| Country | Judicial branch |
| Afghanistan | the constitution establishes a nine-member Stera Mahkama or Supreme Court (its nine justices are appointed for 10-year terms by the president with approval of the Wolesi Jirga) and subordinate High Courts and Appeals Courts; there is also a minister of justice; a separate Afghan Independent Human Rights Commission established by the Bonn Agreement is charged with investigating human rights abuses and war crimes |
| Akrotiri | The Court headed by a resident judge and senior judges from the UK as needed; note - the laws of the Sovereign Base Areas are kept as close as possible to the laws of the Republic of Cyprus |
| Albania | Constitutional Court consists of 9 members appointed by the president with the consent of the Assembly who serve 9-year terms (chairman is elected by the People's Assembly for a four-year term); the High Court members appointed by the president with the consent of the Assembly for a 9-year term; note - there are also courts of appeal and courts of first instance |
| Algeria | Supreme Court |
| American Samoa | High Court (chief justice and associate justices are appointed by the US Secretary of the Interior) |
| Andorra | Tribunal of Judges or Tribunal de Batlles; Tribunal of the Courts or Tribunal de Corts; Supreme Court of Justice of Andorra or Tribunal Superior de Justicia d'Andorra; Supreme Council of Justice or Consell Superior de la Justicia (coprinces appoint the members); Constitutional Tribunal or Tribunal Constitucional (coprinces appoint the members) note: all judges elected for a 6-year term renewable term |
| Angola | Constitutional Court or Tribunal Constitucional; Supreme Court or Tribunal Supremo; Court of Auditions or Tribunal de Contas; Supreme Military Court or Supremo Tribunal Militar; judges for all courts appointed by the president |
| Anguilla | High Court (judge provided by Eastern Caribbean Supreme Court) |
| Antarctica | void |
| Antigua and Barbuda | Eastern Caribbean Supreme Court consisting of a High Court of Justice and a Court of Appeal (based in Saint Lucia; two judges of the Supreme Court are residents of the islands and preside over the Court of Summary Jurisdiction); Magistrates' Courts; member of the Caribbean Court of Justice |
| Arctic Ocean | void |
| Argentina | Supreme Court or Corte Suprema (the Supreme Court judges are appointed by the president with approval of the Senate) note: the Supreme Court has seven judges; the Argentine Congress in 2006 passed a bill to gradually reduce the number of Supreme Court judges to five |