General Data and Statistics

A collection of academically-run surveys, questionnaires, and responses created by the ANES.

Databases, Tables & Calculators by Subject.

Info on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world countries. Select country or location from drop-down menu.

A collection of open data sets from a wide variety of government agencies and disciplines.

A directory with links to the statistics and data set pages of a wide variety of federal agencies. Some links may be broken and require a google search to find the original data.

An ongoing survey by the National Opinion Research Center. Started in 1972, this survey is the largest sociology project funded by the NSF and include a core set of demographic and attitudinal questions, as well as special interest topics.

A diverse collection of data from all disciplines, but best know for its sizable collection of sociological data.

The Library of Congress is the largest library in the world, with millions of books, recordings, photographs, newspapers, maps and manuscripts in its collections. The Library is the main research arm of the U.S. Congress and the home of the U.S. Copyright Office. 

Use Open Context to discover, reference, and publish primary data and documentation collected in archaeology and other field sciences by professional researchers.

A diverse collection of data sets covering business, college graduates, research funding, and working scientists

The Qualitative Data Repository (QDR) is a dedicated archive for storing and sharing digital data (and accompanying documentation) generated or collected through qualitative and multi-method research in the social sciences. 

A collection of public data sets from the Pew Research Center for the People and the press.

Population Reference Bureau works to improve the well-being of people everywhere by promoting informed decisions about population, health, and the environment.

This registry includes 400 research data repositories on a wide variety of disciplines, such as the Humanities, Life Sciences, Natural Sciences, and Engineering.

United Nations statistical databases.

A searchable repository of data sets from the current and historical US censuses.

A collection of data sets on national, international, and industrial economic accounts.

WolframAlpha's aim is 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.