|<ref>{{cita web|titolo=End of year 2016 Germany|url=http://www.wingia.com/web/files/surveys/24/file/24.pdf?1494437371|editore=[[WIN/GIA|WIN-Gallup International]]|accesso=10 maggio 2017|pagina=40|urlarchivio=https://web.archive.org/web/20170525144300/http://www.wingia.com/web/files/surveys/24/file/24.pdf?1494437371|dataarchivio=25 maggio 2017|urlmorto=sì}}</ref><ref>{{cita web|url=https://www.washingtonpost.com/new/worldviews/wp/2015/04/14/map-these-are-the-worlds-least-religious-countries/ |titolo=Map: These are the world's least religious countries |editore=The Washington Post|accesso=14 aprile 2015}}</ref><ref>{{de icon}} [http://www.remid.de/remid_info_zahlen.htm Religionen in Deutschland: Mitgliederzahlen] Religionswissenschaftlicher Medien- und Informationsdienst; 31 ottobre 2009. Consultato il 19 novembre 2009.</ref><ref name="REMID">[http://www.remid.de/remid_info_zahlen.htm REMID Data of "Religionswissenschaftlicher Medien- und Informationsdienst"] Consultato il 16 gennaio 2015.</ref>
