Search for datasets across over 1000 different major data centers and repositories including ICPSR, Harvard Dataverse, Data-Planet, the California Digital Library, Figshare, Dryad, the Center for Open Science, UC San Diego Library Digital Collections, etc.
A database with hundreds of variables for the US and the world.
Access the world's largest collection of social science research data here by searching across or browsing through one of the virtual data archives (called "dataverses") listed below. Data is uploaded by researchers from around the world.
Registry of research data repositories
Datasets include: Adjusted state antiquity dataset; Extraction ratio; Government revenues relative to GDP; Latent democracy indicator, 1850-2000; Conflict Catalog (Violent Conflicts 1400 A.D. to the Present in Different Regions of the World); Homicide dataset, 1800-2000.
The Correlates of War project collects and disseminates quantitative data in international relations.
Facts on international relations and security trends
Frequently updated estimates from the Federation of American Scientists.
@unitedstates is a shared commons of data and tools for the United States. Made by the public, used by the public.
Links and citation info for multiple Congressional datasets
Allows users to view every congressional roll call vote in American history on a map of the United States and on a liberal-conservative ideological map, including information about the ideological position of voting Senators and Representatives.
Cooperative Project of The University of Rochester, The University of North Carolina at Chapel Hill, & George Washington University.
Collection of precinct-level results for as many U.S. elections as possible since 2000, linked to GIS boundary files of voting tabulation districts. Also visualized in the Stanford Election Atlas.