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
- U.S. News & World Report
- Health Affairs
- Office of the National Coordinator (ONC)
- The New England Journal of Medicine
AHA Data Supports Important Studies Related to COVID-19 and Virtual Care
- Hospital Characteristics Associated with Palliative Care Program Prevalence, Journal of Palliative Medicine
- Exploring association between certified EHRs adoption and patient experience in U.S. psychiatric hospitals, PLOS One
- Telestroke Adoption among Community Hospitals in North Carolina: A Cross-Sectional Study, Journal of Stroke and Cerebrovascular Diseases
- Availability of Telemedicine Services Across Hospitals in the United States in 2018: A Cross-sectional Study, Annals of Internal Medicine
- Barriers to Hospital Electronic Public Health Reporting and Implications for the COVID-19 Pandemic, Journal of the American Medical Informatics Association
AHA Data is now part of the Wharton Research Data Services (WRDS) platform at the Wharton School of the University of Pennsylvania.

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