Kollman, Ken, Allen Hicken, Daniele Caramani, David Backer, and David Lublin. 2018. “Constituency-Level Elections Archive (CLEA). 2018 Version (20180507). Produced and Distributed by Ann Arbor, MI: Center for Political Studies, University of Michigan.”
party information from "clea_appendix_II.xlsx"
size, first/last year, number of elections by party extracted from "clea_stata.zip" -- see
initial import in 2015 based on CLEA 2014 version -- see folder
only parties included that won 2% of the national vote -- see
see Party Nationalization Datasets for party level data from CLEA
USA Parties -- Small splinter parties of major parties in the 19th century have been linked to the respective major parties based on information in Mackie and Rose (1991).