No, it isn't.
They are paying more money to the EU than they spend on domestic policing. And public safety suffers for it.
Switzerland is not in the EU and has higher employment rates and wages. It is proof that European countries don't need the EU to benefit from world trade - and in fact, do better without it.
Merkel has opened the EU to millions of Muslim men, few of whom are either refugees or Syrians, to the detriment of Europe. The Rotherham rape scandal is an example of what happens when political correctness trumps safety of the public - and based on New Years 2016 taharush incidents across the EU, the new immigrants are of the same mind as the Pakistani rape gangs of Rotherham. The UK must leave the EU to be able to say no to the invasion.