Phillip Connor, Jeffrey S. Passel and Jens Manuel Krogstad of Pew Research Center –
Europe and the United States are major destinations for the world’s immigrants. In both places, debates about immigration policy have focused on what to do with unauthorized immigrants. These debates can center on national policies, as well as policies for Europe as a whole.
The size of Europe’s unauthorized immigrant population in 2017 was less than half the number in the U.S.
