![Fast Facts: U.S. Health Systems 2023 Infographic. What is a health care system? AHA has defined two types of health care systems, and both involve an ownership, lease, sponsorship or contract-management relationship with a central organization. A multihospital system involves two or more hospitals, while a single diversified hospital system involves one hospital and three or more pre- or post-acute health care organizations. Total U.S. Health Systems = 407. 67% of U.S. Hospitals are system-affiliated.](/https/www.aha.org/sites/default/files/2023-04/Fast-Facts-US-Health-Systems-2023-Infographic.png)
Advisory
A new infographic provides a quick overview on the number of health systems in the U.S. Updated April 2024.
AHA has defined two types of health care systems, and both involve an ownership, lease, sponsorship or contract-management relationship with a central organization. A multihospital system involves two or more hospitals, while a single diversified hospital system involves one hospital and three or more pre- or post-acute health care organizations.