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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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  • Medicaid Support for Family Planning in the Managed Care Era

    Report

    As the largest source of public funding for contraceptive care in the United States, Medicaid plays a crucial role in financing family planning services and supplies for millions of low-income women across the nation. In the past 15 years, managed care has become the primary way of delivering care to children and adults on Medicaid, a development which has had significant implications for how family planning services are financed, organized and delivered under Medicaid. This…

  • New Incentive for States to Adopt the ACA Medicaid Expansion: Implications for State Spending

    Issue Brief

    The American Rescue Plan Act of 2021 encourages non-expansion states to take up the expansion by providing an additional temporary fiscal incentive for states to newly implement the ACA Medicaid expansion. This brief provides illustrative estimates of the net fiscal benefit to states from these incentives relative to state costs under the expansion.

  • Women’s Health Data Book: A Profile of Women’s Health in the United States

    Fact Sheet

    The Women's Health Data Book: A Profile of Women's Health in the United States, offers the latest data and trends on the wide range of health issues that affect women across their life spans. Published by the Kaiser Family Foundation and the Jacobs Institute of Women's Health, the Data Book is edited by Dawn Misra, Ph.D. This book addresses social and economic factors and provides up-to-date information on chronic conditions, reproductive health, mental health, violence,…

  • Filling an Urgent Need: Improving Children’s Access to Dental Care in Medicaid and SCHIP

    Report

    In October 2007, the Foundation’s Kaiser Commission on Medicaid and the Uninsured and the National Academy for State Health Policy convened a day-long meeting of policy officials and oral health experts to discuss children’s access to dental care in Medicaid and the State Children’s Health Insurance Program (SCHIP) and exchange information and perspectives on the strategies have worked best to improve it. This report summarizes the 15 experts recommendations on a wide assortment of effective…

  • Medicare Beneficiaries: A Population At Risk – Findings from the Kaiser/Commonwealth 1997 Survey of Medicare Beneficiaries

    Other Post

    Medicare Beneficiaries: A Population at RiskFindings from the Kaiser/Commonwealth Fund 1997 Survey of Medicare Beneficiaries Charts for Medicare Beneficiaries: A Population at Risk Part 2 Cathy Schoen, Patricia Neuman, Michelle Kitchman, Karen Davis, and Diane RowlandDecember 1998 Table Of Contents List of Charts Chart 16 Problems Paying Medical Bills, by Health and Functional Status Chart 17 Medicare Beneficiaries Experiencing Access or Cost Difficulties, by Poverty Status, Health Status, Age Group, and Functional Status Chart 18…

  • Managed Care And Low-Income Populations: A Case Study of Texas

    Report

    This study is part of a larger initiative, funded by both the Henry J. Kaiser Family Foundation and The Commonwealth Fund. Case studies of seven states that are restructuring their health care systems for the Medicaid and uninsured populations: California, Florida, Minnesota, New York, Oregon, Tennessee, and Texas, are designed to provide early insights and timely analyses that will help states and other efforts shape rapidly evolving managed care systems and health reform programs for…

  • Medicaid’s Disabled Population and Managed Care

    Fact Sheet

    Medicaid's Disabled Population and Managed Care This fact sheet highlights the key facts about the Medicaid managed care programs that serve persons with disabilities. It describes the Medicaid disabled population and the role managed care plays in serving them. It also provides information on enrollment in managed care, program features, and issues such as quality assurance, rate setting, and benefits. Fact Sheet

  • Oral Health in the U.S.: Key Facts

    Fact Sheet

    This fact sheet provides data on oral health care coverage and access for children, nonelderly adults and Medicaid beneficiaries, including state-by-state data on measures such as the share of adults who have had a dental visit within the past year. Fact Sheet (.pdf)

  • Health Care and the Middle Class: More Costs and Less Coverage

    Report

    This analysis paper examines the availability, affordability and stability of the health insurance coverage of the American middle class, defined as those with incomes of $44,000 to $88,000 for a family of four. It also addresses the growing burden of health care costs for the middle class, the adequacy of today's health insurance plans to protect them from large medical bills, and the difference both make as individuals and families make health care decisions for…