Since 1946, the American Hospital Association has collected data provided by the nation’s hospitals and health care systems to give researchers the most consistent and complete view of trends.
AHA Data is the research community’s destination for reliable, historic hospital data:
- Data from more than 6,200 hospitals and 400 health care systems
- Use it as a single reference or seamlessly match it to other public data sets to expand your analysis
- Examine hospital characteristics against health care transformation and policy changes
- Explore physician models by hospital size, ownership-type, and geography
- Identify the change in hospital and health care system affiliation over time
- Identify the types of hospitals adopting bundled payment models, and establishing medical homes
AHA Data is a go-to data resource for academic and government institutions worldwide, including:
- Centers for Disease Control and Prevention
- U.S. Census Bureau, Centers for Medicare and Medicaid Services
- Journal of the American Medical Association (JAMA)
- Health Affairs
- Office of the National Coordinator (ONC)
- The New England Journal of Medicine
"AHA Data played a pivotal role in jumpstarting my project during the COVID-19 pandemic. My focus centered on examining the prevalence of telehealth services among U.S. hospitals and clinics within my clinical specialties of pulmonary and critical care. The invaluable insights provided by the AHA's Annual Survey Database enabled me to pose the right questions and proved critical to this research."
- Dr. Snigdha Jain, MD, MHS
Yale School of Medicine
AHA Data Supports Important Studies
- Longitudinal Trends and Characteristics of Hospital Closures and Openings, JAMA, Published Online: October 8, 2026
- Rural–Urban Differences in the Incorporation of Workforce Planning and Development in the Strategic Planning Process of US Hospitals, The Journal of Rural Health: May 21, 2026
- Hospital Adaptations to New Models of Primary Care, Medical Care Research and Review: September 2026
- Association of Tele-Critical Care Capability With Interhospital Transfers and Potentially Low-Value Transfers Among Critically Ill Medicare Beneficiaries, Critical Care Medicine: October 2026
- Geographic Accessibility of Deceased Organ Donor Care Units, JAMA Network Open, March 13, 2026
Hospital Data Case Studies and Research Examples
Discover how leading universities are succeeding with AHA Data
AHA Data is now part of the Wharton Research Data Services (WRDS) platform at the Wharton School of the University of Pennsylvania.
