Public Policy and Administration

Gateway to many kinds of research data and metadata, including sociological surveys, election studies, longitudinal studies, opinion polls, and census data

Researchers compiled these datasets for the World bank, which provides them free to encourage the creation of new knowledge.

Data on voting, public opinion, and political participation to serve the research needs of social scientists, teachers, students, policy makers and journalists

Home of the US government’s open data and includes Federal, state and local data, tools, and resources to conduct research, build apps, design data visualizations, and more.

Contains a standard 'core' of demographic, behavioral, and attitudinal questions, plus topics of special interest. Many of the core questions have remained unchanged since 1972 to facilitate time-trend studies as well as replication of earlier findings.

Links to a large collection of social science research data

Search for words or phrases in the title field, by investigator, by study number or in all fields of this huge collection of data sets at the University of Michigan. The University of Massachusetts Amherst is a member of ICPSR.

Cooperative program between the states and the Census Bureau that was created in 1978 to make data available locally to the public through a network of state agencies, universities, libraries, and regional and local governments

From the U.S. Census Bureau, these datasets contain a variety of information from household income to ethnic and racial profiles of various groups across the country.

Open data sets contributed by users and organizations.