10.34934/DVN/OTAEBWPilet, Jean-BenoitJean-BenoitPilet0000-0001-5612-0835Université libre de Bruxelles (ULB)Renwick, AlanAlanRenwickUniversity College LondonSocial Sciences and Digital Humanities Archive – SODHA2024Social Scienceselectoral systemselectoral lawsEuropeelectionsPolitics.ElectionsPolitics.GovernmentPoliticalSystemsAndOrganisationsPilet, Jean-BenoitUniversité libre de Bruxelles (ULB)Pilet, Jean-BenoitUniversité libre de Bruxelles (ULB)2016-01-012024-11-272024-12-052011-01-01/2016-12-31172551665088application/vnd.openxmlformats-officedocument.wordprocessingml.documentapplication/vnd.ms-excel1.0Dataset of electoral systems for lower chamber of parliament in 31 European democracies (EU27, CH, NOR, UK, ISL) between 1945 and 2020The dataset present, for each year between 1945 and 2015, the core characteristics of the electoral system that is used for the elections of the national parliament (lower chamber) in 30 European countries (EU27, UK, CH, ISL).FNRS