Member countries and dates of accession

See also the subset of NEA Data Bank member countries

Australian flag Australia (1973) Mexican flag Mexico (1994)
Austrian flag Austria (1958) Dutch flag Netherlands (1958)
Belgian flag Belgium (1958) Norwegian flag Norway (1958)
Canadian flag Canada (1975) Polish flag Poland (2010)
Czech flag Czech Republic (1996) Portugese flag Portugal (1958)
Danish flag Denmark (1958) Korean flag Republic of Korea (1993)
Finnish flag Finland (1976) Russian flag Russian Federation (2013)
French flag France (1958) Slovak Republic flag Slovak Republic (2002)
German flag Germany (1958) Slovenian flag Slovenia (2011)
Greek flag Greece (1958) Spanish flag Spain (1959)
Hungarian flag Hungary (1996) Swedish flag Sweden (1958)
Iceland flag Iceland (1958) Swiss flag Switzerland (1958)
Irish flag Ireland (1958) Turkish flag Turkey (1958)
Italian flag Italy (1958) UK flag United Kingdom (1958)
Japanese flag Japan (1972) USA flag United States (1976)
Luxembourg flag Luxembourg (1958)

Last reviewed 20 January 2014