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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 >>

Latest News

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  • Chartpack: Kaiser Health Tracking Poll — August 2009

    Poll Finding

    This document contains the chartpack from the August Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted August 4 through August 11, 2009, among a nationally representative random sample of 1,203 adults ages 18 and older. Telephone interviews conducted by landline (801) and cell phone (402, including 123 who had no landline telephone) were carried out in English and Spanish. The margin of…

  • Affordable Care Act Provisions Relating to the Care of Dually Eligible Medicare and Medicaid Beneficiaries

    Issue Brief

    This issue brief identifies the major provisions in the Patient Protection and Affordable Care Act (ACA) that are designed to improve care and streamline service delivery for dual eligibles, the millions of low-income seniors and younger persons with disabilities who are enrolled in both the Medicaid and Medicare programs. Dual eligibles are among the sickest and poorest individuals covered by either the Medicaid or Medicare programs; they comprise only 15 percent of total Medicaid enrollment…

  • April 2009 Health Tracking Poll

    Poll Finding

    The April Kaiser Health Tracking Poll finds that six in ten Americans continues to say that they or a member of their household have delayed or skipped health care in the past year. A solid majority of the public believes health care reform is more important than ever because of current economic problems. The country’s overall economic problems have not dampened their interest in pursuing health care reform: a solid majority of the public (59%)…

  • Pulling it Together: An Actuarial Rorschach Test

    Perspective

    Drew Altman, Larry Levitt, Gary Claxton My colleagues have worked on this column with me and I invited them to join me as authors. As with pretty much every other discussion of health care going back to the days of Roosevelt, the great reform debate of 2009 (and now 2010) has been distilled into an ideological battle over the role of government. A government-sponsored "public option" has been off the table for a while now,…

  • Holding Steady, Looking Ahead: Annual Findings Of A 50-State Survey Of Eligibility Rules, Enrollment and Renewal Procedures, And Cost Sharing Practices in Medicaid and CHIP, 2010-2011

    Report

    The annual 50-state survey of Medicaid and CHIP eligibility rules, enrollment and renewal procedures and cost sharing practices, conducted by the Kaiser Commission on Medicaid and the Uninsured with the Georgetown University Center for Children and Families, found that, in 2010, coverage in Medicaid and the Children's Health Insurance Program remained strong with some improvements, particularly for low-income children. However, eligibility for their parents and other low-income adults continued to lag behind. The survey also…

  • Key Findings: Kaiser Health Tracking Poll — August 2009

    Poll Finding

    This document contains the key findings from the August Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted August 4 through August 11, 2009, among a nationally representative random sample of 1,203 adults ages 18 and older. Telephone interviews conducted by landline (801) and cell phone (402, including 123 who had no landline telephone) were carried out in English and Spanish. The margin…

  • Toplines: Kaiser Health Tracking Poll — September 2009

    Poll Finding

    This document contains the toplines from the September Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted September 11 through September 18, 2009, among a nationally representative random sample of 1,203 adults ages 18 and older. Telephone interviews conducted by landline (801) and cell phone (402, including 147 who had no landline telephone) were carried out in English and Spanish. The margin of…

  • Toplines: Kaiser Health Tracking Poll — December 2009

    Poll Finding

    This document contains the toplines from the December Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted December 7 through December 13, 2009, among a nationally representative random sample of 1,204 adults ages 18 and older. Telephone interviews conducted by landline (801) and cell phone (403, including 111 who had no landline telephone) were carried out in English and Spanish. The margin of…

  • Health Care Affordability and the Uninsured

    Event

    Diane Rowland testified at a hearing on the instability of health coverage before the Health Subcommittee of the U.S. House Committee on Ways and Means. Her testimony discussed the growing share of Americans who are uninsured and without adequate health insurance coverage and highlighted the key characteristics and issues with regard to the uninsured as well as the financial burdens for medical care faced by America's families. Testimony (.pdf)

  • Individuals with Special Needs and Health Reform: Adequacy of Health Insurance Coverage

    Issue Brief

    This issue brief examines the health care needs and health costs of individuals with special health challenges, focusing on those with low-to-moderate incomes. It finds that even under a benefit package more generous than most offered in the private insurance market, individuals and families can face significant gaps in coverage and large out-of-pocket costs, especially if they have serious health conditions. The findings have implications for the health reform debate as policymakers consider minimum standards…