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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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  • Low-Income Adults in New Orleans in 2008: Who Are They and How Are They Faring?

    Poll Finding

    Based on data from Kaiser's Second Post-Katrina Survey, this Survey Brief profiles low-income adults in New Orleans in 2008, examining their demographics, personal recovery from the aftermath of Hurricane Katrina, worries and concerns, and financial and health care challenges. It finds that low-income adults in New Orleans are more likely than other adults in the city to still be dealing with recovery from the aftermath of Hurricane Katrina and facing financial and health care challenges.…

  • A Profile of American Indians and Alaska Natives and Their Health Coverage

    Issue Brief

    A Profile of American Indians and Alaska Natives and Their Health Coverage This brief examines the health coverage, access to care and health status of American Indians and Alaska Natives across the country. Although the U.S. government has an established responsibility through tribal agreements to provide health care services to members of federally recognized Indian tribes, many American Indians and Alaska Natives lack access to health care. The brief gives an overview of the some…

  • Massachusetts Health Reform Tracking Survey

    Poll Finding

    This survey finds that, with a July 1 implementation milestone approaching, most Massachusetts residents support a new state law to provide health coverage to almost all residents, including the individual mandate that requires residents to obtain coverage or pay a penalty. The poll, conducted by the Kaiser Family Foundation, the Harvard School of Public Health and the Blue Cross Blue Shield of Massachusetts Foundation, finds support for the new health insurance law has increased. In…

  • Pulling it Together: When Premiums Go Up 39%

    Perspective

    Our group that works on health care cost issues just updated an analysis that sheds light on what’s really happening to people in the individual health insurance market, the issue Secretary Sebelius, a former Kansas insurance commissioner, and others have put in the spotlight by calling on Anthem and other insurance companies to account for their proposed high premium increases. The analysis shows that people buying health insurance on their own in the individual market…

  • Pulling It Together: Predictions

    Perspective

    I usually don’t make predictions, unless they are backed up by the kind of statistical modeling we often produce.  But here are three predictions I am confident about that form the basis of this latest column. GROUP HEALTH INSURANCE PREMIUMS WILL CONTINUE TO RISE AT HISTORICALLY MODERATE LEVELS, AT LEAST FOR THE NEXT FEW YEARS.  One reason for this is the lingering effect of the recession.  Employers will have little trouble attracting workers in the…

  • Congressional Testimony on Expanding Health Care Coverage

    Event Date:
    Event

    On May 5, 2009, the U.S. Senate Committee on Finance held a roundtable discussion on health-care coverage issues as part of its health reform efforts. Diane Rowland, the Foundation's Executive Vice President and Executive Director of the Kaiser Commission on Medicaid and the Uninsured, and Gary Claxton, Foundation Vice President and Director of the Health Care Marketplace Project, participated in the discussion and prepared written testimony at the committee's request. Testimony of Diane Rowland (.pdf)…

  • Child Health Facts: National and State Profiles of Coverage

    Report

    Child Health Facts: National and State Profiles of Coverage Nearly 10 million children in the United States lack health insurance coverage and over two-thirds of them or low-income. This databook provides baseline data on how many children are uninsured today and on the extent of Medicaid coverage. It provides astarting point to monitor and assess state efforts to reach and insure more children. Report