These four maps show estimated Muslim populations in Europe in 2016, and projections for 2050 in zero migration, medium migration and high migration scenarios:

These four maps show estimated Muslim populations in Europe in 2016, and projections for 2050 in zero migration, medium migration and high migration scenarios: https://t.co/jnS4aMmgeq pic.twitter.com/4cVMEKuzS0

— Pew Research Religion (@PewReligion) December 20, 2018