Home Uninsured Topics

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

More KFF Health News

Stay informed.

Get KFF's latest on the Uninsured

Stay informed.

Get KFF's latest on the Uninsured

View the Latest: Uninsured

Filter

List Grid

1,071 - 1,080 of 1,310 Results

  • What is Medicaid’s Impact on Access to Care, Health Outcomes, and Quality of Care? Setting the Record Straight on the Evidence

    Issue Brief

    Medicaid now covers more than 1 in every 5 Americans, and millions of uninsured individuals will become newly eligible for Medicaid under the ACA. Considering Medicaid’s large and growing coverage role, an evidence-based assessment of the program’s impact on access to care, health outcomes, and quality of care is of major interest. This brief takes a look at what the research literature shows regarding the difference Medicaid makes.

  • Cost Concerns and Coverage Changes: A Follow-Up Survey of ACA Marketplace Enrollees

    Poll Finding

    This KFF survey is a follow-up survey of adults who had ACA Marketplace insurance in 2025. The survey examines the cost concerns and coverage changes that these 2025 Marketplace enrollees are experiencing following the expiration of the enhanced premium tax credits. The survey finds that half of returning enrollees say their health care costs are “a lot higher” and most expect to cut back on basic household expenses to afford coverage.

  • Analysis Finds List Prices for COVID-19 Tests Range from $20 to $850 At Large Hospitals Nationwide

    News Release

    A new KFF analysis of what large hospitals nationwide charge for out-of-network COVID-19 tests show a wide range of publicly posted prices -- from $20 to $850 for a single test. In many cases, the prices exceed what Medicare pays for COVID testing, which is either $51 or $100 depending on the test. Federal law now requires private insurers, Medicare and Medicaid to cover COVID-19 tests without any cost to the patient and provides funding…

  • With Government Funding Running Out, Americans Could Soon Face New Challenges in Accessing COVID-19 Treatments and Testing

    News Release

    A new KFF brief analyzes how the accessibility and cost of COVID-19 vaccines, treatments, and tests will change after the current government supply is depleted and the public health emergency ends. The Biden Administration has announced that it will have to end its purchase and distribution of COVID supplies as government funding is depleted. The public health emergency was recently extended for 90 additional days but is widely expected to end next year. These developments…

  • With or Without ACA Repeal, ACA and Medicaid Cuts are Looming

    Perspective

    In this JAMA Health Forum post, Executive Vice President Larry Levitt explores why the incoming Trump administration and Republican majorities in Congress are likely to pursue budget cuts in Medicaid and the Affordable Care Act and why such efforts are likely to boost the number of uninsured Americans.

  • We’ve Never Seen Health Care Cuts This Big

    Perspective

    In this July 1 column for The New York Times Opinion section, KFF Executive Vice President for Health Policy Larry Levitt explains how the budget reconciliation bill passed by the Senate on July 1 is effectively a partial repeal of the Affordable Care Act (ACA) and, if signed into law, the resulting reductions in Medicaid and ACA Marketplace coverage would make it "the biggest rollback in federal support for health coverage ever."

  • Pulling It Together: Predictions

    Perspective

    I usually don’t make predictions, unless they are backed up by the kind of statistical modeling we often produce.  But here are three predictions I am confident about that form the basis of this latest column. GROUP HEALTH INSURANCE PREMIUMS WILL CONTINUE TO RISE AT HISTORICALLY MODERATE LEVELS, AT LEAST FOR THE NEXT FEW YEARS.  One reason for this is the lingering effect of the recession.  Employers will have little trouble attracting workers in the…

  • How Is The Primary Care Safety Net Faring in Massachusetts? Community Health Centers In The Midst of Health Reform

    Report

    This report examines how community health centers, which provide comprehensive primary care for low-income and uninsured patients, have fared under Massachusetts' health reform law. Community health centers saw a significant increase in patient load amid the state's efforts to improve health coverage by expanding public programs and making private insurance more affordable. That experience shows that community health centers play a critical role in caring for newly insured patients while continuing to serve as the…