Public-health-insured percentage by Medicaid expansion status U.S. 2010-2022

In 2022, nearly one quarter of U.S. adults in Medicaid expansion states had some kind of public health insurance coverage. In comparison, just one in seven of U.S. adults in non-Medicaid expansion states were publicly insured. As of November 2022, ten states, mostly in the South, had not adopted Medicaid expansion under the Affordable Care Act. This statistic shows the percentage of adults aged 18-64 years with public health insurance in the United States from 2010 to 2022, by state Medicaid expansion status.

Share of adults aged 18-64 years with public health insurance in the United States from 2010 to 2022, by state Medicaid expansion status

Characteristic	Medicaid expansion states	Non-Medicaid expansion states
-	-	-
-	-	-
-	-	-
-	-	-
-	-	-
-	-	-
-	-	-
-	-	-
-	-	-
-	-	-
-	-	-
-	-	-
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Release date

May 2023

More information

Region

United States

Survey time period

2010 to 2022

Age group

18-64 years

Supplementary notes

For 2019, states moving forward with Medicaid expansion included: Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Hawaii, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Dakota, Ohio, Oregon, Pennsylvania, Rhode Island, Vermont, Virginia, Washington, and West Virginia. The District of Columbia also moved forward with Medicaid expansion. Beginning with 2020, two states were added to this grouping: Idaho and Utah. Beginning with 2021, Nebraska was added to this grouping.
For 2019, states not moving forward with Medicaid expansion included: Alabama, Florida, Georgia, Idaho, Kansas, Mississippi, Missouri, Nebraska, North Carolina, Oklahoma, South Carolina, South Dakota, Tennessee, Texas, Utah, Wisconsin, and Wyoming. Beginning with 2020, two states have been removed from this grouping: Idaho and Utah. Beginning with 2021, Nebraska was removed from this grouping.
Public health plan coverage includes Medicaid, CHIP, state-sponsored or other government-sponsored health plan, Medicare, and military plans. A small number of people were covered by both public and private plans and were included in both categories.
This statistic was assembled using previous releases from the same source.

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