These three (recent) pages seem to agree that islam is second.
http://www.dailymail.co.uk/news/article-...urope.html
http://digitaljournal.com/article/316410
http://en.wikipedia.org/wiki/List_of_rel...opulations
http://www.dailymail.co.uk/news/article-...urope.html
http://digitaljournal.com/article/316410
http://en.wikipedia.org/wiki/List_of_rel...opulations
![[Image: cinjin_banner_border.jpg]](https://images.weserv.nl/?url=oggtheclever.com%2Fcinjin_banner_border.jpg)