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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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  • Why Express Lane Eligibility Makes Sense for States and Low-Income Families

    Issue Brief

    Express Lane Eligibility (ELE) is a new tool available to states to streamline enrollment and renewal of children in Medicaid and CHIP. It allows state Medicaid and CHIP agencies to utilize data and eligibility findings from other public need-based programs, such as Head Start or Food Stamps, and/or tax return data to identify, enroll and recertify children rather than requiring them to re-analyze and determine eligibility under their own rules. This issue brief, one in…

  • Pulling It Together: Implementation Is Forever

    Perspective

    Now that historic health reform legislation is law, everyone is rightfully focused on implementation. There are two very different ways to look at implementation. One is the more legalistic worm's eye view, which sees implementation largely as the process of putting into effect what was written in the law. In the worm's eye view implementation proceeds in a linear fashion from legislation, to regulations specifying what the statute calls for in greater detail, to operations…

  • Access to Affordable Dental Care: Gaps for Low-Income Adults

    Issue Brief

    This policy brief provides data and analysis of coverage and access to oral health care for low-income nonelderly adults. Lack of resources to pay for dental services, either through dental insurance or out-of-pocket, is a major barrier to oral health care for many low-income Americans. The problem is particularly acute for low-income adults, who are more likely to be uninsured than low-income children. Issue Brief (.pdf)

  • Faces of the Medicaid Expansion: Experiences and Profiles of Uninsured Adults Who Could Gain Coverage

    Issue Brief

    These two papers provide insight into how state decisions to expand Medicaid under the Affordable Care Act are likely to impact people. Based on focus groups and interviews conducted in Cincinnati, Houston, Las Vegas and Tampa with uninsured adults who could be eligible for the Medicaid expansion in 2014, these papers highlight the experiences of uninsured adults and the significant health and financial consequences of being uninsured, which sometimes impact their ability to work and…

  • Managed Care Plan Liability: An Analysis of Texas and Missouri Legislation – Report

    Report

    Managed Care Plan Liability: An Analysis Of Texas And Missouri Legislation Patricia A. Butler, JD, DrPH November 1997 Background As increasing numbers of Americans receive health care coverage through managed care plans, public attention has been focused on some of the problems consumers have with such plans. Although most consumers report satisfaction with their plans, some express concern that plans' financial incentives limit access to needed services. For example, some consumers are not referred to…

  • Survey of Consumer Experiences in Managed Care – News Release

    Other Post

    New Survey Offers Insight Into Experiences of Managed Care Consumers Majority of Sacramento Managed Care Consumers Report No Difficulty with Their Plan, But Over a Quarter Had Problems For Immediate Release:Wednesday, November 19, 1997 Contacts:Heather Balas,Kaiser Family Foundation, (650) 854-9400 Katie Salvas,Sierra Health Foundation, (916) 922-4755 Magdalena Beltran-del Omo,The California Wellness Foundation, (818) 589-6600 Lauren Schaefer,Health Rights Hotline, (916) 551-2147 Medicaid Beneficiaries Report Highest Rate of Difficulty Sacramento, California -- Much national attention is currently…

  • Native Americans and Medicaid: Coverage and Financing Issues

    Other Post

    Native Americans and Medicaid:Coverage and Financing Issues Prepared by Andy Schneider and JoAnn Martinez, The Center on Budget and Policy Priorities for The Kaiser Commission on the Future of Medicaid December 1997 Table 1: Medicaid Eligibility Thresholds Pregnant Women, Infants and Children (Effective October 1997) Other Eligibility Categories State Pregnant Women and Infants Children Under Age Six Children Ages Six and Older Upper Age Limit Asset Test Required Supplemental Security Income, 1996 Max. AFDC Payments…

  • 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)

  • Rates of Uninsured Women, by State

    Feature

    Rates of Uninsured Women, by State Download Source State-level figures based on Urban Institute and Kaiser Family Foundation estimates of pooled 2012 and 2013 Current Population Surveys, U.S. Bureau of the Census.