Southern Voting ProjectThe Southern Voting Project is a comprehensive collection of data pertaining to voting, politics and demography in the twentieth-century U.S. South.
CLEA Election Data ArchiveRepository of detailed results of approximately 1600 elections from 130+ countries at a constituency level for lower house national legislative elections.
IDEA Voter Turnout DatabaseThe most comprehensive global collection of voter turnout statistics from presidential and parliamentary elections since 1945