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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 >>

Latest News

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  • Pulling it Together: Health Reform’s Six-Month Checkup

    Perspective

    Six months after its enactment, there are two totally different stories to tell about the health-reform law. The public remains split on the law largely along traditional partisan lines. Confusion and misperception are rampant, with more than a third of seniors still thinking the law contains "death panels" (it does not). Yet beneath the political battle lies a success story of early implementation: The federal government that many regard as sluggish and ineffective has turned…

  • 50 Million Uninsured: The Faces Behind the Headlines

    Event Date:
    Event

    Almost 50 million Americans lacked health insurance in 2010 -- about a million more than in 2009. Who are the uninsured? Why do so many Americans lack coverage? What are the trends in coverage among different segments of the population? What do these trends mean for the health care system and the costs of care? This briefing, co-sponsored by the Alliance for Health Reform and the Kaiser Family Foundation's Commission on Medicaid and the Uninsured,…

  • 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…

  • Highlights of Kaiser Family Foundation Resources on the Uninsured

    Poll Finding

    With the upcoming U.S. Census Bureau release of 2007 health insurance coverage data, the Foundation has compiled some key resources about the nation’s uninsured population and related health policy issues. Key Resources Five Basic Facts on the Uninsured The Uninsured: A Primer Health Insurance Coverage in America Chartbook, 2006 States Moving Toward Comprehensive Health Care Reform – Interactive Map 2008 Presidential Candidate Health Care Proposals: Side-by-Side Summary Separating the Forest from the Trees in the…

  • Update on Individual Health Insurance

    Report

    This report provides information about the individual health insurance market using data from the largest vendor of this type of insurance, eHealthInsurance. The report includes who is buying individual insurance, what they are actually paying for the insurance, and buying patterns. It is the first in an up-coming series of reports jointly produced by the Kaiser Family Foundation and eHealthInsurance to provide trend information in such areas of interest as premiums and cost sharing, and…

  • Policy and Political Implications of the Supreme Court Case on the Affordable Care Act

    Event Date:
    Event

    This webcast features a Kaiser Family Foundation briefing held on March 14, 2012, examining the policy and political implications of the pending U.S. Supreme Court case on the Affordable Care Act (ACA). At the briefing, the Foundation released new polling data on the public’s views about the case as well as their more general views about the health reform law. Participants included: Kaiser President and CEO Drew Altman (moderator)Joe Onek, Principal, The Raben Group Sheila…

  • Pulling It Together: Moving Away From Employer Based Coverage: Don’t Forget Public Opinion

    Perspective

    One of the underlying big issues in the unfolding health reform debate is whether most Americans should continue to get insurance through work where they get it today, or purchase it themselves in the individual private health insurance marketplace. Senator McCain promotes moving to individual insurance and having individuals rather than employers make coverage decisions, as has President Bush.  But this is not only a conservative idea.  Many on the liberal side -- such as…

  • Next Steps in Covering Uninsured Children: Findings from the Kaiser Survey of Children’s Health Coverage

    Issue Brief

    This issue brief provides key findings from the Kaiser Survey of Children's Health Coverage, including that many low- and middle-income working families with an uninsured child do not have access to employer-sponsored health insurance. The telephone survey of parents that was conducted in 2007 to learn more about children’s access to coverage and care and the health care cost-related pressures facing their families. Issue Brief (.pdf)

  • Pulling it Together: The People Behind The Entitlement Debate

    Perspective

    Well before we have any clarity on the impact of the election on health reform, the pundits are handicapping the prospects of efforts to make a serious dent in the national debt and deficit.  Three national commissions are hammering out recommendations for reducing the debt and reining in entitlement spending, putting two giant health programs that serve the elderly, disabled and low-income Americans, Medicaid and Medicare, as well as Social Security, in the crosshairs of…