ICPSR holds over 17,000 studies including over 5 million variables (aka the questions a researcher asks in a survey). Types of data include administrative data, surveys, video data, social media data, and more. Data searches can be filtered by topic, geographic location, subject terms/tags, funding agency, time period and more.
Over 40 academic disciplines use ICPSR data, including Anthropology, Communications, Criminology, Economics, Education, Gender Studies, Geography, Information Science, Law, Medicine, Social Work, Sociology, Political Science, Psychology, Public Policy and more.
All data found at ICPSR include a copy and paste version of the data citation for your papers or projects.
Additional data-related resources include:
A Bibliography of Data-Related Literature (useful for finding data that has been used in journals and other professional literature)
Data-driven Learning Guides (for use teaching with data in the classroom)
Data you can analyze online (no statistical packages required)
ICPSR also provides opportunities for learning including their Summer Program in Quantitative Methods in Social Research.