Welcome! The „Comparative Political Data Set“ (CPDS) is a collection of political and institutional country-level data provided by Klaus Armingeon, Sarah Engler, Lucas Leemann, and David Weisstanner at the University of Zurich (Switzerland), the Leuphana Universität (Germany), and the University of Lucerne (Switzerland). It consists of annual data for 36 democratic countries for the period of 1960 to 2023 or since…