The present article has a double purpose. Firstly, the author examines the evolution of public support levels for both the Polish EU membership, and euro introduction in Poland; correlations between them are briefly presented. The data is presented chronologically for both datasets, and in the case of EU membership support included the results of own research on relationship between partisanship and EU accession support. The author analyses the literature on the subject, indicating the factors thought to influence public consent in both cases, discussing in particular the impact of personal choice of supporting a given political party (and political stance) on the individual’s view on EU membership and euro introduction. Furthermore, a more...