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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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  • Opening Doorways to Health Care for Children: 10 Steps to Ensure Eligible but Uninsured Children Get Health Insurance

    Report

    Despite the success of Medicaid and SCHIP in reducing the number of uninsured low-income children by one-third in the last decade, over eight million children remain uninsured. Seventy percent of these uninsured children are eligible for public health coverage. This report by the Children's Partnership lays out a plan for creating a series of enrollment doorways that make enrollment and renewal of children both routine and timely -- as close to automatic as possible. The…

  • New Reports Analyze Latest Trends in Uninsured Population and Health Coverage

    Report

    New reports show that between 2000 and 2003 the number of uninsured rose 5.1 million, with the number of uninsured children dropping due to Medicaid and SCHIP coverage and the number of uninsured adults rising due to a decline in employer coverage. The Economic Downturn and Changes in Health Insurance Coverage, 2000-2003 Health Insurance Coverage in America: 2003 Data Update Highlights (.pdf) Webcast of briefing

  • Covering New Americans:  A Review of Federal and State Policies Related to Immigrants’ Eligibility and Access to Publicly Funded Health Insurance

    Report

    Covering New Americans: A Review of Federal and State Policies Related to Immigrants' Eligibility and Access to Publicly Funded Health Insurance This brief provides an overview of health coverage challenges facing immigrants, the federal rules regarding immigrants’ eligibility for Medicaid and SCHIP, and state efforts to provide replacement coverage for immigrants who are ineligible for Medicaid and SCHIP. Report (.pdf)

  • Spotlight on Uninsured Parents: How a Lack of Coverage Affects Parents and Their Families

    Issue Brief

    Providing health coverage for the entire family can both help to increase coverage of children and assist low-income families in obtaining more affordable health care services. This brief uses data from the 2005 Kaiser Low-Income Coverage and Access Survey to examine health coverage, access and the financial impacts of health care for low-income parents and their families. Issue Brief (.pdf)

  • Children and Oral Health: Assessing Needs, Coverage and Access

    Issue Brief

    This policy brief highlights the prevalence of dental problems among children and examines gaps in oral health coverage and access to dental care, as well as disparities by income and race/ethnicity. It also looks at out-of-pocket costs for dental care, explains the role of Medicaid and CHIP in dental care, coverage and access for children and describes the expansion of oral health coverage for children under the Affordable Care Act. Issue Brief (.pdf)

  • 2003 Health Insurance Survey – Toplines

    Poll Finding

    The 2003 Kaiser Family Foundation Health Insurance Survey examines the public's level of satisfaction with their insurance coverage, their expectations of health insurance, the role of costs and other factors in health insurance decision-making, and attitudes toward employer-sponsored coverage. It also explores people's opinions about several alternative health insurance plans that are currently under consideration and explores how they might respond to these new options. Survey Toplines (.pdf)

  • Uninsured and Their Access to Health Care, 2005

    Fact Sheet

    The Uninsured and Their Access to Health Care This fact sheet describes the characteristics of the uninsured population, the difference health insurance makes, and why there is a large uninsured population. Fact Sheet (.pdf)

  • Health Coverage in America, 2004 Data Update

    Report

    This chartbook provides 2004 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. Report (.pdf)