HCCI is a non-profit organization that aims to provide researchers "access to health care cost and utilization data that covers all ages and health issues, is national in nature, and includes previously inaccessible data on the private health insurance market."

The Census Bureau collects health insurance data using three national surveys: the Current Population Survey's Annual Social and Economic Supplement (CPS ASEC), American Community Survey (ACS), and Survey of Income and Program Participation (SIPP).

The National Committee for Quality Assurance, a non-profit organization rates health insurance plans by quality and performance metrics.

From Kaiser Foundation, the site covers all 50 states. Consult individual state profiles or compare and download data on a variety of topics including health status, health coverage and uninsured, Medicaid and CHIP, health costs and budget, managed care and health insurance, providers and service use, minority health, women’s health, and HIV/AIDS.