Data on people with multiple chronic conditions.

Information about data sets, as well as data that can be downloaded.

Searchable data from across all research fields.

Information on datasets, instruments and software in health services, behavioral and social sciences, and public health.

Includes harmonized data from the U.S. National Health Interview Survey, 1960s - Requires free registration.

This collaborative repository of systematic review data serves as both an archive and a data extraction tool.

Includes quantitative microdata on populations, poverty, health, etc.

Includes FAQs and Audio/Video tutorials.