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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 >>

Data and analysis

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.

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 tax credits that would make ACA coverage affordable to them.

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.

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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  • What Are the Latest Trends in Medicaid? Results from a 50-State Medicaid Budget Survey for State Fiscal Years 2018 and 2019 at a Forum with the National Association of Medicaid Directors  

    Event Date:
    Event

    On Oct. 25, 2018, KFF released its 18th annual 50-state Medicaid budget survey for state fiscal years 2018 and 2019. KFF and the National Association of Medicaid Directors (NAMD) held a joint briefing to discuss trends in enrollment and spending and highlight key policy developments at a time when the majority of states are focused on quality and outcomes while some are pursing policies that could restrict Medicaid coverage. The survey provides new information and data…

  • 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…

  • How Non-Group Health Coverage Varies With Income

    Report

    With some federal and state policy makers considering ways to encourage more people to purchase non-group, or individual, health care coverage, this new analysis by Kaiser Family Foundation researchers examines how often people at different income levels buy such coverage when they do not have access to employer coverage or do not obtain public coverage. The analysis finds that relatively few people at lower incomes purchase non-group coverage, with one in 20 purchasing it among…

  • Primers on Key Health Care Topics and Programs

    Issue Brief

    The Kaiser Family Foundation maintains a number of primers providing overviews of key health care programs and issues. Written by Foundation staff, each primer provides key data and information that helps illustrate the topic and its relevance for the nation's health care system. Medicaid: A Primer Medicare: A Primer The Uninsured: A Primer Health Care Costs: A Primer How Private Health Coverage Works: A Primer Mental Health Financing in the United States: A Primer The…

  • 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…

  • Health Care In New Orleans: Progress and Remaining Challenges

    Event Date:
    Event

    On Dec. 3, 2009, Diane Rowland, the Foundation Executive Vice President and Executive Director of the Kaiser Commission on Medicaid and the Uninsured, delivered this testimony on the post-Katrina recovery efforts to restore health care to the New Orleans area before the U.S.House Committee on Oversight and Government Reform. Testimony (.pdf)

  • Building an Information Technology Foundation for Health Reform: A look at Recent Guidance and Funding Opportunities

    Issue Brief

    The major coverage provisions in the Affordable Care Act (ACA) go into effect in January 2014 with an expansion of Medicaid eligibility to nearly all individuals under 138% of poverty and new subsidies for individuals with incomes between 138% and 400% of poverty to purchase coverage in newly established Health Insurance Exchanges. The ACA envisions a streamlined and simplified application process with seamless transitions between coverage in the Exchange and Medicaid. Using a web portal,…

  • Controlling Health Insurance Premiums: Perspectives from the States, the Federal Government and Industry

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    Event

    The Affordable Care Act creates a process for states and the Department of Health and Human Services to review “unreasonable” premium increases and provide information to consumers about the process. The rules governing this rate review process went into effect September 1, 2011. This briefing by the Kaiser Family Foundation, held on September 22, 2011, addressed how these new rules might work and what the implications may be for the growth in health insurance premiums…

  • Briefing, Survey Examine 2012 Data From 50-State Survey of Medicaid and CHIP Eligibility and Enrollment Policies

    Event Date:
    Event

    Despite continued tight state budgets, a requirement in the Affordable Care Act (ACA) that states maintain eligibility in Medicaid and Children’s Health Insurance Programs was central in preserving coverage during 2011. In addition, more than half of states (29) made improvements in their programs, often using technology to increase program efficiency and streamline enrollment. These and other findings appear in the Kaiser Commission on Medicaid and the Uninsured report, "Performing Under Pressure: Annual Findings of…