European Free Trade Association participates in the EU's double market.
==== United Kingdom ====The United Kingdom was a co-founder of EFTA in 1960, but ceased to be a member upon joining the European Economic Community
 The EEA comprises three member states of the European Free Trade Association (EFTA) and 27 member states of the European Union (EU), including Croatia which the agreement is provisionally applied to, pending its ratification by all contracting parties

