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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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  • Emergency Departments Under Growing Pressure

    Issue Brief

    This issue brief relies on interviews with practicing clinicians to explore the impact of the recession on hospital emergency departments that are under growing pressure as patient volume increases, health coverage declines and medical costs present new challenges to unemployed families. Issue Brief (.pdf)

  • Health Care After the Supreme Court Decision: What’s Next?

    Event Date:
    Event

    The Alliance for Health Reform and the Kaiser Family Foundation discuss the recent Supreme Court ruling on the constitutionality of the health reform law. Panelists explore such questions as: What does the court's ruling mean for those without health insurance? Will states that choose to participate in the Medicaid expansion be ready to cover nearly all non-disabled adults under age 65 with household incomes at or below 133 percent of the federal poverty level as…

  • National Council of Jewish Women features article on “Diagnosing Women’s Health Care”

    Other Post

    National Council of Jewish Women features article on “Diagnosing Women’s Health Care” Kaiser Vice President and Director of Women's Health Policy, Alina Salganicoff, authored an article titled "Diagnosing Women’s Health Care" featured in the National Council of Jewish Women's magazine, NCJW Journal, volume 29. The article highlights the special challenges that many women face in affording and accessing comprehensive health care in the U.S. It discusses the state of women's health coverage, emerging issues for…

  • Eroding Access among Nonelderly Adults with Chronic Conditions: Ten Years of Change

    Report

    A Kaiser study published as a Health Affairs web-exclusive article finds the number of working-age adults who have major chronic conditions grew by 25 percent between 1997 and 2006 and those without health coverage in this group experienced substantial erosion in access to health care. The study also reveals that finds the cost of prescription drugs more of a problem today for all with chronic conditions, regardless of insurance coverage status. Health Affairs Abstract Health…

  • How Will Uninsured Parents Be Affected By Health Reform?

    Issue Brief

    This brief examines uninsured parents and how they could be affected by health reform, including estimates of how many might qualify for coverage under a Medicaid expansion, how many would be eligible for subsidies and how many would not be eligible for such help. Issue Brief (.pdf)

  • Building an Express Lane Eligibility Initiative: A Roadmap of Key Decisions for States

    Issue Brief

    The Children's Health Insurance Program Reauthorization Act of 2009 (CHIPRA) provides states new options to reach and enroll the estimated 5 million eligible but uninsured low-income children into Medicaid and CHIP. One key tool provided to states by the law is Express Lane Eligibility (ELE), which allows state Medicaid and CHIP agencies to borrow and rely on eligibility findings from other need-based programs, such as Head Start and the National School Lunch Program, to determine…

  • The New Review and Approval Process Rule for Section 1115 Medicaid and CHIP Demonstration Waivers

    Fact Sheet

    For many years, Section 1115 waivers have been used in the Medicaid program to provide states an avenue to test and implement coverage approaches that do not meet federal program rules, but there have been longstanding concerns about the lack of public input and transparency in the waiver approval process. As a result, the Affordable Care Act required the Department of Health and Human Services to issue regulations designed to ensure that the public has…

  • Retiree Health Trends and Implications of Possible Medicare Reforms – Fact Sheet

    Fact Sheet

    Retiree Health Trends And Implications Of Possible Medicare Reforms September 1997 Approximately 12 million of Medicare's 39 million beneficiaries receive employer-sponsored retiree health benefits as a supplement to their Medicare coverage. In addition, millions of retired workers under age 65 rely on retiree health benefits as their primary source of health insurance coverage. While employer-sponsored health insurance is an important source of coverage for current retirees, health benefits for future retirees are uncertain. Retiree Health…

  • Pulling It Together: Jobs, A Reason to Fast Track Coverage

    Perspective

    The two big topics in Washington right now are the economy and health care.  I've written before about how the two are linked, and in particular about how among the everyday economic problems people are having, paying for health care is a big one. But the latest numbers out from the Bureau of Labor Statistics show there is another link: Health care is one of the few relatively healthy parts of our unhealthy economy right now. Since…