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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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  • The Kaiser Project on Incremental Health Reform

    Other Post

    In November 1996, the Kaiser Family Foundation initiated a project to examine different strategies for expanding health insurance coverage to America's growing uninsured population. The Foundation asked two leading health policy experts with experience in Democratic and Republican leadership roles, Judith Feder and Sheila Burke, to direct the project's work in considering and evaluating the potential for, and likely impact of, alternative incremental reform options. This continuing effort has made important contributions to the public…

  • Insurance Market Reforms and the Individual Insurance Marketplace: Implications for Coverage Expansions

    Report

    Proposals that attempt to expand coverage in the private individual insurance market will only work if private insurance is available and affordable. This paper describes how the current individual marketplace will affect the ability of such proposals to assure equitable access to affordable coverage. This paper is part of the Kaiser Incremental Health Reform Project. Issue Paper

  • Medicaid and Managed Care: Implications for Low-income Women

    Report

    This commentary reviews Medicaid's role for low-income women and examines the implications Medicaid managed care on the delivery of health services to this vulnerable population. Today 40% of the Medicaid population, mostly poor women and their children, is enrolled in managed care. Medicaid agencies are hoping managed care will control spending and address longstanding problems with access to care. Low-income women have a number of characteristics that make them doubly vulnerable to have trouble accessing…

  • Pending Patient Protection Legislation

    Other Post

    : A Comparative Analysis of Key Provisions of the House and Senate Versions of H.R. 2990 was prepared for the Kaiser Family Foundation by Phyllis Borzi and Sara Rosenbaum of the Center for Health Services Research and Policy, The George Washington University Medical Center. The report provides a side-by-side comparison of the patient protection provisions in the differing versions of H.R. 2990 passed by the Senate and the House of Representatives in 1999, which are…

  • Table

    Other Post

    SUMMARY OF CALIFORNIA VERSUS THE U KEY HEALTH CARE FACTS IN CALIFORNIA AND THE U.S. California U.S. Percentage uninsured (non-elderly) (1998) 24.4% 18.3% Percentage of children uninsured (1998) 20.8% 15.5% Percentage of non-elderly enrolled in Medicaid: 1998 11.1% 8.4% 1994 14.3% 10.0% Percentage of employers that offer health insurance (1999) 48% 61% Percentage of workers with access to coverage for "non-traditional" partners (1999) 31% 18% Average monthly HMO premium for family coverage (1999) $405 $445…

  • The Future of Retiree Health Benefits: Challenges and Options

    Event Date:
    Event

    Tricia Neuman, Vice President and Director of the Medicare Policy Project testified before the House Subcommittee on Employer-Employee Relations on retiree health coverage for older Americans. The statement describes the health needs of aging adults and the importance of health insurance coverage at a time in their lives when they face increasing health problems. It then reviews insurance challenges facing both early retirees, as well as retirees who are 65 and older, against the backdrop…

  • Statewide Surveys of Californians on Public Attitudes Toward the Single Payer Ballot Initiatives (Proposition 186)

    Other Post

    California Election Night Survey On Ballot Initiatives Anti-government Mood Defeats Proposition 186 A Perception That Undocumented Persons Use Costly Services Drives Vote For Proposition 187 Embargoed for release: 12:00 p.m. EST, Tuesday, November 15, 1994 For more information contact: Matt James or Tina Hoff Menlo Park, CA -- A Kaiser/Harvard survey of Californians in the 1994 election has found that the principal reason voters rejected Proposition 186, the state single payer initiative, was their concern…

  • Children Discharged from Foster Care:  Strategies to Prevent the Loss of Health Coverage at a Critical Transition

    Report

    This report discusses the importance of maintaining health coverage for children who are discharged from foster care and presents strategies that state child welfare and Medicaid agencies can employ to reach this goal. In addition, the report also addresses the needs of children who age out of the foster care system at age 18, and discusses state options to expand health coverage to this group. Report

  • The Impact of Manged Care Legislation: An Analysis of Five Legislative Proposals from California – Report

    Report

    The Impact of Managed Care Legislation: An Analysis of Five Legislative Proposals from California Health Policy Economics GroupPrice Waterhouse LLP November, 1997 Executive Summary Managed care has grown tremendously in recent years. From 1988 to 1997, at firms with 200 or more employees, the proportion of employees enrolled in HMOs nationwide increased from 18 percent to 33 percent. The presence of managed care varies by state across the country but is particularly strong in California…