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Missouri: medicaid expansion

Whether your state expanded Medicaid to low-income adults under the ACA, and when.

Single detailed source

Medicaid expanded?	Yes
Coverage began	Oct. 1, 2021 (ballot measure, 2020)
Law ends expansion if federal funding drops?	No

Expansion covers most adults with incomes up to 138% of the federal poverty level. Federal work requirements for expansion adults begin in January 2027. In non-expansion states, many low-income adults fall into a coverage gap.

General information only, not legal, insurance or financial advice. Not affiliated with any government agency. Exceptions can apply. Confirm with the state agency, the court or a licensed professional in Missouri.

How Missouri compares

41 of 51 states and DC share this answer (Yes): Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Dakota, Utah, Vermont, Virginia, Washington, West Virginia.

Also for Missouri: Medicaid long-term care in Missouri · Small estate limits in Missouri · Will and trust rules in Missouri · Estate and inheritance tax in Missouri · Common law marriage in Missouri · Property tax rates in Missouri · Inheritance tax in Missouri · Social Security tax in Missouri · All Missouri rules on one page

How we checked this

Status comes from KFF's state tracker of Medicaid expansion decisions, as of November 2026. Last checked: November 12, 2026. Laws change; confirm with the state agency or a licensed professional before acting.

Cross-checked sources agree   Checked on official source confirmed on a government, court or legislature site   Single detailed source one detailed table built from statutes or official data   Under review sources disagree; read the note and the law.