Political Science

The American National Election Studies (ANES) produces high quality data on voting, public opinion, and political participation to serve the research needs of social scientists, teachers, students, policy makers and journalists who want to better understand the theoretical and empirical foundations of national election outcomes.

This series of quadrennial studies was designed to investigate the opinions and attitudes of the general public and a select group of opinion leaders on matters relating to United States foreign policy and to define the parameters of public opinion within which decision-makers must operate.

State and local government employment and finance data. Holdings cover 1973-1992. More recent years can be downloaded from the U. S. Census Bureau website's Federal, State, and Local Governments page.

The Database on Ideology, Money in Politics, and Elections (DIME) is intended as a general resource for the study of campaign finance and ideology in American politics.

An open source web application for sharing and locating datasets in the social and physical sciences.

The purpose of this data series was to provide large-scale scientific surveys and make possible in-depth investigation of the political attitudes, perceptions, and electoral behaviors of a large, representative national sample of adult Black Americans. The studies permit analyses and change in the Black community on a scale that had not been possible before the series began.

The survey is produced by the Latin American Public Opinion Project (LAPOP). It is the only scientifically rigorous comparative survey that covers 28 nations including all of North, Central, and South America, as well as a significant number of countries in the Caribbean. The AmericasBarometer data sets feature a common core set of questions that has been asked from 2004 to present day. In addition, LAPOP has datasets that date back to the 1970s.

Conducts public opinion surveys in several Asia-Pacific countries.

Gateway to many kinds of research data and metadata, including sociological surveys, election studies, longitudinal studies, opinion polls, and census data.

Large set of surveys measuring public opinion in the countries of the European Union, on a wide variety of topics.

The European Values Study is a large-scale, cross-national, and longitudinal survey research program on basic human values. It provides insights into the ideas, beliefs, preferences, attitudes, values and opinions of citizens all over Europe. It is a unique research project on how Europeans think about life, family, work, religion, politics and society.

Since the 1970s, Mitchell Seligson and his colleagues and students have systematically surveyed the citizens of Latin America on their political views—specifically on democratic values and their behaviors related to democracy. Some surveys were also conducted outside of Latin America, and the number of survey rounds conducted per country varies from one to over a dozen. The LAPOP Data Repository at Yale University contains (as of January 2009) all available datasets through 2008.

This Web site contains information on and access to the most recent update of the Polity data series, originally designed by Ted Robert Gurr. The Polity IV Project continues the Polity research tradition of coding the authority characteristics of states in the world system for purposes of comparative, quantitative analysis.

World Values Survey (WVS) is a global research project that explores people’s values and beliefs, their stability or change over time and their impact on social and political development of the societies in different countries of the world.

The best finding aid to locate national US public opinion polls rich in a particular subject, iPOLL contains half a million survey questions and answers asked in the US over the last 70+ years by more than 150 survey organizations.

Archives datasets from thousands of surveys with national adult, state, foreign, and special subpopulation samples. Along with such basic information as survey organization, interview dates, and type of sample, most catalog entries include abstracts indicating the subjects covered by the questions in the survey. **To search, click on "Data Access" and then "IPoll Databank"; you'll be prompted to sign in with your email address.

Gallup Brain Questions and answers from The Gallup Poll since 1935. No raw data for analysis.

A compilation of more than 14,000 surveys conducted by over 1000 polling organizations in the US and 100 other countries from 1986 to the present time. The pollsters included are: U.S. polling organizations (e.g., Harris International, The Pew Center); Universities (e.g., Rice University, University of Maryland); Newspapers (e.g., New York Times, Los Angeles Times); Television news organizations (e.g., CBS, NBS, Fox, CNN); World polling organizations (e.g., Eurobarometer).

Online data analysis; published questions and responses; and raw data for download. Covers 55 countries going back to 2002.