What do citizens in the Netherlands, Denmark and Hungary think about law and justice? In three country reports of the CITIZENS-LAW project we discuss the ‘state-of-the-art’ of public opinion research in these three countries (2000-2020). In Working Paper 4 Erin Jackson analyses the literature in the Netherlands, in Working Paper 5 Monika Lindbekk analyses the literature in Denmark en in Working Paper 6 Balázs Fekete analyses the research in Hungary.