To serve the research needs of social scientists, teachers, students, policy makers and journalists, the ANES produces high quality data from its own surveys on voting, public opinion, and political participation. ANES data enable researchers to better understand the theoretical and empirical foundations of national election outcomes.
Participating countries and provinces include a common module of survey questions in their post-election studies. The resulting data are deposited along with voting, demographic, district and macro/electoral system variables. The studies are then merged into a single, free, public dataset for use in comparative study and cross-level analysis.