The data were collected by placing questions on an EU-wide online survey omnibus (the “EuroPulse”) that was regularly conducted by Dalia Research. In each wave, the sample consists of a census representative sample of approximately 10’000 working- age respondents (aged 18–69) from all EU member states, with sample sizes roughly proportional to their population size. While the overall sample is representative of the EU population, samples from France, Germany, Italy, Poland, Spain, and the UK are also nationally representative.