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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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  • Community Health Centers in an Era of Health Reform: An Overview and Key Challenges to Health Center Growth

    Issue Brief

    Over 1,100 federally funded community health centers play a vital role in ensuring access to health care for a predominantly low-income population in medically underserved communities. Health centers’ ability to provide comprehensive primary care and improve access to high-quality care while holding down health care cost growth has been well-documented. As health reform spurs coverage expansion and efforts to improve quality, the nation’s reliance on health centers is likely to grow. In the Affordable Care…

  • Pulling It Together: Health IN the Economy

    Perspective

    I am writing this Pulling It Together column about this one chart and its potential interpretations and implications. Source: Key Findings: Kaiser Health Tracking Poll: Election 2008 -- April 2008, Kaiser Family Foundation, April 2008. This chart from our most recent tracking poll shows the economy rising as a political issue and health care falling, with Iraq in the middle. Findings from other polling groups will show the same thing for as long as the economy…

  • Who Pays and How Much? The Cost of Caring for the Uninsured

    Report

    This report answers how much the country spends on care for the uninsured and how much care the uninsured receive compared to insured Americans. It is part of our Cost of Not Covering the Uninsured project. Report

  • Racial and Ethnic Disparities in Women’s Health Coverage and Access to Care

    Issue Brief

    Using data from the 2001 Kaiser Women’s Health Survey, a nationally representative survey of nearly 4,000 women between the ages of 18 to 64, this issue brief explores racial and ethnic disparities in health care among women. It provides new information on the differences in health status, health insurance coverage, and selected measures of access to care across three racial/ethnic groups of women: African American, Latina, and white. Issue Brief (.pdf)

  • An Overview of Delivery System Reform Incentive Payment (DSRIP) Waivers

    Issue Brief

    This brief will examine similarities and difference across key elements of DSRIP waivers. The states included in this analysis are: California, Texas, Kansas, New Jersey, Massachusetts, and New York. The key elements of DSRIP initiatives that will be explored in this analysis include: the goals and objectives of the DSRIP initiative; eligible providers; projects and organization; allocation of funds; data collection and evaluation/reporting; and financing of DSRIP waivers.

  • Most Americans Report a Personal Connection to Those Who Have Abused Prescription Painkillers; Whites More Likely To Be Affected Than Blacks or Hispanics

    News Release

    Poll Finds 9% Say a Family Member or Close Friend Died of an Overdose; 27% Say Either They or Someone Close to Them Has Been Addicted On the ACA This Month, 45 Percent View the Law Unfavorably and 38 Percent View It Favorably With prescription painkiller abuse garnering more attention from the media and policymakers, the latest Kaiser Family Foundation Health Tracking Poll finds most Americans have a personal connection to the issue. In total,…

  • Key Findings: Kaiser Health Tracking Poll: Election 2008 — June 2007

    Poll Finding

    This document presents key findings from the June 2007 Kaiser Health Tracking Poll: Election 2008, which tracks changes in the saliency of health as a political and policy priority, what the public’s priorities are for a health reform plan and whether any candidates are breaking through with the public with their health reform plans   Key Findings (.pdf)

  • Health Care and the 2004 Elections: the Uninsured

    Issue Brief

    The Uninsured Download a printable .pdf of Health Care and the 2004 Elections: The Uninsured. IssueBackgroundOptions for Covering the Uninsured and the 2004 DebateAssessing Candidate PositionsIssue With nearly 45 million Americans under the age of 65 without health insurance – one in six Americans – addressing the uninsured population is a major issue in the upcoming election. Health insurance affects access to health care as well as the financial well-being of families. Thus, both the…

  • Health Challenges for the People of New Orleans

    Poll Finding

    Health Challenges for the People of New Orleans This analysis of a household survey of Greater New Orleans area residents conducted in Fall 2006 examines the health care status of the adult population and details their health coverage and access to health care services after the disaster. News Release Full Report (.pdf) Executive Summary (.pdf) Health Status (.pdf) Health Coverage and Access (.pdf) Households with Children (.pdf) Appendices (.pdf)