Constituency-Level Elections Archive (CLEA) Upper Chamber Elections Archive (ICPSR 39593)
Version Date: Mar 18, 2026 View help for published
Principal Investigator(s): View help for Principal Investigator(s)
Ken Kollman, University of Michigan. Center for Political Studies;
Allen Hicken, University of Michigan. Center for Political Studies;
Daniele Caramani, University of Zurich (Switzerland);
David A. Backer, University of Maryland;
David Lublin, American University
https://doi.org/10.3886/ICPSR39593.v1
Version V1
Summary View help for Summary
Election results at the constituency level for elections to the upper chambers of national parliaments.
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Subject Terms View help for Subject Terms
Geographic Coverage View help for Geographic Coverage
Smallest Geographic Unit View help for Smallest Geographic Unit
Countries
Distributor(s) View help for Distributor(s)
Time Period(s) View help for Time Period(s)
Data Collection Notes View help for Data Collection Notes
- For additional information on the Constituency-Level Elections Archive study, please visit the CLEA website.
- Country codes found in the data and documentation were developed by the United Nations.
Study Purpose View help for Study Purpose
The purpose of the Constituency-Level Elections Archive (CLEA) project is to produce a repository of detailed electoral results - i.e., votes received by each candidate or party, total votes cast, number of eligible voters - at the constituency level for the upper chamber legislative elections that have been conducted around the world.
Time Method View help for Time Method
Universe View help for Universe
Upper chamber elections from countries across the world.
Data Type(s) View help for Data Type(s)
Description of Variables View help for Description of Variables
Amount of eligible voters within first or second round elections, political parties, and election year for upper chamber elections are some of the data collected in this study.
HideOriginal Release Date View help for Original Release Date
2026-03-18
Version History View help for Version History
2026-03-18 ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:
- Created variable labels and/or value labels.
- Created online analysis version with question text.
- Checked for undocumented or out-of-range codes.
Notes
These data are freely available to data users at ICPSR member institutions. The curation and dissemination of this study are provided by the institutional members of ICPSR. How do I access ICPSR data if I am not at a member institution?