The Roper Center website provides this overview “
The Roper Center for Public Opinion Research is one of the world's leading archives of social
science data, specializing in data from surveys of public opinion. The data held by the Roper
Center range from the 1930s, when survey research was in its infancy, to the present. Most of the
data are from the United States, but over 50 nations are represented."
For assistance in using Roper or in downloading to ASCII and SPSS please contact: ATLAS at