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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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  • How Are Safety Net Hospitals Responding to Health Care Financing Changes?

    Report

    A new background report sums up how multiple trends have led to a situation where safety net hospitals are feeling more financial pressure and are challenged to subsidize the unprofitable care of theuninsured. Background Paper For a more extensive discussion read our larger report from the same study.

  • NPR/Kaiser/Harvard Survey: Public Views on SCHIP Reauthorization

    Poll Finding

        This October 2007 survey conducted jointly by NPR, the Kaiser Family Foundation, and the Harvard School of Public Health examines the public’s views and opinions of the State Children’s Health Insurance Program (SCHIP) and the pending legislation surrounding its reauthorization. The survey assesses the public’s familiarity with the SCHIP debate, whether or not they support the renewal and expansion of the program, and who they believe should be eligible for health coverage through…

  • Medicaid and State Budgets: An October 2001 Update

    Report

    An update to "Medicaid Budgets Under Stress: Survey Findings for State Fiscal Year 2000, 2001, and 2002." This paper was commissioned to evaluate how several states' fiscal outlooks have changed since September 11. ISSUE BRIEF Download FULL REPORT Download

  • Racial/Ethnic Differences in Cardiac Care: The Weight of the Evidence

    Fact Sheet

    Numerous studies over the past two decades have documented racial and ethnic differences in care for heart conditions. To assess the quality of the evidence and to summarize the information for a physician audience, the Henry J. Kaiser Family Foundation collaborated with the American College of Cardiology Foundation to review the body of research on racial/ethnic differences in cardiac care. There is credible evidence that minority patients are less likely than white patients to receive…

  • NPR/Kaiser Family Foundation/Harvard Kennedy School of Government Survey on Health Care – Chart Pack

    Poll Finding

    New NPR/Kaiser Family Foundation/Harvard Kennedy School of Government Survey on Health Care A new survey by NPR, the Kaiser Family Foundation, and Harvard s Kennedy School of Government finds that many Americans have real problems when it comes to accessing and paying for health care, and even if they haven't yet faced a problem, many worry about getting and paying for care in the future. The survey also shows that, while people think helping seniors…

  • New Kaiser Survey Finds Eleven Million Newly Insured Adults As of Mid-December, But Nearly Half Who Remained Uninsured One Year After Full Implementation of the Affordable Care Act Were Eligible for Medicaid or Marketplace Tax Credits

    News Release

    Many Of The Remaining Uninsured Say They Didn’t Seek Coverage or Considered It Too Expensive, While Others Were Told (Or Believed) They Were Not Eligible About 11 million adults had become newly insured under the Affordable Care Act by mid-December 2014, according to a new national survey of more than 10,000 adults by the Kaiser Family Foundation.  Nearly half of the approximately 30 million adults who remained uninsured were eligible for assistance under the law,…

  • 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…

  • The Uninsured And The Difference Health Insurance Makes

    Fact Sheet

    This fact sheet describes the characteristics of the uninsured and explains the recent increase in this population. It also examines the difference that health insurance can make and how health reform is expected to cover millions more people.