Study title

European citizenship.
Topics: familiarity with the term ´citizen of the European Union´; self-rated knowledge about the rights of citizens of the European Union; knowledge test on EU citizenship: people have to ask to become a citizen of the EU, every citizen of the EU is at the same time a citizen of his / her own country, one can choose not to be a citizen of the EU; knowledge test with regard to selected rights of citizens in the EU; familiarity with the Charter of Fundamental Rights of the European Union. Demography: sex; age; age at end of education; occupation; professional position; type of community. Additionally coded was: respondent ID; interviewer ID; language of the interview; type of phone line; date of interview; time of the beginning of the interview; duration of the interview; country; region; weighting factor.