Populism is a concept that is currently in vogue among political commentators and, more often than not, used pejoratively. The phenomenon of populism is typically seen as something adverse and, in the European context routinely related to xenophobic politics. What populism exactly is and who its main representatives are, however, often remains unclear. This text has two main aims: to identify populist parties in 21st century Europe and to explain their electoral performance. It argues that populist parties should not be dismissed as dangerous pariahs out of hand but rather that their rise...