Numbers, Facts and Trends Shaping Your World

Search results for: “immigration”


  • press release

    Summary of findings: Europe’s Unauthorized Immigrant Population Peaks in 2016, Then Levels Off

    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 […]

  • report

    Appendix: Classifying European political parties

    Classifying parties as populist Although experts generally agree that populist political leaders or parties display high levels of anti-elitism, definitions of populism vary. We use three measures to classify populist parties: anti-elite ratings from the 2017 Chapel Hill Expert Survey (CHES), Inglehart and Norris’s populism party scale and The PopuList. We define a party as […]

  • fact sheet

    Immigrants non autorisés en France

    Le nombre d’immigrants non autorisés vivant en France en 2017 est estimé entre 300 000 et 400 000, une légère augmentation par rapport aux chiffres de 2014 qui se situaient entre 200 000 et 300 000, selon de nouvelles estimations réalisées par Pew Research Center sur la base des dernières données disponibles.

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