Member and Associate States, Observers

Member States

  Dates of Accession
Austria 1 June 1959
Belgium 1953
Bulgaria 11 March 1999
Czech Republic 1 July 1993
Denmark 1953
Finland 1 January 1991
France 1953
Germany 1953
Greece 1953
Hungary 1 July 1992
Israel 6 January 2014
Italy 1953
Netherlands 1953
Norway 1953
Poland 1 July 1991
Portugal 1 January 1986
Romania 17 July 2016
Slovakia 1 July 1993
Spain 1 January 1961 to 31 December 1968
and from 1 January 1983
Sweden 1953
Switzerland 1953
United-Kingdom 1953

 

Associate Member State in the pre-stage to Membership

Cyprus 1 April 2016
Serbia 15 March 2012

 

Associate Member States

India 16 January 2017
Pakistan 31 July 2015
Turkey 6 May 2015
Ukraine 5 October 2016

 

Observers

European Union 1 July 1985
JINR 18 September 2014
UNESCO 1 July 1955
Japan 1 July 1995
Russian Federation 1 July 1991
U.S.A. 1 July 1998

You are here