1999 | 2004 |
| Serbia and Montenegro | Legality of Use of Force (Serbia and Montenegro v. France) | 1999 | 2004 |
| Serbia and Montenegro | Legality of Use of Force (Serbia and Montenegro v. Germany) | 1999 | 2004 |
| Serbia and Montenegro | Legality of Use of Force (Serbia and Montenegro v. Italy) | 1999 | 2004 |
| Serbia and Montenegro | Legality of Use of Force (Serbia and Montenegro v. Netherlands) | 1999 | 2004 |
| Serbia and Montenegro | Legality of Use of Force (Serbia and Montenegro v. Portugal) | 1999 | 2004 |
| Yugoslavia | Legality of Use of Force (Yugoslavia v. Spain) | 1999 | 1999 |
| Serbia and Montenegro | Legality of Use of Force (Serbia and Montenegro v. United Kingdom) | 1999 | 2004 |
| Yugoslavia | Legality of Use of Force (Yugoslavia v. United States of America) | 1999 | 1999 |
 Serbia | Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Croatia v. Serbia) | 1999 | 2015 |
| Marc Lalonde | Canada | Canada | Fisheries Jurisdiction (Spain v. Canada) | 1995 | 1998 |
| Canada | Legality of Use of Force (Serbia and Montenegro v. Canada) | 1999 | 2004 |
| Sir Elihu Lauterpacht | United Kingdom of Great Britain and Northern Ireland | Bosnia and Herzegovina | Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Serbia and Montenegro) | 1993 | 2007 |
| François Luchaire | France | Burkina Faso | Frontier Dispute (Burkina Faso/Republic of Mali) | 1983 | 1987 |
| Ahmed Mahiou | Algeria | Bosnia and Herzegovina | Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Serbia and Montenegro) | 1993 | 2007 |
| Republic of Guinea | Ahmadou Sadio Diallo (Republic of Guinea v. Democratic Republic of the Congo) | 1998 | 2012 |
| Bosnia and Herzegovina | Application for Revision of the Judgment of 11 July 1996 in the Case concerning Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Bosnia and Herzegovina v. Yugoslavia), Preliminary Objections (Yugoslavia v. Bosnia and Herzegovina) | 2001 | 2003 |
| Niger | Frontier Dispute (Burkina Faso/Niger) | 2010 | 2013 |
| Loretta Malintoppi | Italy | Italy | Questions of jurisdictional immunities of the State and measures of constraint against State-owned property (Germany v. Italy) | 2022 | |
| Auguste Mampuya Kanunk’a Tshiabo | Democratic Republic of the Congo | Democratic Republic of the Congo | Ahmadou Sadio Diallo (Republic of Guinea v. Democratic Republic of the Congo) | 1998 | 2012 |
| Jean-Pierre Mavungu Mvubidi-Ngoma | Democratic Republic of the Congo | Democratic Republic of the Congo | Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Rwanda) | 1999 | 2001 |
| Democratic Republic of the Congo | Armed Activities on the Territory of the Congo (New Application: 2002) (Democratic Republic of the Congo v. Rwanda) | 2002 | 2006 |
| Sir Louis Mbanefo | Nigeria | Ethiopia | South West Africa (Ethiopia v. South Africa) | 1960 | 1966 |
| Liberia | South West Africa (Liberia v. South Africa) | 1960 | 1966 |
| Kéba Mbaye |  Senegal | Senegal | Arbitral Award of 31 July 1989 (Guinea-Bissau v. Senegal) | 1989 | 1991 |
| Cameroon | Land and Maritime Boundary between Cameroon and Nigeria (Cameroon v. Nigeria: Equatorial Guinea intervening) | 1994 | 2002 |
| Cameroon | Request for Interpretation of the Judgment of 11 June 1998 in the Case concerning the Land and Maritime Boundary between Cameroon and Nigeria (Cameroon v. Nigeria), Preliminary Objections (Nigeria v. Cameroon) | 1998 | 1999 |
| Donald M. McRae | Canada | Chile | Obligation to Negotiate Access to the Pacific Ocean (Bolivia v. Chile) | 2013 | 2018 |
| Colombia | Question of the Delimitation of the Continental Shelf between Nicaragua and Colombia beyond 200 nautical miles from the Nicaraguan Coast (Nicaragua v. Colombia) | 2013 | |
| Colombia | Alleged Violations of Sovereign Rights and Maritime Spaces in the Caribbean Sea (Nicaragua v. Colombia) | 2013 | 2022 |
 Belize | Guatemala's Territorial, Insular and Maritime Claim (Guatemala/Belize) | 2008 | |
| Canada | Aerial Incident of 8 January 2020 (Canada, Sweden, Ukraine and United Kingdom v. Islamic Republic of Iran) | 2023 | |
 Sweden | Aerial Incident of 8 January 2020 (Canada, Sweden, Ukraine and United Kingdom v. Islamic Republic of Iran) | 2023 | |
| Ukraine | Aerial Incident of 8 January 2020 (Canada, Sweden, Ukraine and United Kingdom v. Islamic Republic of Iran) | 2023 | |
| United Kingdom of Great Britain and Northern Ireland | Aerial Incident of 8 January 2020 (Canada, Sweden, Ukraine and United Kingdom v. Islamic Republic of Iran) | 2023 | |
 Ecuador | Embassy of Mexico in Quito (Mexico v. Ecuador) | 2024 | |
| Ecuador | Glas Espinel (Ecuador v. Mexico) | 2024 | |
| Thomas A. Mensah |  Ghana | Nicaragua | Territorial and Maritime Dispute (Nicaragua v. Colombia) | 2001 | 2012 |
| Nicolas Michel | Switzerland |  Lithuania | Alleged Smuggling of Migrants (Lithuania v. Belarus) | 2025 | |
| Djamchid Momtaz | Islamic Republic of Iran | Islamic Republic of Iran | Certain Iranian Assets (Islamic Republic of Iran v. United States of America) | 2016 | |
| Islamic Republic of Iran | Alleged Violations of the 1955 Treaty of Amity, Economic Relations, and Consular Rights (Islamic Republic of Iran v. United States of America) | 2018 | |
| Gaetano Morelli | Italy | Italy | Monetary Gold Removed from Rome in 1943 (Italy v. France, United Kingdom of Great Britain and Northern Ireland and United States of America) | 1953 | 1954 |
| Dikgang Ernest Moseneke | South Africa | South Africa | Application of the Convention on the Prevention and Punishment of the Crime of Genocide in the Gaza Strip (South Africa v. Israel) | 2023 | |
| Hermann Mosler | Federal Republic of Germany | Germany | North Sea Continental Shelf (Federal Republic of Germany/Denmark) | 1967 | 1969 |
| Germany | North Sea Continental Shelf (Federal Republic of Germany/Netherlands) | 1967 | 1969 |
| Singh Nagendra | India | India | Appeal Relating to the Jurisdiction of the ICAO Council (India v. Pakistan) | 1971 | 1972 |
| Johannes Offerhaus | Netherlands | Netherlands | Application of the Convention of 1902 Governing the Guardianship of Infants (Netherlands v. Sweden) | 1957 | 1958 |
| Taoheed Olufemi Elias | Nigeria | Equatorial Guinea | Request relating to the Return of Property Confiscated in Criminal Proceedings (Equatorial Guinea v. France) | 2022 | |
| Francisco Orrego Vicuña | Chile | Chile | Maritime Dispute (Peru v. Chile) | 2008 | 2014 |
| Bernard H. Oxman | United States of America | Ukraine | Maritime Delimitation in the Black Sea (Romania v. Ukraine) | 2004 | 2009 |
| Sir Geoffrey Palmer | New Zealand | New Zealand | Request for an Examination of the Situation in Accordance with Paragraph 63 of the Courts Judgment of 20 December 1974 in the Nuclear Tests (New Zealand v. France) Case | 1995 | 1995 |
| Felipe H. Paolillo | Uruguay |  El Salvador | Application for Revision of the Judgment of 11 September 1992 in the Case concerning the Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening) (El Salvador v. Honduras) | 1993 | 2003 |
| Navanethem Pillay | South Africa |  Gambia | Application of the Convention on the Prevention and Punishment of the Crime of Genocide (The Gambia v. Myanmar: 11 States intervening) | 2019 | |
| Mónica Pinto | Argentina |  Gabon | Land and Maritime Delimitation and Sovereignty over Islands (Gabon/Equatorial Guinea) | 2016 | |
| Syed Sharif Uddin Pirzada | Pakistan | Pakistan | Aerial Incident of 10 August 1999 (Pakistan v. India) | 1999 | 2000 |
| Fausto Pocar | Italy | Belgium | Jurisdiction and Enforcement of Judgments in Civil and Commercial Matters (Belgium v. Switzerland) | 2009 | 2011 |
| Ukraine | Application of the International Convention for the Suppression of the Financing of Terrorism and of the International Convention on the Elimination of All Forms of Racial Discrimination (Ukraine v. Russian Federation) | 2017 | |
| Pemmaraju Sreenivasa Rao | India | Singapore | Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore) | 2003 | 2008 |
| B.P. Jeevan Reddy | India | India | Aerial Incident of 10 August 1999 (Pakistan v. India) | 1999 | 2000 |
| François Rigaux | Belgium | Islamic Republic of Iran | Oil Platforms (Islamic Republic of Iran v. United States of America) | 1989 | 2003 |
| Willem Riphagen | Netherlands | Belgium | Barcelona Traction, Light and Power Company, Limited (Belgium v. Spain) (New Application: 1962) | 1962 | 1970 |
| Emmanuel Roucounas |  Greece | Greece | Application of the Interim Accord of 13 September 1995 (the former Yugoslav Republic of Macedonia v. Greece) | 2008 | 2011 |
| José María Ruda | Argentina | Qatar | Maritime Delimitation and Territorial Questions between Qatar and Bahrain (Qatar v. Bahrain) | 1991 | 2001 |
| Jean Salmon | Belgium |  Burundi | Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Burundi) | 1999 | 2001 |
| Karim Sandjabi | Islamic Republic of Iran | Islamic Republic of Iran | Anglo-Iranian Oil Co. (United Kingdom v. Iran) | 1951 | 1952 |
| Jamal Seifi | Islamic Republic of Iran | Islamic Republic of Iran | Alleged Violations of State Immunities (Islamic Republic of Iran v. Canada) | 2023 | |
| Islamic Republic of Iran | Aerial Incident of 8 January 2020 (Canada, Sweden, Ukraine and United Kingdom v. Islamic Republic of Iran) | 2023 | |
| Bernardo Sepúlveda-Amor | Mexico | Mexico | Avena and Other Mexican Nationals (Mexico v. United States of America) | 2003 | 2004 |
| José Sette-Camara | Brazil | Libyan Arab Jamahiriya | Territorial Dispute (Libyan Arab Jamahiriya/Chad) | 1990 | 1994 |
| Mohamed Shahabuddeen | Guyana | Bahrain | Maritime Delimitation and Territorial Questions between Qatar and Bahrain (Qatar v. Bahrain) | 1991 | 2001 |
| Indonesia | Sovereignty over Pulau Ligitan and Pulau Sipadan (Indonesia/Malaysia) | 1998 | 2002 |
| Ron A. Shapira | Israel | Israel | Application of the Convention on the Prevention and Punishment of the Crime of Genocide in the Gaza Strip (South Africa v. Israel) | 2023 | |
| Bruno Simma | Germany | Costa Rica | Maritime Delimitation in the Caribbean Sea and the Pacific Ocean (Costa Rica v. Nicaragua) | 2014 | 2018 |
| Chile | Dispute over the Status and Use of the Waters of the Silala (Chile v. Bolivia) | 2016 | |
| Costa Rica | Land Boundary in the Northern Part of Isla Portillos (Costa Rica v. Nicaragua) | 2016 | 2018 |
 Sudan | Application of the Convention on the Prevention and Punishment of the Crime of Genocide in Sudan (Sudan v. United Arab Emirates) | 2025 | |
| Leonid Skotnikov | Russian Federation | Nicaragua | Question of the Delimitation of the Continental Shelf between Nicaragua and Colombia beyond 200 nautical miles from the Nicaraguan Coast (Nicaragua v. Colombia) | 2013 | |
| Russian Federation | Application of the International Convention for the Suppression of the Financing of Terrorism and of the International Convention on the Elimination of All Forms of Racial Discrimination (Ukraine v. Russian Federation) | 2017 | |
| Krysztof Skubiszewski |  Poland | Portugal | East Timor (Portugal v. Australia) | 1991 | 1995 |
 Slovakia | Gabčíkovo-Nagymaros Project (Hungary/Slovakia) | 1992 | 1997 |
| Max Sorensen | Denmark | Denmark | North Sea Continental Shelf (Federal Republic of Germany/Denmark) | 1967 | 1969 |
| Netherlands | North Sea Continental Shelf (Federal Republic of Germany/Netherlands) | 1967 | 1969 |
| Jean Spiropoulos | Greece | Greece | Ambatielos (Greece v. United Kingdom) | 1951 | 1953 |
| Michel Stassinopoulos | Greece | Greece | Aegean Sea Continental Shelf (Greece v. Turkey) | 1976 | 1978 |
| Sir Ninian Stephen | Australia | Australia | East Timor (Portugal v. Australia) | 1991 | 1995 |
| Fredrik Julius Christian Sterzel | Sweden | Sweden | Application of the Convention of 1902 Governing the Guardianship of Infants (Netherlands v. Sweden) | 1957 | 1958 |
| Serge Sur | France | Senegal | Questions relating to the Obligation to Prosecute or Extradite (Belgium v. Senegal) | 2009 | 2012 |
| Hubert Thierry | France |  Guinea-Bissau | Arbitral Award of 31 July 1989 (Guinea-Bissau v. Senegal) | 1989 | 1991 |
| Santiago Torres Bernárdez | Spain | Honduras | Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening) | 1986 | 1992 |
| Nicaragua | Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening) | 1986 | 1992 |
| Qatar | Maritime Delimitation and Territorial Questions between Qatar and Bahrain (Qatar v. Bahrain) | 1991 | 2001 |
| Spain | Fisheries Jurisdiction (Spain v. Canada) | 1995 | 1998 |
| Spain | Legality of Use of Force (Yugoslavia v. Spain) | 1999 | 1999 |
| Honduras | Territorial and Maritime Dispute between Nicaragua and Honduras in the Caribbean Sea (Nicaragua v. Honduras) | 1999 | 2007 |
| Honduras | Application for Revision of the Judgment of 11 September 1992 in the Case concerning the Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening) (El Salvador v. Honduras) | 1993 | 2003 |
| Nicaragua | Application for Revision of the Judgment of 11 September 1992 in the Case concerning the Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening) (El Salvador v. Honduras) | 1993 | 2003 |
| Uruguay | Pulp Mills on the River Uruguay (Argentina v. Uruguay) | 2006 | 2010 |
| Bakhtiyar Tuzmukhamedov | Russian Federation | Russian Federation | Application of the International Convention for the Suppression of the Financing of Terrorism and of the International Convention on the Elimination of All Forms of Racial Discrimination (Ukraine v. Russian Federation) | 2017 | |
| Russian Federation | Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation) | 2022 | |
| Francisco Urrutia Holguin | Colombia | Nicaragua | Arbitral Award Made by the King of Spain on 23 December 1906 (Honduras v. Nicaragua) | 1958 | 1960 |
| Nicolas Valticos | Greece | Malta | Continental Shelf (Libyan Arab Jamahiriya/Malta) | 1982 | 1985 |
| El Salvador | Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening) | 1986 | 1992 |
| Bahrain | Maritime Delimitation and Territorial Questions between Qatar and Bahrain (Qatar v. Bahrain) | 1991 | 2001 |
| Joe Verhoeven | Belgium | Democratic Republic of the Congo | Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Burundi) | 1999 | 2001 |
| Democratic Republic of the Congo | Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Uganda) | 1999 | 2022 |
| Democratic Republic of the Congo | Armed Activities on the Territory of the Congo (Democratic Republic of the Congo v. Rwanda) | 1999 | 2001 |
| Raúl Emilio Vinuesa | Argentina | Argentina | Pulp Mills on the River Uruguay (Argentina v. Uruguay) | 2006 | 2010 |
| Ecuador | Aerial Herbicide Spraying (Ecuador v. Colombia) | 2008 | 2013 |
| Michel Virally | France | Nicaragua | Application for Revision of the Judgment of 11 September 1992 in the Case concerning the Land, Island and Maritime Frontier Dispute (El Salvador/Honduras: Nicaragua intervening) (El Salvador v. Honduras) | 1993 | 2003 |
| Budislav Vukas |  Croatia | Croatia | Application of the Convention on the Prevention and Punishment of the Crime of Genocide (Croatia v. Serbia) | 1999 | 2015 |
 North Macedonia | Application of the Interim Accord of 13 September 1995 (the former Yugoslav Republic of Macedonia v. Greece) | 2008 | 2011 |
| Christopher Gregory Weeramantry |  Sri Lanka | Malaysia | Sovereignty over Pulau Ligitan and Pulau Sipadan (Indonesia/Malaysia) | 1998 | 2002 |
| Rüdiger Wolfrum | Germany | Guyana | Arbitral Award of 3 October 1899 (Guyana v. Venezuela) | 2018 | |
| Equatorial Guinea | Land and Maritime Delimitation and Sovereignty over Islands (Gabon/Equatorial Guinea) | 2016 | |
| J.T. van Wyk | South Africa | South Africa | South West Africa (Ethiopia v. South Africa) | 1960 | 1966 |
| South Africa | South West Africa (Liberia v. South Africa) | 1960 | 1966 |
| Christine van den Wyngaert | Belgium | Belgium | Arrest Warrant of 11 April 2000 (Democratic Republic of the Congo v. Belgium) | 2000 | 2002 |
| Mohamed Yaqub Ali Khan | Pakistan | Ethiopia | South West Africa (Ethiopia v. South Africa) | 1960 | 1966 |
| Liberia | South West Africa (Liberia v. South Africa) | 1960 | 1966 |
| Pakistan | Trial of Pakistani Prisoners of War (Pakistan v. India) | 1973 | 1973 |
| Sir Muhammad Zafrulla Khan | Pakistan | Ethiopia | South West Africa (Ethiopia v. South Africa) | 1960 | 1966 |
| Liberia | South West Africa (Liberia v. South Africa) | 1960 | 1966 |
| Pakistan | Trial of Pakistani Prisoners of War (Pakistan v. India) | 1973 | 1973 |
| Jaroslav Žourek | Czechoslovakia |  Bulgaria | Aerial Incident of 27 July 1955 (Israel v. Bulgaria) | 1957 | 1959 |
| Bulgaria | Aerial Incident of 27 July 1955 (United States of America v. Bulgaria) | 1957 | 1960 |
Mexico
Poland
Egypt
Soviet Union
Canada
China
Brazil
Soviet Union
Greece
Panama
Japan
Lebanon
Philippines
Benin/Dahomey
Spain
Syria
Egypt
Brazil
China
Venezuela
Madagascar
Hungary
Somalia
Jamaica
