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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 >>

Latest News

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  • With Federal Support, States Hold Steady in Medicaid and CHIP Coverage Policies for Low-Income Children and Families Despite Recession

    News Release

    New 50-State Survey Finds Some States Make Targeted Expansions to Strengthen Coverage and Achieve Efficiencies as They Prepare for Health Reform WASHINGTON -- Despite tight budgets, nearly all states maintained or made targeted expansions or improvements in their Medicaid and Children’s Health Insurance Programs (CHIP) eligibility and enrollment rules in 2010, preserving the programs’ ability to provide coverage to millions of low-income Americans who otherwise lack affordable options, according to a new survey released today…

  • New Resources & Briefing Examine Medicaid Long-Term Services and Supports

    Event Date:
    Event

    The following resources by the Kaiser Family Foundation’s Commission on Medicaid and the Uninsured (KCMU) examine the latest data findings regarding Medicaid’s long-term services and supports for seniors and people with disabilities. The materials were released at a public briefing in the Foundation’s Washington, D.C. offices that featured an expert panel and remarks on long-term services and supports by U.S. Secretary of Health and Human Services Kathleen Sebelius. The reports include: Medicaid Home and Community-Based…

  • Improving Access to Adult Primary Care in Medicaid: Exploring the Potential Role of Nurse Practitioners and Physician Assistants

    Issue Brief

    The inadequate supply of primary care providers is among the major challenges facing the U.S. health care system. Sixty-five million people live in areas designated by the federal government as having a shortage of primary care providers. Under the Patient Protection and Affordable Care Act (ACA), the pressures on access are certain to grow as millions of newly insured people enter the health care system. By 2020, the U.S. will face an estimated shortage of…

  • Webcast: New CMS Estimates of State-by-State Health Expenditures

    Event Date:
    Event

    The Kaiser Family Foundation held a live interactive webcast on December 7, 2011, to discuss trends in state health care expenditures and the implications for national and state efforts to constrain health care costs. The webcast examines new state-by-state estimates of public and private health spending from the Centers for Medicare and Medicaid Services (CMS) published in the online journal, Medicare and Medicaid Research Review. An expert panel offers perspectives on the trends within and…

  • Massachusetts Health Care Reform: Six Years Later

    Issue Brief

    In 2006, then-Gov. Mitt Romney signed Massachusetts' comprehensive health reform designed to provide near-universal health insurance coverage for state residents. Building on a long history of health reform efforts, the state embarked on an ambitious plan to promote shared individual, employer, and government responsibility. This brief examines Massachusetts' experience with coverage and access to care over the last six years, as well as the state's ongoing efforts to deal with persistent high health-care costs. The…

  • How States Are Responding to the Challenge of Financing Health Care for Retirees

    Report

    State governments are an important source of health insurance coverage for retired state employees. Confronted with rising health care costs, budget deficits, and an overall downturn in the economy, this report describes how states are responding to the challenge of financing health care for retirees who tend to be sicker and more costly to cover than active workers. This study, based on survey responses from 43 states and the District of Columbia, captures information on…

  • New Publications on Immigrant Health Care and Linguistic Access

    Fact Sheet

    In 2000, there were over 32 million foreign-born residents in the U.S. Immigrants often face barriers to health coverage and health services. The disparities confronting immigrants can be similar to those faced by low-income working families generally, but immigrants also face other barriers, including linguistic issues and eligibility changes that have limited their ability to qualify for Medicaid. These new or updated publications address issues related to how race, immigration status, and language affect insurance…

  • Health Care Coverage and Access for Hispanics: How Does It Differ Across America

    Event Date:
    Event

    A new report from the Foundation's Kaiser Commission on Medicaid and the Uninsured finds that as the Hispanic population grows and moves beyond urban centers, Hispanics in "new growth communities" face greater barriers to health care than those in cities considered "major Hispanic centers." By 2003, the uninsured rate for Hispanics in new growth communities rose to a level equal to that of Hispanics in major centers. However, less than half (43%) of the Hispanic…

  • Health Savings Accounts and High Deductible Health Plans: Are They An Option for Low-Income Families?

    Issue Brief

    Health Savings Accounts (HSAs) are a type of medical savings account that allow consumers to save for medical expenses on a tax-fee basis. They are linked with high deductible health plans (HDHPs), and together these insurance and savings options represent a new approach to health care, commonly referred to as consumer-directed care. This brief, based on analyses of available data and research, finds that most low-income families would not benefit from HSA-HDHPs due to an…