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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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  • Immigrants and Health Coverage:  A Primer

    Issue Brief

    Immigrants and Health Coverage: A Primer A major challenge facing many immigrants is lack of health insurance coverage. This primer provides an introduction to some of the questions surrounding immigrants and health insurance coverage. Issue Brief (.pdf)

  • The Changing Medicaid Managed Care Market

    Report

    Trends in Commercial Plans' Participation This background paper analyzes the trends in commercial plan participation in the Medicaid market by using a database specifically designed for this purpose. It examines changes from mid-1996 to mid-1997 in the types of full-risk plans serving Medicaid Beneficiaries. It also looks at trends through mid-1998 for the 15 states with the largest number of Medicaid enrollees. Background Paper: : Trends in Commercial Plans' Particpation

  • Enrollment Increases in State CHIP Programs: December 1998 to June 1999

    Report

    A new survey of state officials, conducted by Vernon Smith of Health Management Associates for the Kaiser Commission on Medicaid and the Uninsured, found that the number of children enrolled in stateCHIP programs has grown to more than 1.3 million in June 1999 from about 835,000 in December 1998. The survey was released at the July 30th Alliance for Health Reform Briefing on state efforts to enroll more kids in the Children's Health Insurance Program.…

  • Uninsured 101

    Other Post

    What You Really Need to Know About an American Dilemma This briefing, co-sponsored by the Alliance for Health Reform and the Kaiser Family Foundation, provides key information on one of the critical issues facing the nation. Since 1991, the Alliance has organized scores of forums in Washington, presenting a wide range of expert views to legislative staff, journalists, policy analysts and advocates. Led by Democratic Senator Jay Rockefeller of West Virginia and Republican Senator Bill…

  • Navigating Medicare and Medicaid: A Resource Guide for People with Disabilities, Their Families, and Their Advocates

    Report

    Navigating Medicare and Medicaid: Resource Guides for People with Disabilities, Their Families, and Their Advocates These guides explain the critical role Medicare and Medicaid have come to play in the lives and the futures of roughly 20 million children, adults, and seniors with disabilities - and give people with disabilities new information to help them get the most from these programs. Navigating Medicare and Medicaid, 2005 Keeping Medicare and Medicaid When You Work, 2005

  • What Happens When Public Coverage Is No Longer Available?

    Issue Brief

    This policy brief examines national data to determine the share of current enrollees of public health coverage programs who would have alternate coverage options if public coverage were no longer available. The authors estimate that no more than 9 percent of low-income adults would have access to an alternative source of insurance in the absence of public coverage. This research suggests that the vast majority of current enrollees affected by cutbacks in eligibility for public…

  • Cover the Uninsured Week 2006 – Kaiser Family Foundation Resources

    Fact Sheet

    May 1-7, 2006, is Cover the Uninsured Week, organized by The Robert Wood Johnson Foundation and several partner organizations. The Kaiser Family Foundation has a wide range of resources on the topics of health coverage and the nation's uninsured population to assist you in your work related to these issues. The Robert Wood Johnson Foundation launches the Week at a May 2 event in Washington, D.C. Webcast Fact Sheets & Primer The Uninsured and Their…

  • Health Insurance Coverage and Access to Care for Low-Income Non-Citizen Children

    Issue Brief

    Largely due to a high uninsured rate, low-income, non-citizen children have very poor access to care, with many lacking a regular provider and going without preventive care. This brief examines health coverage and access to care for low-income, non-citizen children to provide insight into the challenges they face in obtaining health insurance and accessing care. Issue Brief (.pdf)

  • President Obama’s Campaign Position on Health Reform and Other Health Care Issues

    Issue Brief

    During the 2008 Presidential campaign now President Barack Obama announced a comprehensive health care reform proposal and laid out his positions on a number of other key health care issues. The two documents below summarize these campaign policies and positions. They were prepared by the Kaiser Family Foundation with the assistance of Health Policy Alternatives, Inc., and are based on information compiled from Obama's campaign Web site, speeches, campaign debates and news reports. They are…