Share of left and right populists under 30 in selected European countries 2017

The source adds the following information: "To create the political groups used for analysis in this report, survey respondents were categorized into seven groups based on their left-right ideological self-placement and whether they express populist views. The six political groups are Left Populists, Left Mainstream, Center Populists, Center Mainstream, Right Populists and Right Mainstream. The seventh is the Unaligned group, which includes respondents who did not answer the ideological self-placement question."

Further information about the methodology used can be found on pages 67-73 of the report.

** Total number of all ages surveyed, no data on what proportion of this is 18 to 29 year olds