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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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  • The Potential Side Effects of Halbig

    Perspective

    The Halbig case, if it prevails, would have far-reaching side effects on the Affordable Care Act’s employer mandate and the functioning of the individual insurance market.

  • Community Health Centers and Medication-Assisted Treatment for Opioid Use Disorder

    Issue Brief

    In the midst of the coronavirus pandemic, emerging evidence suggests drug overdoses, including opioid overdoses, are increasing. As safety net primary care providers, community health centers play a significant role in efforts to address the ongoing opioid crisis and have become a major source of medication-assisted treatment (MAT), the standard of care for those with opioid use disorder (OUD). This issue brief presents findings from a 2019 survey of community health centers on activities related…

  • Health Care and the 2020 Presidential Election

    Feature

    This side-by-side comparison examines President Trump’s record and former Vice President Biden’s positions across a wide range of key health issues, including the response to the pandemic, the Affordable Care Act marketplace, Medicaid, Medicare, drug prices, reproductive health, mental health and opioids, immigration and health coverage, and health care costs.

  • As Unemployment Skyrockets, KFF Estimates More than 20 Million People Losing Job-Based Health Coverage Will Become Eligible for ACA Coverage through Medicaid or Marketplace Tax Credits

    News Release

    Coverage Losses Will Affect At Least a Million Residents in Each of Eight States: California, Texas, Pennsylvania, New York, Georgia, Florida, Michigan and Ohio With more than 31 million workers filing unemployment claims between March 1 and May 2 as the coronavirus crisis hit the nation’s economy, a new KFF analysis estimates 26.8 million people across the country would become uninsured due to loss of job-based health coverage if they don't sign up for other…

  • Hispanic People are Facing Widening Gaps in Health Coverage

    Policy Watch

    New analysis shows that, in 2019, the number of uninsured continued to increase for the third year in a row. Much of the coverage loss between 2018 and 2019 was among Hispanic people, and these data point to significant increased barriers to health care for Hispanic people.

  • President Trump’s Record on Health Care

    Issue Brief

    This issue brief provides a detailed overview of the Trump Administration’s record on health care issues relating to: the Administration’s response to the COVID-19 pandemic, the ACA and private insurance markets, Medicaid, Medicare, reducing prescription drug and other health care costs, sexual and reproductive health, mental health and substance use, immigration and health, long-term care, HIV/AIDS policy, and LGBTQ health.