The Inter-university Consortium for Political and Social Research (ICPSR) is the world’s largest archive of computer readable social science data. ICPSR provides Web access to data files and documentation for use with statistical software, such as SAS, SPSS, and Stata. The ICPSR data holdings contain some 6,300 studies and 500,000 files that cover a wide range of social science areas such as population, economics, education, health, social and political behavior, social and political attitudes, history, crime, aging, and substance abuse. Individual registration and adherence to responsible use statement are required. (source Davis Library web page)
UNC-CH users only
https://guides.lib.unc.edu/go.php?c=23608614