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The Constituency-Level Elections Archive (CLEA)

is a repository of detailed election results at the constituency level for lower chamber and upper chamber legislative elections from around the world.

Our motivation is to preserve and consolidate these valuable data in one comprehensive and reliable resource that is ready for analysis and publicly available at no cost. This public good is expected to be of use to a range of audiences for research, education, and policy-making.

Data & Documentation

Detailed data on legislative election results are available at the constituency level in multiple formats.

Frequently Asked Questions

Have a question about the study or data?

Check the FAQ.


The CLEA bibliography cites working papers, publications, and presentations known to use Daniele Caramani’s Elections in Western Europe since 1815: Electoral Results by Constituencies or public releases of CLEA.


CLEA Release 16 (20220908) includes updates to the Lower Chamber election data.

Overview of CLEA Release 16

CLEA Lower Chamber:
– Dataset now includes 2025 election results from 180 countries and territories.
– This release adds 131 new lower house elections from 83 countries
– We have added 9 new countries: Burundi, Eswatini, Jordan, Kyrgyzstan, Monaco, Palestine, Panama, Papua New Guinea, and Tuvalu

The datasets are free and available for download in the following formats: Excel, Stata, SPSS, and R. Appendix II (Party Codes) is also available as an Excel file.

All files can be downloaded at

We would like to thank our users for bringing errors and new data to our attention. These have been addressed in the latest release, and we continue to welcome user feedback on these and other topics.