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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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  • Toplines: Kaiser Health Tracking Poll — February 2009

    Poll Finding

    This document contains the full toplines from the February 2009 Kaiser Health Tracking Poll. The survey was conducted February 3 through February 12, 2009, among a nationally representative random sample of 1,204 adults ages 18 and older. Telephone interviews conducted by landline (903) and cell phone (301, including 123 who had no landline telephone) were carried out in English and Spanish. The margin of sampling error for the total sample is plus or minus 3…

  • Pulling it Together: What Will Health Reform Do For Me?

    Perspective

    There is one poll number that may be more important to watch than any other if we have a big debate about health reform: The percentage of Americans who think that they or their families would be better off if the president and the Congress enacted major health reform legislation. It's a number that signals whether people think that health reform legislation will actually help them with the problems they are having in the current…

  • Community Health Centers

    Fact Sheet

    This fact sheet provides a basic overview of community health centers, covering issues such as the patients they serve, the services they provide and the financing they receive. Community health centers provided comprehensive primary care to 16.1 million patients in 2007. Fact Sheet (.pdf)

  • Pulling It Together: A Public Opinion Surprise

    Perspective

    Medicaid is the nation’s primary health insurance program for low-income people and people with disabilities, covering more than 60 million people this year.  And it's about to get a lot of attention: it's likely to be a prime target for spending reductions by "deficit hawks" in debate over the budget; governors are arguing that federal rules requiring them to maintain coverage under Medicaid tie their hands at a time when they are trying to crawl…

  • Many Uninsured People Could Lose Access to Free COVID-19 Testing, Treatment, and Vaccines as Federal Funding Runs Out

    News Release

    With an impasse in Congress over additional COVID-19 emergency funding, uninsured people could lose access to free testing and treatment services, a new KFF brief explains. For people without health insurance, the Health Resources and Services Administration (HRSA) COVID-19 Uninsured Program has reimbursed hospitals, doctors and other providers for the COVID-19 care and services that they provide to uninsured people. However, with federal funds running out, the program is no longer accepting new claims for…

  • How Has the Pandemic Affected Health Coverage in the U.S.?

    Policy Watch

    Findings from administrative data suggest that the decline in enrollment among employer-sponsored insurance was far less than overall declines in employment as of September, and that many who did lose their job-based coverage likely found a safety net in coverage through Medicaid or the ACA marketplaces.

  • A Forum on the Implications of Changes in the Health Care Environment for Native American Health Care

    Report

    With the assistance of the First Nations Development Institute, the Henry J. Kaiser Family Foundation commissioned several studies of critical issues in Native-American health care. These studies examined the trends shaping the future of Native-American health care; the existing health systems and planning capacity in the Native-American health care system; the changes occurring in the IHS; the role of Medicaid in Native-American health care; the attitudes and preferences of Native American health care consumers; and…

  • Medicare: Options for Reform, A Public Dialogue on Health Care: The Future of Medicare

    Report

    A public education brochure describing Medicare reform options that are being considered by Congress. This fact sheet is also a part of a packet of information as part of a joint public information project between Kaiser Family Foundation and League of Women Voters of public meetings held across the United States in October 1998 (#1427, available in print). Report Report

  • Keeping Medicare and Medicaid When You Work, 2005: A Resource Guide for People with Disabilities, Their Families, and Their Advocates

    Report

    This guide helps to explain the program rules for Medicare and Medicaid with regard to work. Medicare and Medicaid have come to play important roles in the lives and the futures of roughly 20 million children, adults, and seniors with disabilities - and this guide gives people with disabilities new information to help them get the most from these programs. Full PDF Report Section 1: Protecting Health Coverage For People With Disabilities Who Work HTML…

  • Medicare Restructuring: The FEHBP Model

    Report

    This report provides a comprehensive description of the Federal Employees Health Benefits Program (FEHBP) and compares the FEHBP and Medicare programs as they are currently structured. It reviews evidence on the performance of FEHBP and examines the implications of restructuring Medicare to conform to a FEHBP-based plan. Overall, the report suggests that FEHBP offers some promise as an approach for reforming Medicare, but important issues would have to be addressed to adapt the model to…