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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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  • Coverage of Preventive Services for Adults in Medicaid

    Issue Brief

    This brief highlights data from a survey of coverage of 42 recommended preventive services for adults in Medicaid fee-for-service programs as of October 2010. Medicaid programs must cover preventive services for children as part of the Early Periodic Screening, Diagnosis and Treatment (EPSDT) benefit, but generally are not required to cover such services for adults. The Affordable Care Act (ACA) provides states the opportunity to earn a one percentage point increase in their federal matching…

  • A Pre-Katrina Look At the Health Care Delivery System For Low-Income People In New Orleans

    Issue Brief

    A Pre-Katrina Look At the Health Care Delivery System For Low-Income People InNew Orleans This issue brief offers a retrospective look at how care was provided to poor residents in New Orleans before Hurricane Katrina hit. It describes the structure of the public safety net and briefly discusses the challenges facing the system as it tries to rebuild. Issue Brief (.pdf)

  • The Role of Employer-Sponsored Health Coverage for Immigrants: A Primer

    Issue Brief

    Access to employer-sponsored health insurance is declining for all families living in the United States, and this problem is especially acute for immigrant families. Employer-sponsored coverage is a particularly important source of insurance for immigrant families since their eligibility for public coverage through Medicaid and the State Children’s Health Insurance Program (SCHIP) is restricted. This primer examines the role of employer-based coverage for immigrants and the specific hurdles they face in obtaining this coverage. Issue…

  • Putting Women’s Health Care Disparities On The Map: Examining Racial and Ethnic Disparities at the State Level

    Report

    This Kaiser Family Foundation report documents the persistence of disparities between white women and women of color across the country. It provides a rare and comprehensive state-level look at disparities among women of different races and ethnicities on a broad range of indicators of health and well-being, including rates of diseases such as diabetes, heart disease, AIDS and cancer, and access to health insurance and health screenings.

  • Access to Care for the Uninsured: An Update

    Report

    As the Census Bureau releases the latest data on health insurance coverage, prior research has shown that health insurance coverage improves access to care and health outcomes. New data from the Kaiser 2003 Health Insurance Survey updates what is known about barriers to access to health care. Chart Pack (.pdf)

  • Health Care One Year After Hurricane Katrina

    Event Date:
    Event

    Health Care One Year After Hurricane Katrina Extended interviews with survivors and a related film, "Voices of the Storm: Health Care After Katrina," are available below. August 29, 2006, marks the first anniversary of Hurricane Katrina's catastrophic landfall. The Kaiser Family Foundation continues its commitment to help respond to the devastation from Hurricane Katrina with new resources about the health care impact of Katrina's aftermath. At a forum held on August 8, the Foundation released…

  • National Survey of Public Knowledge of the Medicare Program and Public Support for Medicare Policy Proposals

    Other Post

    New Survey finds most Americans oppose slowing the growth of Medicare to balance the budget or cut taxes, but would support changes to avoid bankruptcy Embargoed for release until: 9:30 AM EST Thursday, June 29, 1995 Contacts: Matt James Tina Hoff (415) 854-9400 --Public Favors Incremental Rather than Sweeping Reforms-- --Significant Generational Differences on Medicare Reform-- Washington, D.C. -- A new survey has found that close to three out of four Americans (73%) support reducing…

  • Benefits and Costs of Consumer Protection Proposals in California: An Analysis of Selected Recommendations of the California Managed Care Task Force

    Report

    This report assesses the potential impact of selected recommendations of the Managed Health Care Improvement Task Force in the areas of access to care and specialists, information disclosure, and dispute resolution. The Managed Health Care Improvement Task Force was established in 1998 to inform state leaders about the health industry in California; the impact of managed care on quality, access, and cost of care; issues of special concern to consumers; and the appropriate role of…

  • Protection For Consumers In Managed Care Plans: A Comparison Of Medicare, Medicaid and the Private Insurance Market

    Report

    This policy paper describes key requirements of consumer protection regulation under Medicare, Medicaid and federal and state laws as they apply to private health insurance. These include choice and availability of plans, disclosure of information, marketing, access, quality, and the grievance and appeals process. The discussion highlights differences and similarities across public programs and private insurance and compares public and private insurance protection with provisions of the Consumer Bill of Rights (CBRR) developed by the…

  • The Role of PBMs in Managing Drug Costs: Implications for a Medicare Drug Benefit

    Other Post

    Extending a drug benefit to Medicare beneficiaries has been a highly publicized issue in recent months. To address the question of how to finance and administer such a benefit while controlling its cost, some have proposed using pharmacy benefit managers (PBMs)--companies that administer pharmaceutical benefits for health plans, HMOs, and employers while managing drug utilization and obtaining discounts from both retail pharmacies and manufacturers. Most recently, the Clinton Administration introduced a proposal for a Medicare…