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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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  • Pulling It Together: A Recovery Raises Expectations Too

    Perspective

    New Orleans is a city still struggling with the aftermath of Katrina and the levee breaks. The people of New Orleans feel that the nation and the federal government have largely forgotten them. Those are the results of our 2008 survey of the people of New Orleans, the second in a series we are doing to track progress in the recovery from the perspective of the residents of the city themselves. As the head of a…

  • Explaining Health Care Reform: Questions About Medicaid’s Role

    Issue Brief

    Medicaid plays a major role in covering more of the uninsured under the new health reform law. The new law includes a significant expansion of Medicaid, an individual requirement to obtain health insurance, and subsidies to help low-income individuals buy coverage through newly established Health Benefit Exchanges. This brief explains the how Medicaid works today and answers some key questions about Medicaid’s role in health reform. Issue Brief (.pdf)

  • The Public Opinion Update on The Uninsured

    Other Post

    Kaiser Public Opinion Update, April 2000 summarizes key findings from past surveys on the uninsured conducted by the Kaiser Family Foundation and the Harvard School of Public Health and a new survey conducted by the Foundation in conjunction with The NewsHour with Jim Lehrer. The surveys show that the public is concerned about the problem of the uninsured, but that solutions remain elusive because of the lack of public consensus on the best approach and…

  • Prescription Drug Coverage for Medicare Beneficiaries: A Side-by-Side Comparison

    Other Post

    This document, prepared by Health Policy Alternatives, Inc., provides a side-by-side comparison of five major federal proposals under consideration to provide outpatient prescription drug coverage to Medicare beneficiaries. It includes both a summary and a detailed comparison of the following major proposals: S. 357, The Medicare Preservation and Improvement Act of 2001 (Breaux/Frist I), S. 358, The Medicare Prescription Drug and Modernization Act of 2001 (Breaux-Frist II), H.R. 4680, The Medicare Rx 2000 Act (passed…

  • The California Single-Payer Debate, The Defeat of Proposition 186

    Report

    A report summarizing the campaigns of proponents and opponents to the California Health Security Act (Proposition 186) of 1994. The report includes findings from research commissioned by the Kaiser Family Foundation on the potential financial and administrative impact of the Act on California, as well as an analysis of the paid media campaigns on the issue (see also #1026, Statewide Surveys of Californians on Public Attitudes Toward the Single Payer Ballot Initiatives (Proposition 186), #1027,…

  • 10 Things to Know About the Unwinding of the Medicaid Continuous Enrollment Provision

    Issue Brief

    Medicaid enrollment increased since the start of the pandemic, primarily due to the continuous enrollment provision.KFF estimates that between 8 million and 24 million people will lose Medicaid coverage during the unwinding of the continuous enrollment provision.The Medicaid continuous enrollment provision stopped “churn” among Medicaid enrollees.States approaches to unwinding the continuous enrollment provision vary.Maximizing streamlined renewal processes can promote continuity of coverage as states unwind the continuous enrollment provision.States have obtained temporary waivers to pursue…