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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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  • Medicare Restructuring: The FEHBP Model – Report

    Report

    Medicare Restructuring: The FEHBP Model Executive Summary As policymakers consider measures to assure the long-range solvency of Medicare, one option that has received increasing attention is a "premium support" system. Under such a system beneficiaries would choose between the original Medicare fee-for-service program and a variety of competing health plans. They would receive a fixed government contribution toward the plan of their choice and would pay any remaining costs themselves. Proponents of a premium support…

  • SCHIP Administration and Accountability

    Report

    The third in a series of reports on implementation issues and challenges in the first year of S-CHIP finds that non-Medicaid S-CHIP programs faced more administrative challenges. Success with enrollment appeared primarily related to administrative decisions, including a lower band of S-CHIP income eligibility, and the lack of premiums. REPORT Download

  • The Working Uninsured in California and the US

    Issue Brief

    This issue brief, prepared by Linda Blumberg and Len Nichols of the Urban Institute, examines the factors contributing to the disproportionately high rates of uninsurance among California's workers compared to the U.S. The report looks at differences in coverage by race and ethnicity, and by citizenship status, and also examines offer and take-up rates for employer health insurance among California's workers. Issue Brief

  • Trends and Indicators in the Changing Health Care Marketplace 2002

    Report

    This chartbook provides information on key trends in the health care marketplace including health spending, the structure of the health care marketplace, and health plan and provider relationships. It highlights data on health plan enrollment, premiums, and benefits, and the implications of health market trends for consumers and the safety net. Chartbook (.pdf)

  • The President’s Fiscal Year 2003 Budget:  An Overview of Health Programs

    Report

    The President's Fiscal Year 2003 Budget: An Overview of Health Programs A new chartbook describes the government's overall budget situation and examines the health policies and programs proposed in the President's latest budget. Chartbook View a webcast of A Capitol Hill briefing on budgets and health care

  • Health Insurance Coverage in America: 2001 Data Update

    Report

    Health Insurance Coverage in America: 2001 Data Update This chartbook provides year 2001 data on health insurance coverage, with special attention to the uninsured. It includes trends and major shifts in coverage and a profile of the uninsured population. Chartbook A link to additional state-specific data on the uninsured at State Health Facts. Link to other Health Insurance Coverage in America chartbooks.

  • Incremental Ways to Cover the Uninsured

    Other Post

    The Kaiser Commission co-sponsored a policy briefing on America's uninsured population and potential models for coverage expansion. Expanding public programs and providing tax credits are both being discussed as ways to cover some of the 42 million uninsured Americans. A link to the webcast and related resources is provided. Webcast of Policy Briefing

  • Maintaining Health Coverage and Securing the Medicaid Safety Net in a Sluggish Economy

    Fact Sheet

    The current economy is a key concern as federal and state leaders worry about the expected rise in unemployment and the related loss of employer health coverage. Policymakers are considering several options to ensure that we do not experience a health coverage crisis as we deal with the impact of the September 11th tragedy and ongoing concerns. In addition, states that were already preparing for budget problems are reporting even worse scenarios for their fiscal…

  • Medicaid’s Role for Low-Income Medicare Beneficiaries

    Fact Sheet

    Medicaid's Role for Low-Income Medicare Beneficiaries An overview that identifies low-income Medicare beneficiaries (dual eligibles), how Medicaid can provide care for them, and the challenges to accessing care. Fact Sheet: Medicaid's Role for Low-Income Medicare Beneficiaries

  • An Assessment of Strategies for Expanding Health Insurance Coverage

    Report

    This paper provides a conceptual analysis of alternative mechanisms (tax credits, public programs, and direct subsidies) for expanding health insurance coverage. The paper, which is part of the Kaiser Incremental Health Reform Project, discusses the likely impacts alternative approaches on a variety of outcomes including efficiency in increasing coverage and integration with existing insurance systems. Issue Paper Report: