From what I have seen in travels
Highest Level of english (nor particular order): Netherlands, Denmark, Norway, Iceland, Sweden,
Really good level of english: Finland, Belgium, Germany, Austria, Switzerland
Good/OK level of english: Estonia, Poland, Czech, Hungary, Slovenia.
All the rest seem to be not so good speaking english...
Highest Level of english (nor particular order): Netherlands, Denmark, Norway, Iceland, Sweden,
Really good level of english: Finland, Belgium, Germany, Austria, Switzerland
Good/OK level of english: Estonia, Poland, Czech, Hungary, Slovenia.
All the rest seem to be not so good speaking english...