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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 Trends in the Health Care System Affect Low-Income Adults: Identifying Access Problems and Financial Burdens

    Issue Brief

    As policymakers focus on strategies to improve health insurance coverage, this brief highlights findings from the Kaiser Low-Income Coverage and Access Survey on the current role that insurance plays in facilitating access to care for low-income adults and in protecting against financial burdens. Findings demonstrate that health insurance is a critical lever to open the door to health care services for low-income adults. Uninsured low-income adults often experience health problems, but are more likely than…

  • Reports and Other Resources on Trends in Children’s Health Coverage

    Event Date:
    Event

    With Congress poised to reauthorize the State Children's Health Insurance Program (SCHIP) with a substantial increase in its federal funding, there are potentially new opportunities for reducing the estimated 9 million uninsured children nationwide. At the same time, the nation’s weak economy and growing unemployment is resulting in fewer families and children covered by employer-sponsored coverage. Against that backdrop, the Kaiser Family Foundation's Commission on Medicaid and the Uninsured (KCMU) released a package of new…

  • Impact of Coronavirus on Community Health Centers

    Issue Brief

    Community health centers are a national network of safety net primary care providers that fill an important role in national, state, and local responses to the coronavirus pandemic. This brief presents findings from new data that provide insights into how health centers are adapting their services in response to the pandemic and how coronavirus is affecting their operations and long-term financial outlook with patient visits and revenue from those visits dropping precipitously.

  • Options for Expanding Health Insurance Coverage: Report on a Policy Roundtable

    Report

    This paper is a summary of a 1999 policy conference, The Kaiser Incremental Health Reform Project, which highlighted both the policy and politics of incrementalism. This paper identifies issues and tradeoffs associated with alternative approaches to expanding health insurance coverage-including enactment and implementation of CHIP and further coverage expansions through public programs and tax credits for the purchase of private health insurance. ISSUE BRIEF Download

  • 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

  • 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 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…

  • Long-Term Care:  Medicaid’s Role and Challenges

    Issue Brief

    Long-Term Care: Medicaid's Role and Challenges This Policy Brief examines Medicaid's role in providing long-term care services. It describes long-term care services, the population that needs these services, and how people get long-term care services. It provides an overview of health insurance coverage of persons with long-term care needs and describes both Medicare's and Medicaid's role in providing these services. It also examines some of the policy issues and challenges involved in providing long-term care…