People who are in the United States illegally are generally ineligible to enroll in Medicaid or Medicare and are not eligible to purchase health insurance through the Affordable Care Act marketplace.
October 07, 2025
high
policy
Federal eligibility rules for major public insurance programs and the ACA marketplace.
U.S. federal rules prohibit undocumented immigrants from receiving federal funds for health coverage through Medicare, Medicaid, and the Affordable Care Act's premium tax credits (as of 2025-10-05).
October 05, 2025
high
policy
Federal eligibility rules determine which populations may receive federal health program funds.