Working on a research project entitled 'Public opinion, mobilizations and policies concerning asylum seekers and refugees in anti-immigrant times' (Europe and Belgium), funded by the Belgian Federal Science Policy Office (Belspo) as part of its BRAIN-be research, a team of researchers from ULB, ULiège and KU Leuven have studied people's attitudes, discourses and mobilisation towards refugees in six European countries (Belgium, Germany, Sweden, Italy, Greece and Hungary) from 2017 to 2019.

De survey met als titel "Transatlantic Trends": was uitgevoerd door het German Marshall Fund van de Verenigde Staten. Het is een vergelijkende survey uitgevoerd in 5 EU landen en de Verenigde staten over opinies mbt immigratie en integratie.