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Uninsured

Data and analysis

The coverage gap exists because some states did not expand Medicaid under the ACA to cover adults under age 65 without dependent children with incomes at/below 138% of the federal poverty level (FPL)

How Many Uninsured Are in the Coverage Gap?

An estimated 1.4 million uninsured individuals in the 10 states without Medicaid expansion, including many working adults, people of color, and those with disabilities, remain in the "coverage gap," ineligible for Medicaid or for ACA tax credits that would make coverage affordable.

The Uninsured and Health Coverage

This Health Policy 101 chapter examines the share of the United States population who are uninsured, highlighting their demographics and the challenges they face because of the lack of coverage.

Key Facts on Health Coverage of Immigrants

This fact sheet provides an overview of health coverage for immigrants based on data from the 2023 KFF/LA Times Survey of Immigrants. As of 2023, half of likely undocumented immigrant adults and one in five lawfully present immigrant adults reported being uninsured.

New and noteworthy

Affordability Is the Issue Now, But Look for the Uninsured to Make a Comeback

A new column on the uninsured from President and CEO Dr. Drew Altman explains: “The uninsured is not the most politically salient problem in health care now, that’s affordability, nor is it the non-problem some say it is. But it’s coming back. And the problem of the chronically ill uninsured is glaring.” Read more.

Key Facts about the Uninsured Population

The number and share of people without insurance grew in 2024, increasing for the first time since 2019, according to KFF’s analysis of data from the American Community Survey (ACS). This issue brief describes trends in health coverage in 2024, examines the characteristics of the uninsured population , and summarizes the access and financial implications of not having coverage.

More on the uninsured population >>

Who was uninsured in 2024?

Latest Polling
9.8%

The share of people under age 65 without insurance
62%

The share of uninsured adults who said they were uninsured because coverage is not affordable
59%

The share of uninsured adults who said they or someone living with them had problems paying for health care
39%

The share of uninsured adults who reported delaying or not getting needed care or medication due to cost
Other key facts about the uninsured >>

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  • Do State Decisions to Prioritize Renewals for Medicaid Enrollees Who are Likely Ineligible Affect Early Disenrollment Rates?

    Policy Watch

    Some states are prioritizing Medicaid renewals for enrollees flagged as likely to be ineligible. Early data from Arizona, Idaho, and Pennsylvania show disenrollment rates for flagged enrollees are higher than for other enrollees. This analysis considers why different state approaches to renewals may explain some – but not all – variation in disenrollment rates across the U.S.

  • What Do the Early Medicaid Unwinding Data Tell Us?

    Policy Watch

    As states begin to unwind the COVID emergency continuous enrollment provision and resume Medicaid disenrollments, early data from a handful of states – highlighted on KFF’s regularly-updated Medicaid Enrollment and Unwinding Tracker -- reveal wide variation in disenrollment rates.

  • Section 1115 Waiver Watch: Continuous Eligibility Waivers

    Policy Watch

    The pandemic continuous enrollment provision and other research show that continuous eligibility reduces Medicaid disenrollment and “churn” rates and helps to ensure stable coverage. As many Medicaid enrollees are currently experiencing disruptions in coverage as a result of the Medicaid unwinding, a number of states are pursuing strategies to help promote continuity of coverage, including through unwinding waivers and Section 1115 demonstration waivers. This Waiver Watch summarizes approved and pending Section 1115 waivers with continuous…

  • Uninsured Are Less Satisfied

    Perspective

    Given that people without health insurance have no protection from health care costs, it is not surprising that they are much less likely to say they are satisfied with costs than those with insurance (31 percent vs. 68 percent Majorities of both the uninsured and insured report being satisfied with the quality of care they receive, but the differences are still striking. Six in ten of the uninsured say they are satisfied with their quality…

  • Access Barriers More Common Among Uninsured Women

    Feature

    Access Barriers More Common Among Uninsured Women Download Source Agency for Healthcare Research and Quality, Medical Expenditures Panel Survey, 2010. **Centers for Disease Control and Prevention, MMWR, Cancer Screening- US, 2010, 2012.

  • Strategies in 4 Safety-Net Hospitals to Adapt to the ACA

    Issue Brief

    This brief examines four safety-net hospitals to learn how they were preparing for the full implementation of the Affordable Care Act (ACA), in order to gain additional insight into the strategies being used and challenges being faced among safety-net hospitals across the country.

  • The Growth of Managed Care: Are Women Getting What They Need?

    Fact Sheet

    How the Changing Health Care Marketplace Affects Coverage and Access to Reproductive Health A fact sheet, Q&A and resource list prepared for a media briefing held in New York on March 27, 1996. The purpose of the briefing was to respond to questions about how reproductive health services are currently delivered in managed care systems and to explore the implications of the growing managed care environment for women's ability to get the reproductive health care…