The EU members with more "federalists" than "anti-federalists" according to polls (<a rel="nofollow" class="external text" href="https://europa.eu/eurobarometer/surveys/detail/2040">Eurobarometer, Spring 2014, p.151</a>). <br>
In the dark green countries more people are agree with the idea that "the EU should develop further into a federation of Nation-States” than disagree.
<a href="//commons.wikimedia.org/wiki/User:Zhitelew" title="User:Zhitelew">Zhitelew</a>. Based on <a href="//commons.wikimedia.org/wiki/File:BlankEurope.png" title="File:BlankEurope.png">this blank map</a> by its respective authors.
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<span class="int-own-work" lang="en">Own work</span>