Data Sources

Best Places to Start

Data-Planet Statistical Datasets Data on a wide variety of topics produced by U.S. Federal agencies and states, private organizations, major intergovernmental organizations and governments. Access includes detailed data on China from the China Data Center.

OECDiLibrary Premium access to statistical information from OECD.

Statista Statistics, consumer survey results and industry studies from over 18,000 sources on over 60,000 topics; mostly current data.

Statistical Abstracts of the World Data reported mainly at the national level.

UNData (open access) International statistics from United Nations statistical resources.

World Bank Data (open access) International data ranging from easy-to-use to research data sets.

United States Focused

PolicyMap Data mapping tool accessing over 15,000 indicators.

SAGE Stats: State & Local Data visualization tool for state and local data.

SimplyAnalytics Mapping tool for retrieving demographic, business, and marketing data.

Social Explorer Easy-to-use access to U.S. Census of Population and Housing and American Community Survey data. Also includes statistics on religious affiliation. If you can’t find the Census data you need in Social Explorer, try American FactFinder (open access).

Statistical Abstract of the United States Authoritative and comprehensive summary of current statistics on the social, political, and economic conditions of the United States.

Data Repositories / GIS / Statistical Sources (open access) U.S. government’s open data portal. Search over 164,000 data sets on a wide array of topics available.

Geo Data Server GIS data server hosted by George Mason University Libraries. Download data for use in GIS projects.

Inter-university Consortium for Political and Social Research (ICPSR) Access a vast archive of social science data for research and instruction. Note that before downloading data, you will be asked to set up an account. Some online analysis is available. Most datasets will need to be downloaded for analysis in a statistical software package.

re3data (open access) Global registry of research data repositories representing different academic disciplines. Once you identify a repository in your topic area, search the the selected repository for data.

Statistical Insight Keep your search for data efficient and focused by searching this index to statistical publications. Indexes major U.S. and international data sources.


Historical Statistics of the United States U.S. national statistics back to colonial times.

International Historical Statistics International data covering the time period 1750-2010