
https://www.ons.gov.uk/peoplepopulationandcommunity/populationandmigration/populationestimates/articles/overviewoftheukpopulation/mar2017

https://www.telesurenglish.net/news/Berlin-Can-No-Longer-Accommodate-More-Refugees-20230919-0007.html

https://www.socialeurope.eu/refugees-how-could-we-possibly-get-here