La population d’immigrants non autorisés en Europe se stabilise après avoir atteint un pic en 2016
Editorial note to readers (March 19, 2025): This project estimated the number of unauthorized immigrants living in 32 European countries during the mid- to late-2010s. We used what were then the best available data sources from different governments and from the European Union. After our report was published in November 2019, researchers at the University […]