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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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  • Navigating Medicare and Medicaid, 2005: A Resource Guide for People with Disabilities, Their Families, and Their Advocates

    Report

    This guide explains 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 gives people with disabilities new information to help them get the most from these programs. Full PDF Report (.pdf) Section 1: Introduction HTML PDF Section 2: Medicare HTML PDF Section 3: Medicaid HTML PDF Section 4: Interaction Between Medicare and Medicaid HTML PDF

  • Health Care Costs Survey

    Poll Finding

    This comprehensive survey from USA Today, the Kaiser Family Foundation, and the Harvard School of Public Health examines how Americans are being affected by health care costs. The survey includes information on the barriers health care costs pose to obtaining medical care and the alternative measures people take to lower their medical and prescription drug bills. The is based on a nationally representative sample of 1,531 adults ages 18 years and older, conducted between April…

  • Threadbare:  Holes in America’s Health Care Safety Net

    Report

    Threadbare: Holes in America’s Health Care Safety Net This report describes the impact of coverage gaps in our safety net through the perspectives of those who provide care to the uninsured and first-hand accounts of the uninsured who are seeking care. Report (.pdf)

  • Health Centers Reauthorization: An Overview of Achievements and Challenges

    Report

    This report reviews the role of community health centers in the nation's health care safety net. Today, over 1,000 federally funded and “look-alike” health centers serve 14.3 million people, three-quarters of whom are uninsured or covered by Medicaid. As health centers look toward legislative reauthorization in 2006, they face several policy challenges reviewed in this report, including an increase in the uninsured populations, potential decreases in Medicaid revenue, and a need to increase health centers'…

  • March 30, 2006 Policy Forum to Release the National ADAP Monitoring Report

    Event Date:
    Event

    The National ADAP Monitoring Report provides the latest data on state AIDS Drug Assistance Programs (ADAPs). ADAPs, authorized under Title II of the Ryan White Comprehensive AIDS Resources Emergency (CARE) Act, provide HIV/AIDS-related prescription drugs to uninsured and underinsured individuals living with HIV/AIDS. ADAPs operate in 57 U.S. states, territories, and associated jurisdictions. The report, the tenth in an annual series, was prepared by the Kaiser Family Foundation and the National Alliance of State and…

  • Voices of the Storm: Health Experiences of Low-Income Katrina Survivors

    Report

    This report provides key findings from interviews with low-income Katrina survivors about their health care experiences after the storm to provide insight into how they fared and to highlight ways to improve the response to this and future disasters. The report also includes several in-depth, individual profiles of survivors’ health care experiences and highlights some specific experiences of individuals with HIV/AIDS. The report is based on in-person interviews conducted with more than 40 survivors and…

  • Health Coverage for Low-Income Americans:  An Evidence-Based Approach to Public Policy

    Report

    Health Coverage for Low-Income Americans: An Evidence-Based Approach to Public Policy This report offers an evidence-based framework for developing public policy approaches to covering low-income Americans. The first part of the report is devoted to the question: What is the role for publicly sponsored health insurance? The second part turns to seven central issues in structuring a publicly sponsored health insurance program for the low-income population. The report outlines each of these issues, provides a…

  • Uninsured Children in the South, December 2007

    Report

    Uninsured Children in the South, December 2007 Commissioned by the Foundation, this report by the Southern Institute on Children and Families provides state-by-state estimates of uninsured children in the southern region of the country, which contains 17 states and the District of Columbia. The report contains fact sheets showing estimates of uninsured children for each of these states and shows that nearly half (46%) of the over nine million uninsured children in the United States…

  • Pulling It Together: The “R” Word Is Back

    Perspective

    Longer ago than I care to admit, I got my start in health policy at M.I.T. when I wrote a book about health care regulation. The book was about a long forgotten attempt to rationalize the health care system through an elaborate health planning program set up in the seventies under the National Health Planning and Resources Development Act. It established a system of federal, state and regional planning bodies to control health care costs by limiting the supply of…

  • How Does Health Coverage and Access to Care for Immigrants Vary by Length of Time in the U.S.?

    Issue Brief

    This analysis, based on data from the 2007 Health Tracking Household Survey, examines how health coverage and access to care for non-elderly adults vary based on immigrants’ length of time in the U.S. and between immigrants, second generation Americans and third generation and higher Americans. It also identifies the primary factors contributing to lower health coverage rates and greater access barriers among immigrants. While, overall, immigrants have a high uninsured rate and face greater access…