American public opinion data about a variety of current issues, including politics, healthcare, education and youth, finance and commerce, and religion.
Pew Research Center for the People and the Press
Independent public opinion research on politics, media and values, and public attentiveness to major news stories, among other topics.
National Opinion Research Center (NORC)
University of Chicago research center conducting local and international surveys on economics, population, education, child development, healthcare, and criminal justice, among other topics.
Roper Center for Public Opinion Research
Archive of social science data, specializing in data from surveys of public opinion.
Quantitative data sets for the study of American religion. Goals include data preservation, data access improvement, data use and cross data file comparisons.