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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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  • Health Care Reform: The Long Term Care Factor

    Other Post

    Health Care Reform: The Long Term Care Factor Note: This publication is no longer in circulation. However, a copy may still exist in the Foundation's internal library that could be reproduced. Please email order@kff.org if you would like to pursue this option.

  • Native Americans and Medicaid: Coverage and Financing Issues

    Other Post

    Native Americans and Medicaid:Coverage and Financing Issues Medicaid and Welfare Until 1996, families with children who received cash assistance under the Aid to Families with Dependent Children (AFDC) program were automatically entitled to Medicaid coverage. The welfare law enacted that year, Public Law 104-193, repealed the AFDC program and created a Temporary Assistance for Needy Families (TANF) block grant to the states. The 1996 welfare law also severed the automatic eligibility linkage between welfare and…

  • Medicaid Managed Care for Persons With Disabilities: State Profiles-2114

    Report

    Medicaid Managed Care for Persons With Disabilities: State Profiles This report provides state estimates of the number of Medicaid disabled enrolled in managed care and profiles these programs. It provides detailed comparative state information on enrollment, program features, rate setting, quality issues, and special enrollment features for the disabled in Medicaid managed care. It also highlights individual state profiles on the Medicaid managed care programs that include persons with disabilities. Report

  • Cover the Uninsured Week 2004 – Kaiser Family Foundation Resources

    Other Post

    May 10 - 16, 2004 is Cover the Uninsured Week. This week, organized by The Robert Wood Johnson Foundation, was developed to focus the nation’s attention on America's uninsured population. On May 5, 2004, the Robert Wood Johnson Foundation launched Cover the Uninsured Week at an event in Washington, DC. Webcast: Cover the Uninsured Week Launch On May 10, 2004, The Kaiser Commission on Medicaid and the Uninsured is sponsoring a breakfast briefing, "The Cost…

  • Health Care Agenda for the New Congress – Chartpack

    Poll Finding

    This chartpack provides key findings from the survey of the public's attitudes regarding the health care agenda for Bush's second term and the new Congress in 2005. It assesses the relative priority placed on health-care concerns by the American public and also provides insight into public opinion on key issues likely to face the new Congress, such as implementing the Medicare drug law, controlling health care costs, reducing the nation’s uninsured population and reforming the…

  • How Could the Build Back Better Act Affect Uninsured Children?

    Issue Brief

    This brief examines characteristics of uninsured children in 2020 and discusses how current policy proposals, including outreach efforts, continuous eligibility requirements, and closing the coverage gap, could affect children’s health coverage. Recent efforts to expand coverage for adults could benefit children’s coverage, especially for children in non-expansion states if the coverage gap is filled as proposed by the Build Back Better Act (BBBA).

  • More Than 6 in 10 of the Remaining 27.4 Million Uninsured People in the U.S. are Eligible for Subsidized ACA Marketplace Coverage, Medicaid or the Children’s Health Insurance Program

    News Release

    Recent policy attention has focused on efforts to reduce the number of uninsured people in the U.S. by expanding eligibility for coverage assistance, including enhanced premium subsidies in the Affordable Care Act (ACA) Marketplace and filling the Medicaid “coverage gap.” A new KFF analysis shows that a majority of the 27.4 million people who remained uninsured in 2020 already are eligible for financial assistance for coverage through Medicaid/CHIP or the Marketplace, suggesting that policies in…