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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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  • August Kaiser Health Tracking Poll: The Uninsured and the Health Reform Law

    Perspective

    The August Kaiser Health Tracking Poll finds that even though 32 million uninsured Americans will gain health insurance under the ACA, only about half of non-elderly Americans currently without coverage say they are familiar with the chief components in the law designed to achieve this goal. Fifty-two percent of the uninsured say they are aware the law will provide subsidies to help low- and moderate-income people without insurance purchase it. And 47 percent are aware that…

  • The Affordable Care Act: Three Years Post-Enactment

    Issue Brief

    On March 23, 2010, the Affordable Care Act (ACA) was signed into law. Although the date for full implementation of most provisions of the law is January 1, 2014, the ACA has already led to progress toward expanded coverage of the uninsured; improved access and better care delivery models; broader access to community-based long-term care; and more integrated care and financing for beneficiaries who are dually eligible for Medicare and Medicaid. The brief provides an…

  • KFF Follow-Up Survey of Marketplace Enrollees: Following End of Enhanced Credits, Half of Marketplace Enrollees Now Say Costs Are a Lot Higher, Most Expect to Cut Back on Basic Household Expenses to Afford Coverage

    News Release

    Following the expiration of the enhanced premium tax credits for people with Affordable Care Act (ACA) Marketplace plans, a new KFF follow-up survey of the same Marketplace enrollees KFF surveyed in 2025 finds half (51%) of returning enrollees say their health care costs are “a lot higher” this year compared to last year, including four in ten who specifically say their premiums are “a lot higher.”

  • Affordability Is the Issue Now, But Look for the Uninsured to Make a Comeback

    From Drew Altman

    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.

  • Next Steps in Covering Uninsured Children: Findings from the Kaiser Survey of Children’s Health Coverage

    Issue Brief

    This issue brief provides key findings from the Kaiser Survey of Children's Health Coverage, including that many low- and middle-income working families with an uninsured child do not have access to employer-sponsored health insurance. The telephone survey of parents that was conducted in 2007 to learn more about children’s access to coverage and care and the health care cost-related pressures facing their families. Issue Brief (.pdf)

  • Toplines: National Survey of Households Affected by Cancer

    Poll Finding

        These toplines provide the complete survey questions and findings from the National Survey of Households Affected by Cancer conducted jointly by USA Today, the Kaiser Family Foundation and the Harvard School of Public Health by telephone between Aug. 1 and Sept. 14, 2006. The survey provides an in-depth look at how families cope with cancer, and in particular, examines problems of health insurance and health care costs through the lens of those who…

  • Health Coverage and Access Challenges for Low-Income Women

    Issue Brief

    This issue brief examines low-income women’s health insurance coverage, experience with health plans and providers, and access to care. The analysis is based on data from the 2001 Kaiser Women’s Health Survey, a nationally representative survey of nearly 4,000 women between the ages of 18 and 64. Issue Brief (.pdf)

  • Incrementalism: Ethical Implications of Policy Choices

    Report

    This paper discusses ethical issues in incremental approaches to expanding health insurance coverage. Although any reduction in the number of uninsured is morally desirable, there are real moral differences between different policy options. This paper, which is part of the Kaiser Incremental Health Reform Project, examines these moral differences by identifying the values and commitments that ground the different policy options. Issue Paper

  • Issues Facing Medicaid and CHIP

    Event Date:
    Event

    Cindy Mann, senior fellow of the Commission, testified to the Senate Subcommittee on Public Health of the Health, Education, Labor and Pensions Committee on how to sustain and expand health care coverage for low-income children and families, and disabled and elderly people in these challenging times. TESTIMONY Download

  • A Medicare Buy-In for the Near Elderly: Design Issues and Potential Effects on Coverage

    Report

    This report examines a Medicare-based approach to reducing the ranks of the uninsured that would permit early retirees between the ages of 62 and 65 to purchase coverage under Medicare. The paper begins with an overview of the challenges of insuring the near-elderly and explores the potential effects of a Medicare buy-in on coverage of this population. The authors conclude that, unless premiums for such coverage were low or tied to enrollees' income, this approach…