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Election Data Resources


Social science macro dataset repository.


Comparative Studies of Electoral Systems

Collaborative program of cross-national research among election studies conducted in over fifty countries.

European Election Database

Datasets on Parliamentary, Presidential, EU Parliament, and EU Referendums by European countries.


Constituency-Level Elections Archive

Repository of detailed results of approximately 1600 elections from 130+ countries at a constituency level for lower house national legislative elections. Includes votes received by each candidate/party, total votes cast, number of eligible voters, and seat figures where available.

Database of Political Institutions

Institutional and electoral results data such as measures of checks and balances, tenure and stability of the government, identification of party affiliation and ideology, and fragmentation of opposition and government parties in the legislature, among others. Within the dataset you can find date of election, vote share & seat share for government and opposition parties in the legislature, and vote share for executives, including presidents coding for electoral rules, checks and balances, and federalism fragmentation of opposition and government parties in the legislature nationalist, rural, religious, and partisan economic orientation of government/opposition parties.

IDEA Voter Turnout Database

Contains the most comprehensive global collection of voter turnout statistics from presidential and parliamentary (including European Parliament) elections.

Democratic Electoral Systems Around the World

The dataset covers a wide range of institutional features including regime type, the electoral formula, the average and median district magnitude, the number of constituencies and upper tier seats, and assembly size.