Data presented in this study are the results of a public opinion survey conducted in ten countries: Finland, France, Germany, Greece, Hungary, Italy, the Netherlands, Poland, Spain, and Sweden. The fieldwork has been conducted after the 2019 European Parliament elections between June and August 2019 (see Table 1 for each country fielding dates) on a sample of about 1,500 respondents aged between 18 and 70 in each country, for a total of 15149 respondents. The sample has been built through a quota sampling (based on Eurostat data) around gender, age (three categories: 18-34, 35-54, 65+), educational level (based on ISCED 2011 categories recoded into three macro-categories: up to lower secondary degree, upper secondary degree, university degree) and NUTS1 macro-area of residence. The survey was conducted through a CAWI method by IPSOS, who interviewed about 1500 respondents voluntarily registered to the company online panel.