
https://www.economiesuisse.ch/de/artikel/kuendigungsinitiative-ii-eine-wohlstandsbremse-par-excellence

https://www.gov.uk/guidance/status-of-eu-nationals-in-the-uk-what-you-need-to-know

https://ukandeu.ac.uk/what-have-we-learned-about-migration-from-the-census/?mc_cid=50b7d10115&mc_eid=815b1928ec