People were defined as uninsured if they did not have any private health insurance, Medicare, Medicaid, Children’s Health Insurance Program (CHIP), state-sponsored or other government-sponsored health plan, or military plan. People were also defined as uninsured if they had only Indian Health Service coverage or had only a private plan that paid for one type of service, such as accidents or dental care. This statistic was assembled using previous releases from the same source.
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Share of U.S. adults without health insurance by Medicaid expansion status 2010-2025
In 2025, a share of **** percent of U.S. adults in non-Medicaid expansion states did not have health insurance. In comparison, **** percent of U.S. adults in Medicaid expansion states were uninsured. There was a difference in the uninsured rate between these states even before Medicaid expansion, but the expansion due to the ACA has made the gap much larger.
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CDC. (May 28, 2026). Share of adults aged 18-64 years without health insurance in the United States from 2010 to 2025, by state Medicaid expansion status [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 05, 2026, from /statistics/1276715/percentage-of-us-adults-without-health-insurance-by-medicaid-expansion-status/
CDC. "Share of adults aged 18-64 years without health insurance in the United States from 2010 to 2025, by state Medicaid expansion status." Chart. May 28, 2026. ÌÇÐÄÆƽâ°æ. Accessed August 05, 2026. /statistics/1276715/percentage-of-us-adults-without-health-insurance-by-medicaid-expansion-status/
CDC. (2026). Share of adults aged 18-64 years without health insurance in the United States from 2010 to 2025, by state Medicaid expansion status. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 05, 2026. /statistics/1276715/percentage-of-us-adults-without-health-insurance-by-medicaid-expansion-status/
CDC. "Share of Adults Aged 18-64 Years without Health Insurance in The United States from 2010 to 2025, by State Medicaid Expansion Status." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 May 2026, /statistics/1276715/percentage-of-us-adults-without-health-insurance-by-medicaid-expansion-status/
CDC, Share of adults aged 18-64 years without health insurance in the United States from 2010 to 2025, by state Medicaid expansion status ÌÇÐÄÆƽâ°æ, /statistics/1276715/percentage-of-us-adults-without-health-insurance-by-medicaid-expansion-status/ (last visited August 05, 2026)
Share of adults aged 18-64 years without health insurance in the United States from 2010 to 2025, by state Medicaid expansion status [Graph], CDC, May 28, 2026. [Online]. Available: /statistics/1276715/percentage-of-us-adults-without-health-insurance-by-medicaid-expansion-status/
