Rappel :
Europeans greatly overestimate Muslim population, poll shows
International survey suggests gap between perception and reality is widest in France
▻https://www.theguardian.com/society/datablog/2016/dec/13/europeans-massively-overestimate-muslim-population-poll-shows
estimation en 2016 :
estimation pour 2020 (près de... 40% pour la France !!) :
▻https://interactive.guim.co.uk/charts/embed/dec/2016-12-13T12:46:55/embed.html