List of Member States

1. Albania
2. Algeria
3. Armenia [01.07.2011]
4. Austria
5. Belgium
6. Bosnia and Herzegovina
7. Bulgaria
8. Croatia
9. Czech Republic
10. Denmark
11. Estonia
12. Finland
13. France
14. Germany
15. Greece
16. Hungary
17. Iran
18. Iraq *)
19. Ireland
20. Italy
21. Latvia
22. Lebanon *)
23. Liechtenstein
24. Lithuania
25. Luxembourg
26. Former Yugoslav Republic of Macedonia
27. Monaco
28. Montenegro
29. Morocco
30. Netherlands
31. Norway
32. Poland
33. Portugal
34. Romania
35. Russia
36. Serbia
37. Slovakia
38. Slovenia
39. Spain
40. Sweden
41. Switzerland
42. Syria
43. Tunisia
44. Turkey
45. Ukraine
46. United Kingdom 

Associate Member States

   47.  Jordan

Regional economic integration organisations

European Union [01.07.2011]

*)
Membership suspended until international rail traffic is restored (decision of the 4th General Assembly, Athens, 8-11.9.1997).