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''See also:'' [[European desecularization in the 21st century]]

''See also:'' [[European desecularization in the 21st century]]

[[File:Europe map.png|thumbnail|left|175px|Immigration to the European continent has a long history. In the latter part of the 20th century, immigration to Europe increased substantially - especially in Western Europe.

[[File:Europe map.png|thumbnail|right|175px|Immigration to the European continent has a long history. In the latter part of the 20th century, immigration to Europe increased substantially - especially in Western Europe.

At the same time, in 2014, the Pew Research Forum indicated that Europe will go from 11% of the world's population to 7% of the world's population by 2050.<ref name="PewProj">Kochhar, Rakesh (February 3, 2014).  [http://www.pewresearch.org/fact-tank/2014/02/03/10-projections-for-the-global-population-in-2050/ "10 projections for the global population in 2050"].  FactTank/Pew Research Center website.</ref>

At the same time, in 2014, the Pew Research Forum indicated that Europe will go from 11% of the world's population to 7% of the world's population by 2050.<ref name="PewProj">Kochhar, Rakesh (February 3, 2014).  [http://www.pewresearch.org/fact-tank/2014/02/03/10-projections-for-the-global-population-in-2050/ "10 projections for the global population in 2050"].  FactTank/Pew Research Center website.</ref>