Note: Access to datasets requires that you create a free account on the Pew website. "A nonpartisan 'fact tank' that provides information on the issues, attitudes and trends shaping America and the world."
Includes seven projects: the Pew Research Center for the People and the Press, the Project for Excellence in Journalism, the Pew Internet & American Life Project, the Pew Forum on Religion & Public Life, the Pew Hispanic Center, the Pew Global Attitudes Project, and Social & Demographic Trends. Note that Pew datasets are released on varying schedules, with some embargoed or not released to the public to protect the privacy or confidentiality of respondents.
The iPOLL databank offers access to nearly half a million survey questions and answers asked in the U.S. by more than 150 survey organizations from the 1930's to the present.
Also included is access to the archives and publications of the Roper Center for Public Opinion Research, which contain over 17,000 datasets, JPOLL (Japanese Public Opinion), Japanese Data Library, Latin American Databank, and all issues of Public Perspective Magazine. Registration is necessary.
The European Social Survey monitors and analyzes quantitative interactions between the changing institutions on the continent and the beliefs and attitudes of Europe’s diverse populations.
This site contains surveys of people in Latin American countries on issues of democracy and democratic values. Includes data sets and country studies. Users must click on link "Enter site via IP authentication" to access.
The World Values Survey is a global research project that explores people’s values and beliefs, how they change over time and what social and political impact they have.