Medicaid Financing: An Overview of the Federal Medicaid Matching Rate (FMAP)
Since its enactment in 1965, the Medicaid program has used the Federal Medical Assistance Percentage (FMAP) to determine the federal government's share of the cost of covered services in state Medicaid programs. On average, the federal share has been 57 percent. Beginning in 2014, the Affordable Care Act (ACA) establishes highly enhanced FMAPs for the cost of services to low-income adults with incomes up to 138% of the Federal Poverty Level (FPL) who are not…