Roper Center Public Opinion Archives (with iPOLL)
The Roper Center for Public Opinion Research, located at Cornell University, is one of the world’s leading archives of social science data, specializing in data from public opinion surveys. The Center’s mission is to collect, preserve, and disseminate public opinion data; to serve as a resource to help improve the practice of survey research; and to broaden the understanding of public opinion through the use of survey data in the United States and abroad. Founded in 1947, the Roper Center holds data ranging from the 1930s, when survey research was in its infancy, to the present. Its collection now includes over 23,000 datasets and adds hundreds more each year. In total, the archive contains responses from millions of individuals on a vast range of topics.