A data source for US public opinion questions and answers from polls on important issues facing the country. Coverage from 1935 to present. The Polling results include academic, commercial and media (news) survey organizations.

ICPSR is a serves member colleges and universities by providing access to a large archive of machine-readable social science data, training facilities in basic and advanced techniques of quantitative social analysis, and resources that facilitate the use of advanced computer technology by social scientists. The primary mission of the ICPSR Web site is to provide to the social science research community efficient search capabilities to facilitate quick and easy access to data.