GeoReferenced Electoral Districts Datasets
These georeferenced maps provide the boundaries for electoral constituencies and link to the constituencies in the CLEA Lower Chamber election archive. GRED (20190215) is the first non-beta release and consists of 167 maps from 74 countries. Historical coverage is provided for Brazil (1945-2014), Sweden (1952-2014), and the United States (1900-2014). The maps in this release match the constituencies for elections in Release 12 (20181119) of the CLEA Lower Chamber data.
The electoral constituency maps are organized by country. Maps are provided in ESRI Shapefile format and the GRED codebook describes how this file format can be used. Although great care has been taken to prepare the data and codebook as accurately as possible, we would appreciate receiving comments, feedback, and notification of errors. Please direct problems or questions about the data to [email protected]
The beta-2 release of GRED included two additional file formats: ESRI Geodatabase and open-source GeoPackage. These have been eliminated from the non-beta releases. The previous beta-2 files are available upon request.
Individual GRED Release 1 Country Files (Feb 15, 2019)
Albania (1MB)
Argentina (2MB)
Australia (25MB)
Austria (1MB)
Bangladesh (3MB)
Belgium (1MB)
Belize (1MB)
Bhutan (1MB)
Bolivia (9MB)
Brazil (10MB)
Bulgaria (1MB)
Cameroon (1MB)
Canada (14MB)
Cape Verde (1MB)
Chile (29MB)
Colombia (1MB)
Costa Rica (1MB)
Croatia (2MB)
Cyprus (1MB)
Czech Republic (1MB)
Denmark (1MB)
Dominican Republic (1MB)
Ecuador (5MB)
El Salvador (1MB)
Estonia (4MB)
Germany (2MB)
Grenada (1MB)
Guatemala (1MB)
Guyana (1MB)
Honduras (1MB)
Iceland (1MB)
India (7MB)
Indonesia (16MB)
Ireland (21MB)
Israel (1MB)
Italy (2MB)
Kazakhstan (1MB)
Latvia (1MB)
Liechtenstein (1MB)
Luxembourg (1MB)
Macedonia (1MB)
Marshall Islands (1MB)
Mexico (15MB)
Moldova (1MB)
Montenegro (1MB)
Namibia (1MB)
Netherlands (1MB)
New Zealand (7MB)
Nicaragua (1MB)
Norway (2MB)
Peru (3MB)
Poland (1MB)
Portugal (1MB)
Romania (1MB)
Russia (5MB)
Saint Lucia (1MB)
San Marino (1MB)
Serbia (1MB)
Singapore (1MB)
Slovakia (1MB)
South Africa (1MB)
Spain (2MB)
Sri Lanka (1MB)
Suriname (1MB)
Sweden (9MB)
Switzerland (1MB)
Trinidad and Tobago (5MB)
United Kingdom (52MB)
United States (1.8GB)
Uruguay (1MB)
Zambia (1MB)
Citing the GRED Maps
For citation of the entire GRED database, the following formats are recommended:
APA (6th edition)
Kollman, K., Hicken, A., Caramani, D., Backer, D., Lublin, D., Selway, J., and Vasselai, F. (2019). GeoReferenced Electoral Districts Datasets [data files and codebook]. Ann Arbor, MI: Center for Political Studies, University of Michigan [producer and distributor]. Retrieved from http://www.electiondataarchive.org.
MLA (8th edition)
Kollman, Ken, Allen Hicken, Daniele Caramani, David Backer, David Lublin, Joel Selway, David Lublin and Fabricio Vasselai. GeoReferenced Electoral Districts Datasets. Ann Arbor, MI: Center for Political Studies, University of Michigan [producer and distributor], 2019. Web. 15 February 2019.
Chicago (17th Edition)
Kollman, Ken, Allen Hicken, Daniele Caramani, David Backer, David Lublin, Joel Selway, and Fabricio Vasselai. 2019. GeoReferenced Electoral Districts Datasets. Produced and distributed by Ann Arbor, MI: Center for Political Studies, University of Michigan.
For citation of one set of country files from GRED, inclusion of the country name and year is recommended. For example:
APA (6th edition)
Kollman, K., Hicken, A., Caramani, D., Backer, D., David Lublin, Selway, J., and Vasselai, F. (2019). GeoReferenced Electoral Districts Datasets: Albania 2009 [data files and codebook]. Ann Arbor, MI: Center for Political Studies, University of Michigan [producer and distributor]. Retrieved from http://www.electiondataarchive.org.
MLA (8th Edition)
Kollman, Ken, Allen Hicken, Daniele Caramani, David Backer, David Lublin, Joel Selway, and Fabricio Vasselai. GeoReferenced Electoral Districts Datasets: Albania 2009. Ann Arbor, MI: Center for Political Studies, University of Michigan [producer and distributor], 2019. Web. 15 February 2019.
Chicago (17th edition)
Kollman, Ken, Allen Hicken, Daniele Caramani, David Backer, David Lublin, Joel Selway, and Fabricio Vasselai. 2019. GeoReferenced Electoral Districts Datasets: Albania 2009. Produced and distributed by Ann Arbor, MI: Center for Political Studies, University of Michigan.