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National healthcare expenditures reached $5.3 trillion in 2024, representing 18 percent of the nation's gross domestic product, according to analysis published in Health Affairs by the Centers for Medicare and Medicaid Services Office of the Actuary. Medical Economics reports that this 7.2 percent increase from 2023 was driven primarily by utilization intensity rather than price increases, marking the strongest consecutive years of spending growth since the early 1990s recession.
The analysis attributes approximately 3.6 percent of the growth to increased use and intensity of medical services, while price increases contributed only 2.5 percent. Hospital care spending jumped 8.9 percent to $1.6 trillion, while physician and clinical services rose 8.1 percent to $1.1 trillion. Prescription drug spending increased 7.9 percent to $467 billion, with GLP-1 diabetes and obesity medications driving demand despite moderating price growth.
Per-enrollee spending patterns varied significantly across payer types. Medicaid showed the most dramatic shift, with per-enrollee costs surging 16.6 percent as redeterminations filtered out healthier populations, leaving sicker, more expensive beneficiaries in the program. Private health insurance spending per enrollee grew 5.2 percent, while Medicare increased 5.4 percent. The federal government remained the largest sponsor at $1.7 trillion, representing roughly one-third of total healthcare expenditures.
Lead author Micah Hartman emphasized that strong population insurance coverage, peaking at 92.5 percent in 2023, enabled sustained demand for medical services following pandemic-era utilization suppression. The report suggests future spending trends remain uncertain given demographic shifts, regulatory changes, and emerging technologies reshaping healthcare delivery and financing.
