Numbers, Facts and Trends Shaping Your World

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    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.

  • feature

    Video: Estimating Europe’s unauthorized immigrant population

    A new Pew Research Center analysis estimates that at least 3.9 million unauthorized immigrants – and possibly as many as 4.8 million – lived in Europe in 2017. Learn how we conducted the first comprehensive estimate of Europe’s unauthorized immigrant population in over a decade.

  • report

    Appendix B: Unauthorized immigrant population trends with waiting asylum seekers, by country

    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 C: Unauthorized immigrant population trends without waiting asylum seekers, by country

    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

    2. Political values and Democratic candidate support

    Large shares of Democratic voters prefer an active role for government and believe in the importance of its regulatory role. About eight-in-ten Democratic and Democratic-leaning voters say the government should do more to solve problems, while just 20% say it’s doing too many things better left to businesses and individuals. Similarly, 78% say the government […]

  • report

    Appendix D: References

    Ahlander, Johan and Mansoor Yosufzai. July 13, 2017. “Sweden intensifies crackdown on illegal immigrants.” Reuters. Albano, Alessandro, Veronica Corsini and Andrea Gereöffy. 2015. “Demographic statistics: A review of definitions and methods of collection in 44 European countries.” Annunziata, Marco. April 14, 2018. “Twenty years and nothing to show for it: Italy’s broken economic model.” Forbes. […]

  • report

    Religion in India: Tolerance and Segregation

    Indians see religious tolerance as a central part of who they are as a nation. Across the major religious groups, most people say it is very important to respect all religions to be “truly Indian.”

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