What is Medicaid, and How Does It Work?

Medicaid is a joint federal and state program that provides comprehensive, low-cost or free health coverage to millions of Americans with limited income and resources.

Unlike Medicare, which is primarily for seniors and some younger people with disabilities, Medicaid is more inclusive, covering various demographic groups, such as pregnant women, children, parents, and other adults.

The program is the largest single source of health coverage in the United States.

The program is managed by the Centers for Medicare and Medicaid Services (CMS) at the federal level, but each state is given considerable leeway in designing and implementing its Medicaid program to best meet the needs of its population, resulting in significant variations in coverage and eligibility criteria.