Organisation for Economic Cooperation (OECD) Countries 2025

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Country
Year of Accession
Czech Republic12-21-1995
Slovakia12-14-2000
South Korea12-12-1996
Estonia12-09-2010
Luxembourg12-07-1961
Poland11-22-1996
Netherlands11-13-1961
Austria09-29-1961
Sweden09-28-1961
Switzerland09-28-1961
Germany09-27-1961
Greece09-27-1961
Belgium09-13-1961
Israel09-07-2010
Ireland08-17-1961
France08-07-1961
Portugal08-04-1961
Spain08-03-1961
Turkey08-02-1961
Slovenia07-21-2010
Lithuania07-05-2018
Norway07-04-1961
Latvia07-01-2016
Australia06-07-1971
Iceland06-05-1961
Denmark05-30-1961
New Zealand05-29-1973
Costa Rica05-25-2021
Mexico05-18-1994
Chile05-07-2010
Hungary05-07-1996
United Kingdom05-02-1961
Colombia04-28-2020
Japan04-28-1964
United States04-12-1961
Canada04-10-1961
Italy03-29-1962
Finland01-28-1969