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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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  • 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…

  • Medical Care Research and Review

    Other Post

    Journal Supplement This special supplement of includes: original research tracking trends in disparities in health coverage and access to care over two decades; literature syntheses focused on medical treatment and the decision-making process; legal analysis of civil rights laws in the context of managed care; and findings from a national survey of public awareness of racial inequities in care. The supplement is comprised of work commissioned by the Foundation for its 1999 national policy roundtable,…

  • Targeting Medicare Drug Benefits: Costs and Issues

    Report

    This report, written by Marilyn Moon and Matthew Storeygard of the Urban Institute, estimates the potential cost of targeting drug benefits to low-income Medicare beneficiaries and those with catastrophic drug expenses and discusses some of the key programmatic issues that could arise under this approach. The authors predict that a targeted and comprehensive drug benefit would likely help more than half of the 11.3 million low-income beneficiaries who lack drug coverage through Medicaid or an…

  • Critical Choices In Health Reform

    Other Post

    A pamphlet describing the key issues in the 1994 national debate over health reform, including a review of the legislative approaches being considered and the pros and cons associated with the proposals.

  • 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…

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

    Other Post

    Kaiser/Harvard National Survey Of Americans' View On Managed Care Introduction:Hello, my name is _________________ and I'm calling for Princeton Survey Research. I'd like to ask a few questions of the Youngest Male age 18 or older, who is now at home. (If No Male At Home Now : Then, may I speak with the OLDEST FEMALE age 18 or older who is now at home) (Repeat Introduction If Respondent Did Not Answer The Telephone) .…

  • Health Care Reform: The Long Term Care Factor

    Other Post

    Health Care Reform: The Long Term Care Factor Note: This publication is no longer in circulation. However, a copy may still exist in the Foundation's internal library that could be reproduced. Please email order@kff.org if you would like to pursue this option.

  • Warning: Inadequate Low-Income Subsidy Design Can Cause Problems for Health Care Reform

    Other Post

    Warning: Inadequate Low-Income Subsidy Design Can Cause Problems for Health Care Reform This report examines potential adverse consequences of low-income subsidy systems contained in the leading health care reform approaches including: work disincentives as a result of high marginal taxrates; employer incentives to drop coverage; and loss of coverage due to budgetary control mechanisms. Note: This publication is no longer in circulation. However, a copy may still exist in the Foundation's internal library that could…