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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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  • Compare the Candidates on Health Care Policy

    Feature

    The side-by-side comparison tool provides a quick overview of former President Trump's and Vice President Harris' records, positions, public statements, and proposed policies on a range of key health care topics.

  • New KFF Focus Groups Reveal Medicaid Enrollee Experiences During Unwinding

    News Release

    Over six months after the expiration of pandemic-era enrollment protections, at least 27 million Medicaid enrollees—or roughly one-in-three enrollees across the country—have completed their state’s eligibility renewal process for the program. Over 18 million people have had their coverage renewed and over 10 million have been disenrolled, as of November 8, 2023. New KFF focus groups look beneath the numbers at the experiences of enrollees who have gone through the Medicaid renewal process. Drawing from…

  • Recent Tax Proposals to Increase Health Insurance Coverage

    Other Post

    This report includes a side-by-side analysis of recent tax proposals by Members of Congress and various health organizations designed to increase the number of individuals with private health insurance coverage. Recent Tax Proposals To Increase Health Insurance Coverage

  • 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…

  • Implementation of Managed Care Consumer Protections in Missouri, New Jersey, Texas & Vermont

    Report

    This study goes beyond the legislative debates over expanded patients' rights to explore how managed care consumer protections have actually been implemented in four states (Missouri, New Jersey, Texas & Vermont) all of which have been active in this area. The study describes the details of the reforms, the issues that have arisen in implementation, and the lessons for policymakers from the experiences of these states. An Overview/Executive summary of the full report is also…

  • Medicaid Managed Care’s Impact On Safety-Net Clinics In California

    Fact Sheet

    Medicaid Managed Care's Impact On Safety-Net Clinics In California Medicaid Managed Care's Impact On Safety-Net Clinics In California was published in the January/February 2000 issue of the journal Health Affairs. The report provides an overview of Medi-Cal Managed Care in California, and its effects on community health clinics, and related issues. In order to better understand the impact that the Medi-Cal managed care program has had on California safety-net providers, the Kaiser Family Foundation supported…

  • 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…

  • Health Centers’ Role as Safety Net Providers for Medicaid Patients and the Uninsured

    Report

    This issue paper profiles the role America's health centers have played in providing care for Medicaid patients and the uninsured. The paper presents information on health center patients and revenue sources and analyzes similarities and differences both between health centers and private practices and among health centers. These centers perform a unique role in the American health care system as nearly 85 percent of their patients are low-income and more than a third of their…