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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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  • 2003 Health Insurance Survey

    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. Summary and Chartpack Toplines

  • Who are the Uninsured?  A Consistent Profile Across National Surveys

    Issue Brief

    Who are the Uninsured? A Consistent Profile Across National Surveys This issue brief examines the differences in the estimates of the uninsured population from three major surveys and finds that the estimates are actually more consistent than what is often perceived. In addition, the analysis shows that who the uninsured are does not vary much across national surveys. Issue Brief

  • The Affordable Choices Initiative: An Overview

    Fact Sheet

    The President's Affordable Choices initiative would permit states to redirect funds paid to hospitals and other health care institutions to initiatives that would provide the uninsured with private insurance. This fact sheet provides an overview of the fiscal year 2008 budget initiative. Fact Sheet (.pdf)

  • Kaiser Health Tracking Poll: Election 2008 — June 2007

    Poll Finding

    This June tracking poll finds that health care remains the top domestic issue that the public wants presidential candidates to address, trailing only Iraq on the public’s overall priority list. Iraq ranks first among Democrats, Republicans and Independents alike. Health care ranks second among Democrats and Independents, while Republicans rank immigration second and health care third.  Immigration rose sharply as an issue in the new poll, which was taken as media attention focused on the…

  • New Reports and Briefing Focus on Dental Health Coverage and Access

    Fact Sheet

    More than 100 million Americans have no insurance to help cover dental needs. With health reform discussions ongoing, the Foundation's Kaiser Commission on Medicaid and the Uninsured (KCMU) cosponsored a briefing which examined oral health in the broader conversation of improving quality and expanding access. Three new reports from KCMU were released at the event. Access to Affordable Dental Care: Gaps for Low-Income Adults Filling an Urgent Need: Improving Children’s Access to Dental Care in…

  • The Role of Medicare and Beneficiaries in the Deficit-Reduction Debate

    Event Date:
    Event

    This Kaiser Family Foundation briefing examined how Medicare reform options now under consideration might work and their implications for beneficiaries and taxpayers. As context for understanding the potential effects of reforms, the briefing looked at the current and projected income and assets of people on Medicare, out-of pocket health care spending and the ability of Medicare beneficiaries to absorb rising costs. The Foundation also released a new report and video profiling Medicare families and the…

  • The Olmstead Decision: Implications for Medicaid

    Issue Brief

    In June, 1999, the Supreme Court rule in Olmstead v L.C. that states were required to provide services to persons with disabilities in community settings rather than institutions, if certain conditions were met. This Policy Brief provides an overview of the Olmstead case, including the facts, the court ruling, and the disposition of the case. In addition, the brief describes the issues surrounding implementation and the implications this ruling could have for state Medicaid programs.…

  • Access to Care for S-CHIP Children with Special Health Needs

    Issue Brief

    A study of California, Connecticut, Maryland, Missouri, and Utah CHIP programs show that the states have features in place for special needs children, but problems of provider availability and service authorization did sometimes occur. This is the first in a series of reports on implementation issues and challenges in the first year of CHIP. ISSUE BRIEF Download

  • The Medicare Program: Panorama General De Medicare

    Fact Sheet

    Que Es El Medicare Y Como Se Financia? Medicare es un programa de seguro medico nacional que atiende a 39 millones de ancianos y discapacitados. Antes de la existencia del Medicare, menos de la mitad de todos los norteamericanos de edad avanzada contaban con un seguro medico. Hoy en dia, practicamente todos los adultos de 65 anos de edad mayores se encuentran asegurados bajo Medicare. Medicare cubre a 34 millones de beneficiarios ancianos y a…