There are currently 15 member states, which joined from 1957 onwards. Another 10 states, Poland, Hungary, Czech Republic, Slovakia, Slovenia, Latvia, Estonia, Lithuania, Cyprus and Malta are expected to join in the 1st May 2004.
Current Member States are Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden and the United Kingdom.