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

Stay informed.

Stay informed.

Filter

1,221 - 1,230 of 1,310 Results

  • The Massachusetts Health Care Landscape

    Fact Sheet

    This fact sheet summarizes the Massachusetts health care landscape, including data on demographics, population health, the uninsured and the state Medicaid program. Fact Sheet (.pdf)

  • How Five Leading Safety-Net Hospitals Are Preparing For The Challenges and Opportunities of Health Care Reform

    Report

    This study, published in the journal Health Affairs, examines how five leading safety-net hospitals are preparing for major changes expected to result from the Affordable Care Act (ACA), including less government support for uncompensated care and the need to compete for newly insured people. The hospitals studied are Bellevue Hospital Center in New York City; Denver Health Medical Center in Colorado; Parkland Health and Hospital System in Dallas; San Francisco General Hospital in California; and…

  • Visualizing Health Policy: Health Coverage Under the Affordable Care Act (ACA)

    Report

    Related Resources Study Highlights Role of Geography and Plan Shopping Under Medicare Premium Support System Medicare Part D: A First Look at Part D Plan Offerings in 2013 The Medicare Prescription Drug Benefit - An Updated Fact Sheet Online Consumer Guide to Medicare   The latest Visualizing Health Policy infographic is a flowchart illustrating the mechanisms by which people will get health coverage beginning in 2014. Medicare's Role and Future Challenges << Previous Visualizing Health…

  • The Uninsured and Their Health Care Needs: How Have They Changed Since the Recession?

    Issue Brief

    This analysis uses the Center for Studying Health System Change's (HSC) 2010 Health Tracking Household Survey, the 2007 HSC Health Tracking Household Survey and the 2003 HSC Community Tracking Household Survey to describe the uninsured population and how it has changed over the past decade, especially between 2007 and 2010 when the recession caused many with previously stable coverage to become uninsured. It finds that although the uninsured population remains disproportionately made up of younger…

  • Faces of the Medicaid Expansion: How Obtaining Medicaid Coverage Impacts Low-Income Adults

    Report

    The Affordable Care Act (ACA) seeks to fill the longstanding gap in Medicaid coverage for low-income adults by expanding eligibility to a minimum floor of 138% of the federal poverty level (FPL), or $24,344 for a family of 3 in 2012. However, the Supreme Court ruling on the ACA effectively made implementation of the Medicaid expansion a state choice. If a state does not expand Medicaid, poor uninsured adults in that state will not gain…

  • New Report Provides State-Level Data on Coverage Gains and Costs of the Medicaid Expansion in Health Reform

    News Release

    Analysis Projects Steep Decreases in Uninsured, With Federal Government Covering Vast Majority of CostsWASHINGTON -- The expansion of Medicaid under the new health reform law will significantly increase the number of people covered by the program and markedly reduce the uninsured in states across the country, with the federal government picking up the overwhelming majority of the cost, according to a state-by-state analysis released today by the Kaiser Family Foundation’s Commission on Medicaid and the Uninsured (KCMU).…

  • How Have State Medicaid Expansion Decisions Affected the Experiences of Low-Income Adults? Perspectives from Ohio, Arkansas, and Missouri

    Issue Brief

    This brief examines the experiences of low-income adults in three states that have made varied Medicaid expansion decisions: Ohio, which adopted the ACA Medicaid expansion, Arkansas which implemented the Medicaid expansion through a “Private Option” waiver, and Missouri, which has not adopted the expansion. While Arkansas and Ohio implemented the expansion in different ways, participants in both states described how obtaining coverage improved their ability to access care, contributing to improvements in their ability to…

  • Year Two of the ACA Coverage Expansions: On-the-Ground Experiences from Five States

    Issue Brief

    This brief provides an on-the-ground view of ACA implementation after completion of the second open enrollment period. It is based on 40 in-person interviews conducted in five states that have made different implementation choices, including three states (Colorado, Kentucky, and Washington) that have developed a State-based Marketplace and adopted the Medicaid expansion and two states (Utah and Virginia) that rely on the Federally-facilitated Marketplace (FFM) for enrollment of individuals into qualified health plans (QHPs) and…

  • Visualizing Health Policy: Health Care Coverage and Access for Men, 2013-2015

    News Release

    This Visualizing Health Policy infographic provides a snapshot of men’s health care and insurance coverage issues, including health status, access to care and use of services. It compares the uninsured rates of men and women, their cost barriers to care, their connection to clinicians, and their use of prescription drugs, screening, and counseling services. Fewer men than women gained coverage between October 2013 and March 2015, and the uninsured rate continues to be higher for…