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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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  • Addressing Health and Social Needs of California’s Immigrant Families: Lessons Learned from Local Responses and Future Priorities

    Event Date:
    Event

    A flurry of federal activity on immigration rules and policies is affecting health care and coverage for both lawfully residing immigrants and undocumented immigrants in the country, ranging from deportation policies, a revised “public charge” rule, and a new proclamation from President Trump requiring health insurance for entry via immigrant visas. California has the largest share of immigrants among its population, and has been at the forefront of current policy debates, including moving forward on…

  • With More than Half of Medicaid Enrollees Awaiting their Renewal Process, New Report Highlights Lessons Learned that Can Inform State Efforts and Reduce Disenrollments for “Procedural” Reasons

    News Release

    At the beginning of 2024, nine months into states’ efforts to unwind the Medicaid continuous enrollment provision and reverify enrollees’ eligibility, states have completed renewals for less than half of all enrollees. To gain a better understanding of what challenges states are facing and the effects of different unwinding strategies, KFF interviewed state Medicaid officials in Arizona, Indiana, and Pennsylvania, as well as others involved, including representatives from Medicaid, managed care plans, legal aid organizations,…

  • Do State Decisions to Prioritize Renewals for Medicaid Enrollees Who are Likely Ineligible Affect Early Disenrollment Rates?

    Policy Watch

    Some states are prioritizing Medicaid renewals for enrollees flagged as likely to be ineligible. Early data from Arizona, Idaho, and Pennsylvania show disenrollment rates for flagged enrollees are higher than for other enrollees. This analysis considers why different state approaches to renewals may explain some – but not all – variation in disenrollment rates across the U.S.

  • Millions of Uninsured People Can Get Free ACA Plans

    Policy Watch

    This post estimates that about 5 million uninsured people across the country could get coverage through an Affordable Care Act (ACA) Marketplace health plan with virtually no monthly premium if they enroll during the 2023 open enrollment period, which runs through Jan. 15 in most states.

  • About 5 Million Uninsured People Could Get ACA Marketplace Coverage Without a Monthly Premium – But They Would Have to Enroll Soon

    News Release

    About 5 million uninsured people across the country could get coverage through an Affordable Care Act Marketplace health plan with virtually no monthly premium if they enroll soon, a new KFF analysis finds. In most states, open enrollment runs through January 15, with tax credits available to help eligible low- and middle-income people afford coverage. Those tax credits would offset the full monthly premium for the lowest cost plan or plans for millions of uninsured…

  • Section 1115 Waiver Watch: Continuous Eligibility Waivers

    Policy Watch

    The pandemic continuous enrollment provision and other research show that continuous eligibility reduces Medicaid disenrollment and “churn” rates and helps to ensure stable coverage. As many Medicaid enrollees are currently experiencing disruptions in coverage as a result of the Medicaid unwinding, a number of states are pursuing strategies to help promote continuity of coverage, including through unwinding waivers and Section 1115 demonstration waivers. This Waiver Watch summarizes approved and pending Section 1115 waivers with continuous…

  • New KFF Focus Groups Reveal Medicaid Enrollee Experiences During Unwinding

    News Release

    Over six months after the expiration of pandemic-era enrollment protections, at least 27 million Medicaid enrollees—or roughly one-in-three enrollees across the country—have completed their state’s eligibility renewal process for the program. Over 18 million people have had their coverage renewed and over 10 million have been disenrolled, as of November 8, 2023. New KFF focus groups look beneath the numbers at the experiences of enrollees who have gone through the Medicaid renewal process. Drawing from…