This is the list of the current members of the OECD and the candidates to enter the OECD.

Members (34). It specidise in official name - native name - continent - date of joining:

- Commonwealth of Australia - Oceania - 7 June 1971
- Republic of Austria - Republik Österreich - Europe - 29 September 1961
- Kingdom of Belgium - Royaume de Belgique - Europe - 13 September 1961
- Canada - North America - 10 April 1961
- Republic of Chile - República de Chile - South America - 7 May 2010
- Czech Republic - Česká republika - Europe - 21 December 1995
- Kingdom of Denmark - Kongeriget Danmark - Europe and North America (Greenland) - 30 May 1961
- Republic of Estonia - Eesti Vabariik - Europe - 9 December 2010
- Republic of Finland - Suomen tasavalta - Europe - 28 January 1969
- French Republic - République française - Europe - 7 August 1961
- Federal Republic of Germany - Bundesrepublik Deutschland - Europe - 27 September 1961 (1955 as West Germany)
- Hellenic Republic - Ελληνική Δημοκρατία (Elliniki Dimokratia) - Europe - 27 September 1961
- Republic of Hungary - Magyar Köztársaság - Europe - 7 May 1996
- Iceland - Ísland - Europe - 5 June 1961
- Republic of Ireland - Poblacht na hÉireann - Europe - 17 August 1961
- State of Israel - מדינת ישראל (Medinat Yisrael) - Asia - 7 September 2010
- Italian Republic - Reppublica italiana - Europe - 29 March 1962
- State of Japan (although it's an Empire) - 日本国 (Nippon koku) - Asia - 28 April 1964
- Republic of Korea - 대한민국 (Daehanminguk) - Asia - 12 December 1996
- Grand Duchy of Luxembourg - Groussherzogtum Lëtzebuerg - Europe - 7 December 1961
- United States of Mexico - Estados Unidos Mexicanos - North America - 18 May 1994
- Kingdom of the Netherlands - Koninkrijk van Nederland - Europe - 13 November 1961
- New Zealand - Aotearoa - Oceania - 29 May 1973
- Kingdom of Norway - Kongeriket Norge - Europe - 4 July 1961
- Republic of Poland - Rzeczpospolita Polska - Europe - 22 November 1996
- Portugese Republic - República Portuguesa - Europe - 4 August 1961
- Slovak Republic - Slovenská republika - Europe - 14 December 2000
- Republic of Slovenia - Republika Slovenija (Use J as a Y) - Europe - 21 July 2010
- Kingdom of Spain - Reino de España - Europe - 3 August 1961
- Kingdom of Sweden - Konungariket Sverige - Europe - 28 September 1961
- Swiss Confederation - Schweizerische Eidgenossenschaft - Europe - 28 September 1961
- Republic of Turkey - Türkiye Cumhuriyeti - Euroasia - 2 August 1961
- United Kingdom of Great Britain and Northern Ireland - Europe - 2 May 1961
- United States of America - North America - 12 April 1961

Candidates:
- Republic of Cyprus - Κυπριακή Δημοκρατία (Kipriaki Dimokratia), Kıbrıs Cumhuriyeti - Applied to membership in 1995, vetoed by Turkey
- Republic of Latvia - Latvijas Republika (read the J as a Y)
- Republic of Lithuania - Lietuvos Respublika
- Republic of Malta - Repubblika ta' Malta (ريبوبليكا تملتة, רפובליקה ת'מלטה)
- Russian Federation - Российская Федерация (Rossiskaya Federatsiya)