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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 >>

Data and analysis

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.

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 tax credits that would make ACA coverage affordable to them.

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.

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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  • The Cost and Coverage Implications of the ACA Medicaid Expansion: National and State-by-State Analysis

    Report

    A central goal of the Patient Protection and Affordable Care Act (ACA) is to significantly reduce the number of uninsured by providing a continuum of affordable coverage options through Medicaid and new Health Insurance Exchanges. Following the June 2012 Supreme Court decision, states face a decision about whether to adopt the Medicaid expansion. These decisions will have enormous consequences for health coverage for the low-income population. This analysis uses the Urban Institute’s Health Insurance Policy…

  • 50 Million Uninsured: The Faces Behind the Headlines

    Event Date:
    Event

    Almost 50 million Americans lacked health insurance in 2010 -- about a million more than in 2009. Who are the uninsured? Why do so many Americans lack coverage? What are the trends in coverage among different segments of the population? What do these trends mean for the health care system and the costs of care? This briefing, co-sponsored by the Alliance for Health Reform and the Kaiser Family Foundation's Commission on Medicaid and the Uninsured,…

  • Uninsured Workers in America

    Fact Sheet

    The fact sheet describes the characteristics of uninsured workers, the availability of and participation in job-based coverage, and reasons why workers are uninsured. Fact Sheet (.pdf)

  • Immigrants and Health Coverage:  A Primer

    Issue Brief

    Immigrants and Health Coverage: A Primer A major challenge facing many immigrants is lack of health insurance coverage. This primer provides an introduction to some of the questions surrounding immigrants and health insurance coverage. Issue Brief (.pdf)

  • The Changing Medicaid Managed Care Market

    Report

    Trends in Commercial Plans' Participation This background paper analyzes the trends in commercial plan participation in the Medicaid market by using a database specifically designed for this purpose. It examines changes from mid-1996 to mid-1997 in the types of full-risk plans serving Medicaid Beneficiaries. It also looks at trends through mid-1998 for the 15 states with the largest number of Medicaid enrollees. Background Paper: : Trends in Commercial Plans' Particpation

  • 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)

  • CHIP TIPS: Citizenship Documentation Changes

    Issue Brief

    This brief, the third in a series, examines changes to citizenship documentation requirements under the Children's Health Insurance Program Reauthorization Act of 2009. The law extends the requirement to document citizenship that applied in Medicaid to CHIP as well. At the same time, it modifies current requirements to reduce the paperwork burden on families and states and helps ensure that eligible children and others are enrolled and receive needed health care without delay. Brief (.pdf)

  • Disability, Health Coverage, and Welfare Reform

    Report

    This report analyzes data from a survey of 42 low-income families with children with moderate or severe disabilities to better understand the impact of welfare reform on health coverage for these families. Report

  • Protection in Managed Care Plans: A Side-by-Side Comparison of Proposal Federal Legislation

    Report

    Protection in Managed Care Plans: A Side-by-Side Comparison of Proposed Federal Legislation. A side-by-side comparison of the provisions for consumer protection in managed care plans contained in the House and Senate budget reconciliation bills and in eight other consumer protection bills currently under consideration by Congress. These bills, which would increase the regulatory oversight of the managed care industry by the federal government, are compared in 22 different categories of managed care issues. Report Report

  • Obamacare y Usted: Si no tiene seguro médico

    Fact Sheet

    Obamacare ha creado nuevas maneras de tener cobertura de salud. Si usted no tiene seguro médico a través de su empleador, seguramente pueda obtenerlo a través del nuevo Mercado de los Seguros Médicos (o "intercambio") en su estado. Nuevas opciones de cobertura Llenando una única aplicación, usted aprenderá sobre sus opciones de planes médicos y los costos, y si califica para tener cobertura a través de Medicaid o para recibir un subsidio para comprar un…