Swiss Statistics: Religion

Between 2011-2013 state acknowledged churches have lost members (roman catholic -4,1 percent, reformed -7 percent), muslim communities are slightly growing (+1,4 percent). Jewish communities are +/- stable, the percentage of non-dominationals grew by 10 percent.
http://www.bfs.admin.ch/bfs/portal/en/index/themen/01/05/blank/key/religionen.html