The ANES produces high quality data from its own surveys on voting, public opinion, and political participation. ANES is a collaboration of Stanford University and the University of Michigan, with funding by the National Science Foundation.
Gallup Polls
National and international opinions on economic and social issues.
GSS General Social Survey
The General Social Survey (GSS) conducts basic scientific research on the structure and development of American society with a data-collection program designed to both monitor societal change within the United States and to compare the United States to other nations.
Harris Poll Vault
An independent poll data spanning 1963-present; by topic and date.
Issue Lab
7,000 annotated links to foundation-sponsored reports.
Kaiser Foundation Polls
Polls relating to health and medicine.
Pew Research Center
Nonpartisan fact tank that provides information on the issues, attitudes and trends shaping America and the world. Conducts public opinion polling, demographic studies, media content analysis and other empirical social science research.
Polling Report.com
An independent, nonpartisan resource on trends in American public opinion. Most data free without subscription.
Roper Organization
Archive that preserves data from polls conducted by many leading survey organizations for the use of researchers, students, and journalists. Also has a link that shows how to cite polling data.
World Values Survey
WVS is an opinion survey that includes representative samples from about 90 countries ranging from post-industrial democracies to developing nations.