https://www.socialeurope.eu/overcrowded-camps-at-europes-borders
https://read.oecd-ilibrary.org/social-issues-migration-health/international-migration-outlook-2018_migr_outlook-2018-en#page1
https://rsf.org/en/ranking_table
https://s3.eu-central-1.amazonaws.com/euobs-media/59f9f4116a089cec71bf81b76413503a.pdf