Statistics
- data.census.gov (replaces American Factfinder)Census data on population, housing, businesses, education, income, and many other variables. Data can be filtered by country, state, city and more with datasets available to download as CSV files.
- Data.Oregon.Gov: Open Data PortalData collected by Oregon's state and local governments.
- DataverseHarvard's Dataverse contains over 30,000 datasets in the social sciences
- Historical Statistics of the United States This link opens in a new windowThe standard source for the quantitative facts of American history.
- ICPSR (Inter-university Consortium for Political and Social Research) This link opens in a new windowNOTE: users need to create a personal account to download data and documents. An international consortium of more than 750 academic institutions and research organizations, ICPSR maintains a data archive of more than 250,000 files of research in the social sciences. It hosts 21 specialized collections in education, aging, criminal justice, substance abuse, terrorism, and other fields from various countries. Qualitative studies can be downloaded as text documents while quantitative data can be downloaded as CSV files.
- ISPS Data ArchiveYale's ISPS Data Archive consists primarily of social science research based on experiments. The Archive is organized by study and includes the data, analysis code, requisite documentation, and other associated materials.
- Northwest Open Data ExchangePartnered with Portland State University, the Institute of Portland Metropolitan Studies makes data related to the Pacific Northwest region available from PSU researchers and students.
- Population Research CenterLocated at Portland State University, the Population Research Center's primary responsibility is to "provide ready access to census and other information on the population of Oregon and to provide timely analyses of the patterns of past, current, and projected future populations in Oregon and of the implications of such patterns for key issues facing Oregon."
- Quality of GovernanceData on concepts related to quality of government, transparency and public administration for over 100 countries.
- re3data.orgA registry of research data repositories – includes over 1300 international collections of data.
- Linn and Lee's Data SourcesA comprehensive list of datasets on American politics and other topics, tailored to undergraduate research.
Polling
- American National Election StudiesANES conducts national surveys of the American electorate in presidential and midterm election years. The ANES time-series now encompasses biennial election studies since 1948
- Gallup.comIncludes a list of poll topics.
- General Social SurveyA biennial personal interview survey of U.S. households conducted by the National Opinion Research Center (NORC) and "is widely regarded as the single best source of data on societal trends". Data is collected in order to observe and document current opinions, attitudes, and behaviors.
- Odum InstituteThe Odum Institute has a large archive of public opinion data, including more than 1,000 Harris Polls from as early as 1958, the National Network of State Polls collection (775 studies from more than 25 states), the Carolina Poll (1977–2005), Monmouth University Polling Institute polls (2011+), the Southern Focus Poll (1992–2001), and some USA Today polls (1984–1993).
- Pew Research CenterThe Pew Research Center studies public attitudes toward the press, politics and public policy issues. The Center's main purpose is to serve as a forum for ideas on the media and public policy through its research.
- PollingReport.comEasy access to timely, high quality poll data from the publishers of The Polling Report
- Polling the Nations This link opens in a new windowA compilation of more than 14,000 surveys conducted by over 1000 polling organizations in the U. S. and 100 other countries from 1986 to the present time.
- Roper iPoll This link opens in a new windowNOTE: users need to create a personal account to download data and documents. A unique, rich data source for US public opinion topics. It includes 650,000 questions and answers from 1935 through last week, gathered from all the major polling organizations in the country (Gallup, Harris, Pew, etc.)
- World Values SurveyFounded in 1981, the World Values Survey is an international research program devoted to the scientific and academic study of social, political, economic, religious and cultural values of people in the world. Data is collected globally every 5 years by a comparative social survey. Surveys include questions related to general health, family structure, employment and much more. Maps, time series data, and country-specific responses can be downloaded as Excel spreadsheets or PDFs.
