Research Guides: Political Science: Political Data Sources

Search major data repositories

This search box will search the major open access data repositories for datasets with specific search terms:

Google has also launched an engine that will search for datasets by keyword.

Gallup Analytics This link opens in a new window
TAMU Only Access Gallup's U.S. Daily tracking and World Poll data to compare residents' responses region by region and nation by nation to questions on topics such as economic conditions, government and business, health and wellbeing, infrastructure, and education.
Roper Center for Public Opinion Research This link opens in a new window
the world's largest archive of survey data, and through its programs of publication, presentation and advanced research, the Roper Center provides access to cross-national data on public opinion and the problems faced by Americans and citizens of other nations.

Pew Research Center on US Politics and Policy
public opinion polling, demographic research, media content analysis and other empirical social science research from a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping America and the world.

Polling the Nations This link opens in a new window
provides public opinion data on many topics across many geographies, searchable by topic, country and polling agencies.

ProQuest Congressional This link opens in a new window
full-text of more than 211 years worth of detailed information about Congress, including member biographies, committee assignments, voting records, financial data, and the full-text of key regulatory and statutory resources.
CQ Congress Collection This link opens in a new window
includes public policy legislation and analysis, biographical data on members of Congress since 1945, their legislative voting behavior, interest groups, and their interactions in crafting public policy. Includes statistical data of the legislative branch.

Congressional Bills Project
provides information about more than 400,000 bills introduced in the U.S. Congress, currently 1947-2008, along with extensive information about each bill's progress and sponsor.
Congressional Apportionment Data (Census)
The Constitutional basis for conducting the decennial census is to reapportion the U.S. House of Representatives. Apportionment is the process of dividing the 435 memberships, or seats, in the U.S. House of Representatives among the 50 states.

Congressional Record This link opens in a new window
Congressional Record is the official record of the proceedings and debates of the U.S. Congress. Here you can find roll call votes and more.