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The Constituency-Level Elections Archive (CLEA) is a repository of detailed election results at the constituency level for lower house 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.

For more information about CLEA, please visit the About Us page.

Announcement

The latest GeoReferenced Electoral Districts (GRED) - Beta 2 release includes an additional 40 countries, increasing our geographical coverage to 74 countries. These georeferenced maps provide the boundaries for electoral districts and link to the constituencies in CLEA's election archive. Maps are provided in three file formats: ESRI Geodatabase, open-source GeoPackage, and ESRI Shapefile. The GRED codebook describes how these file formats can be used.

Maps are now available for Afghanistan, Australia, Bolivia, Bulgaria, Cameroon, Chile, Ecuador, Indonesia, Ireland, Paraguay, South Africa, and Uruguay, among others.


The latest CLEA data release (Release 10 - 20170530) includes 60 new elections from 24 countries, increasing our coverage to a total of 1,786 elections from 154 countries and territories.

Elections from 12 new countries and territories are included: Afghanistan, Ethiopia, Ivory Coast, Kuwait, Maldives, Micronesia, Montenegro, Namibia, Niger, Senegal, Timor-Leste, and Uganda.

We continue to provide multiple data formats in separate files for ease of use. CLEA election data are available in Stata, SPSS, R, and SAS formats, and as tab-delimited and CSV files. Appendix II (Party Codes) is also available as an Excel file. Additionally, a supplemental file with candidate codes and names in native languages for Japan, Kuwait, Taiwan, Thailand and Ukraine is provided.

We'd like to thank our users for bringing errors and new data to our attention. These have been addressed in the latest release, and the list of changes and corrections can be found at the Data Center, under the Errata section.

The party nationalization datasets have also been updated with data from this release. They are presented in three separate datasets that represent different levels of aggregation: national level, party level, and constituency level. They are available in Stata and CSV file formats.

We'd like to thank our users for bringing errors and new data to our attention. These have been addressed in the latest release, and the list of changes and corrections can be found at the Data Center, under the Errata section.


Leadership

The co-directors of the CLEA project are:

Ken Kollman, University of Michigan
Allen Hicken, University of Michigan
Daniele Caramani, University of Zurich
David Backer, University of Maryland
David Lublin, American University

CLEA is grateful for support received from the National Science Foundation, the Taiwan Foundation for Democracy, the Center for Political Studies, the Director's Office of the Institute for Social Research, and the University of Michigan Office of Research and to the many contributors who provide election results and expertise.

This project would not be possible without the assistance of graduate and undergraduate students.