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

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  • What Do the Early Medicaid Unwinding Data Tell Us?

    Policy Watch

    As states begin to unwind the COVID emergency continuous enrollment provision and resume Medicaid disenrollments, early data from a handful of states – highlighted on KFF’s regularly-updated Medicaid Enrollment and Unwinding Tracker -- reveal wide variation in disenrollment rates.

  • Federal Legislation Related to Medicaid and Opioids: What to Watch

    News Release

    With President Trump having declared the opioid epidemic a public health emergency, both the House and Senate are advancing legislation to address the crisis. A new issue brief from the Kaiser Family Foundation summarizes current federal legislative proposals related to Medicaid’s role in the opioid epidemic and identifies issues to watch as final legislation takes shape. The House has passed several bills culminating in the Substance Use Disorder Prevention that Promotes Opioid Recovery and Treatment…

  • 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.

  • 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.

  • From the Federal Response to COVID-19 to Ongoing Efforts to Repeal the ACA and Proposals for Lowering Drug Prices, President Trump Has an Extensive Record on Health Care

    News Release

    Since taking office in 2017, President Trump has laid down an extensive record on health care, including his response to the COVID-19 pandemic, his early and ongoing efforts to repeal and replace the Affordable Care Act, his annual budget proposals to curb spending on Medicare and Medicaid, his executive orders and other proposals to lower prescription drug prices, and his initiative on hospital price transparency. President Trump’s record on health care provides a window into…

  • A Court Ruling Striking Down the ACA Would Eliminate the Medicaid Expansion and Cause Millions of Low-Income People to Become Uninsured

    News Release

    Millions of low-income Americans currently covered by Medicaid likely would become uninsured if the Supreme Court were to strike down the Affordable Care Act in California v. Texas, a legal challenge the high court is scheduled to hear in early November, KFF experts explain in a new Policy Watch post. Overturning the ACA would eliminate the expansion of Medicaid, which largely has been financed by the federal government, and eliminate eligibility for Medicaid for low-income…

  • 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.

  • How Could the Build Back Better Act Affect Uninsured Children?

    Issue Brief

    This brief examines characteristics of uninsured children in 2020 and discusses how current policy proposals, including outreach efforts, continuous eligibility requirements, and closing the coverage gap, could affect children’s health coverage. Recent efforts to expand coverage for adults could benefit children’s coverage, especially for children in non-expansion states if the coverage gap is filled as proposed by the Build Back Better Act (BBBA).

  • More Than 6 in 10 of the Remaining 27.4 Million Uninsured People in the U.S. are Eligible for Subsidized ACA Marketplace Coverage, Medicaid or the Children’s Health Insurance Program

    News Release

    Recent policy attention has focused on efforts to reduce the number of uninsured people in the U.S. by expanding eligibility for coverage assistance, including enhanced premium subsidies in the Affordable Care Act (ACA) Marketplace and filling the Medicaid “coverage gap.” A new KFF analysis shows that a majority of the 27.4 million people who remained uninsured in 2020 already are eligible for financial assistance for coverage through Medicaid/CHIP or the Marketplace, suggesting that policies in…