Member countries and dates of accession

See also the subset of NEA Data Bank member countries

Australian flag Australia (1973) Luxembourg flag Luxembourg (1958)
Austrian flag Austria (1958) Mexican flag Mexico (1994)
Belgian flag Belgium (1958) Dutch flag Netherlands (1958)
Canadian flag Canada (1975) Norwegian flag Norway (1958)
Czech flag Czech Republic (1996) Polish flag Poland (2010)
Danish flag Denmark (1958) Portugese flag Portugal (1958)
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)
Korean flag Korea (1993)    

Last reviewed 7 May 2015