American FactFinder is the U.S. Census Bureau’s online tool for accessing population, economic, geographic and housing information. American FactFinder allows you to browse, search, generate and map data from the Decennial Census, American Community Survey, American Housing Survey, Puerto Rico Community Survey, Population Estimates Program, Economic Census, Equal Employment Opportunity (EEO) Tabulation, Annual Survey Governments, and Annual Economic Surveys, and Census of Governments.
CESSDA, the Council of European Social Science Data Archives, promotes the acquisition, archiving and distribution of electronic data for social science teaching and research in Europe. CESSDA provides access to datasets from 12 social science data archives across Europe, including sociological surveys, election studies, longitudinal studies, opinion polls, and census data. Among the materials are international and European data such as the European Social Survey, the Eurobarometers, and the International Social Survey Programme.
Data.gov provides access to high value, machine readable federal, state, and local datasets provided by hundreds of organizations including federal agencies. Information includes descriptions (metadata), how to access the datasets, and tools that leverage government datasets.
Eurostat is the statistical agency for the EU. The site provides access to data (monthly, quarterly, and annual data) from 1960 onwards. Topics include: general statistics, regional statistics, economy and finance, population and social conditions, industry, services and transport, and intra- extra-EU trade statistics.
FedStats, maintained by the Federal Interagency Council on Statistical Policy, provides easy access to the full range of statistics and information produced by more than 70 U.S. federal agencies.
The ICPSR, Inter-University Consortium for Political and Social Research, maintains and provides access to a vast archive of social science data for research and instruction. All ICPSR datasets at Harvard University are maintained by the IQSS Dataverse Network. (Harvard University ID and PIN required).
The Internet Crossroads in Social Science Data, produced by the Data and Program Library Service at the University of Wisconsin-Madison, provides annotated listings of data resources organized into several broad topical areas.
The IQSS Dataverse Network is the principal repository of quantitative social science data at Harvard University and includes data from the ICPSR, the Roper Center, the U.S. Census Bureau, the National Archives and the Murray Research Archive. (Harvard University ID and PIN required.)
The National Statistical Offices listing, maintained by the United Nations Statistics Division as part of its Development of National Statistical Systems effort, provides links to a country’s primary statistical offices.
Proquest Statistical Insight provides indexes and abstracts of the statistical content of selected publications of U.S. federal and state agencies, non-governmental associations, commercial publishers, universities, and international, research and business organizations. It includes data in the Statistical Abstract of the U.S. that is also now published by ProQuest. (Harvard University ID and PIN required.)
ProQuest Statistical Abstracts of the U.S.provides a summary of statistics on the social, political, and economic conditions of the United States. It used to be published by the U.S. Census Bureau (back in 1878) but is now published by ProQuest. The online edition is available back to 2013 from ProQuest and 1878-2012 from the government. It is also available in print from ProQuest and back to 1878 from the government. There is also Historical Statistics of the United States (Millennial Edition) which goes back to colonial times.
Statista.com is a statistics portal that integrates over 60,000 diverse topics of data and facts from over 10,000 sources onto a single platform. Categorized into over 20 market sectors, Statista provides business customers, researchers, and the academic community with access to quantitative facts on agriculture, finance, politics, and additional areas of interest. Sources of information include market researchers, trade publications, scientific journals, and government databases.
UNdata, a service of the United Nations Statistics Division, provides access to major UN statistical databases, as well as those of several other international organizations.
WolframAlpha is a “computational” search engine allowing you to locate data by doing dynamic computations based on a collection of built-in data, algorithms and methods. WolframAlpha strives “to collect and curate all objective data; implement every known model, method, and algorithm; and make it possible to compute whatever can be computed about anything.”