Expenditure data for the period 1966 to 1976 have been revised to be consistent with the current definition of the Federal Fiscal Year (October-September). Expenditures are for medical assistance payments and administration
In 2024, the expenditures on Medicaid in the U.S. were 949 billion U.S. dollars. Medicaid public health insurance program that aims to provide affordable health care options to low-income residents and people with disabilities. Medicaid was signed into law in 1965. By 1975, around 13 billion U.S. dollars had been spent on the program.
Groups covered by Medicaid
There are several components of the Medicaid health insurance program. The Children’s Health Insurance Program (CHIP) was started in 1997 to provide health coverage to families and children who could not afford care. As of 2021, children represented the largest distribution of Medicaid enrollees. Despite having the largest proportion of enrollees, those who were enrolled in Medicaid as children had the lowest spending per enrollee. As of 2021, disabled Medicaid enrollees had the highest spending per enrollee.
Medicaid expenditures
Currently, Medicaid accounts for 19 percent of all health care expenditure in the United States. Expenditures on Medicaid programs vary among the U.S. states and depend heavily on whether Medicaid expansion was accepted after the Affordable Care Act was enacted. California and New York are the top states with the highest Medicaid expenditures. It is projected that Medicaid expenditure will continue to increase at both the state and federal levels.
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CMS, & Medicaid and CHIP Payment and Access Commission. (January 27, 2026). Total Medicaid expenditure from 1975 to 2024 (in billion U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/245348/total-medicaid-expenditure-since-1966/
CMS, und Medicaid and CHIP Payment and Access Commission. "Total Medicaid expenditure from 1975 to 2024 (in billion U.S. dollars)." Chart. January 27, 2026. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/245348/total-medicaid-expenditure-since-1966/
CMS, Medicaid and CHIP Payment and Access Commission. (2026). Total Medicaid expenditure from 1975 to 2024 (in billion U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/245348/total-medicaid-expenditure-since-1966/
CMS, and Medicaid and CHIP Payment and Access Commission. "Total Medicaid Expenditure from 1975 to 2024 (in Billion U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 27 Jan 2026, /statistics/245348/total-medicaid-expenditure-since-1966/
CMS & Medicaid and CHIP Payment and Access Commission, Total Medicaid expenditure from 1975 to 2024 (in billion U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/245348/total-medicaid-expenditure-since-1966/ (last visited July 23, 2026)
Total Medicaid expenditure from 1975 to 2024 (in billion U.S. dollars) [Graph], CMS, & Medicaid and CHIP Payment and Access Commission, January 27, 2026. [Online]. Available: /statistics/245348/total-medicaid-expenditure-since-1966/
