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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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  • Mental Health Financing in the United States: A Primer

    Report

    This primer provides an overview of behavioral health care, reviews the sources of financing for such care, assesses the interaction between different payers, and highlights recent policy debates in mental health. It also discusses the role of Medicaid, currently the largest source of financing for behavioral health services in the nation, covering a quarter of all expenditures. This comprehensive resource serves as a guide for those who want to understand the complex system of behavioral…

  • Uninsured Workers in America

    Fact Sheet

    The fact sheet describes the characteristics of uninsured workers, the availability of and participation in job-based coverage, and reasons why workers are uninsured. Fact Sheet (.pdf)

  • 2003 Health Insurance Survey

    Poll Finding

    The 2003 Kaiser Family Foundation Health Insurance Survey examines the public's level of satisfaction with their insurance coverage, their expectations of health insurance, the role of costs and other factors in health insurance decision-making, and attitudes toward employer-sponsored coverage. It also explores people's opinions about several alternative health insurance plans that are currently under consideration and explores how they might respond to these new options. Summary and Chartpack Toplines

  • Ten Myths about the Uninsured

    Fact Sheet

    Lack of health insurance coverage among millions of Americans remains one of this nation’s most pressing social challenges, but one that is often not well understood. Common knowledge about who the uninsured are, why they are uninsured, the difference health coverage makes, as well as the impact on all our lives of having a large uninsured population — is riddled with misconceptions and myths. Basic facts about the uninsured, outlined here under the most common…

  • Women and Health Care: A National Profile

    Report

    A new national survey of women on their health finds that a substantial percentage of women cannot afford to go to the doctor or get prescriptions filled. Although a majority of women are in good health and satisfied with their health care, many have health problems and do not get adequate levels of preventive care. The report also examines women’s health status, health care costs, insurance, access to care, prevention, and their role in family…

  • 2008 Election Briefs

    Poll Finding

    Health care remains among the top three election issues voters want to hear the presidential candidates discuss. Kaiser's new series of election briefs frame the challenges the heath care system faces, provide basic facts, and offer questions to assess the presidential candidates' plans on key health policy issues. Check back for more issue briefs.  Eliminating Racial/Ethnic Disparities in Health Care: What are the Options  Health Care Costs and Election 2008  Women's Health and Election 2008…

  • Cost Sharing for Health Care: France, Germany, and Switzerland

    Issue Brief

    As policymakers in the United States weigh options for reform to the nation’s health care system, the level of cost sharing that consumers face when they receive services covered by their health plans is a major consideration, especially for those with serious health conditions. This background brief authored by Kaiser Family Foundation researchers examines how three European countries – France, Germany, and Switzerland – have dealt with cost sharing in their health systems. While cost…

  • Toplines — The Public’s Health Care Agenda for the New President and Congress

    Poll Finding

    Toplines -- The Public's Health Care Agenda for the New President and Congress This document contains the detailed toplines from The Public's Health Care Agenda for the New President and Congress poll. The poll involved a nationally representative random sample of 1,628 adults ages 18 and older who were interviewed by telephone between December 4 and 14, 2008. The margin of sampling error for the full sample is plus or minus 3 percentage points. For…

  • How Will The Uninsured Be Affected By Health Reform?

    Issue Brief

    This brief examines who the uninsured are and explores how they could be affected by health reform, including estimates of how many might qualify for coverage under a Medicaid expansion, how many would be eligible for subsidies and how many would not be eligible for such help. Issue Brief (.pdf)

  • Article and Policy Forum Examine Medicare, Health Reform and the Challenges Facing People With Disabilities

    Event Date:
    Event

    Wednesday, Sept. 8, the Foundation held a policy workshop examining Medicare, health reform and the challenges facing people with disabilities. Younger Medicare beneficiaries with disabilities are much more likely than seniors in the program to report problems accessing and paying for needed medical services, Kaiser Family Foundation researchers report in this Health Affairs article. Based on a national random-sample survey of people on Medicare, the study finds that half of nonelderly disabled beneficiaries report problems…