U.S. Government’s open data. Includes federal, state, and local data, tools, and resources to conduct research, build apps, design data visualizations, and more.
"CAP enables scholars, students, policy-makers and the media to investigate trends in policy-making across time and between countries...CAP monitors policy processes by tracking the actions that governments take in response to the challenges they face."
An authoritative and comprehensive summary of statistics on the social, political, and economic organization of the United States. Use the Abstract as a convenient volume for statistical reference, and as a guide to sources of more information both in print and on the Web. Sources of data include the Census Bureau, Bureau of Labor Statistics, Bureau of Economic Analysis, and many other Federal agencies and private organizations.
"A joint project of the National Center for State Courts (NCSC) and the Conference of State Court Administrators (COSCA) — publishes caseload data from the courts of the fifty states, the District of Columbia, and Puerto Rico. These data are provided by the offices of the state court administrator in those jurisdictions. The extensive experience of the staff of CSP, along with adherence to the reporting framework provided by the State Court Guide to Statistical Reporting, ensures the quality and comparability of these data. The support and partnership of COSCA and the Conference of Chief Justices and NACM are an essential part of our success."
A free web resource from Washington University that provides statistical information about each case decided by the court from 1953 to the present. Search by date of decision, issue on the docket, case outcomes, case component, etc.
The PEW Research Center is a nonpartisan fact tank conducts public opinion polls, demographic research, content analysis, and more. Data and reports can be browsed by topic, searched by question, and are freely downloadable. 1997- Present.
The mission of the Roper Center is to collect, preserve, and disseminate public opinion data; to serve as a resource to help improve the practice of survey research; and to broaden the understanding of public opinion through the use of survey data in the United States and around the world.
Oldest continuous series of survey data investigating electoral behavior and attitudes. Click on "Resources" to browse the ANES Guide to Public Opinion and Electoral Behavior, organized into 9 topics. Click on "Data Center" to download data sets.