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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271 - 280 of 1,310 Results

  • How 13 Million Americans Could Lose Insurance Subsidies

    From Drew Altman

    This was published as a Wall Street Journal Think Tank column on November 19, 2014. Kaiser Family Foundation calculations of how many Americans could lose subsidies in 2016 depending on the Supreme Court’s ruling in King v. Burwell. The Supreme Court is expected to rule next year on King v. Burwell, the lawsuit in which the federal government’s authority to provide financial assistance to people who buy insurance in federally operated insurance exchanges is being challenged under a…

  • Challenges to Forecasting Obamacare Enrollment for 2015

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman explains why 2015 enrollment in the Affordable Care Act’s marketplaces is very hard to predict. All previous columns by Drew Altman are available online.

  • Early Impacts of the Medicaid Expansion for the Homeless Population

    Issue Brief

    This analysis provides an early look at the impact of the expansion for homeless providers and the patients they serve. It is based on focus groups conducted with administrators, providers, and enrollment workers at four sites serving homeless individuals in states that have expanded Medicaid (Albuquerque, NM; Baltimore, MD; Chicago, IL; and Portland, OR) and one site in a state that has not expanded (Jacksonville, FL), as well as administrative data collected from the sites.

  • Kaiser Calculator Now Gives Consumers 2015 Zip Code-Specific Premium and Tax Credit Estimates for Marketplace Coverage

    News Release

    The Kaiser Family Foundation's Health Insurance Marketplace Calculator now includes zip code-specific data on 2015 health plans that are being sold through the Affordable Care Act’s insurance marketplaces during the open enrollment period beginning Saturday, Nov. 15. With the new tool, consumers around the nation can generate estimates of their health insurance premiums and government subsidies for 2015 plans that they purchase on their own through an ACA marketplace. The estimates are based on zip…

  • Assessing Americans’ Familiarity With Health Insurance Terms and Concepts

    Poll Finding

    With the approaching launch of the second open enrollment period for the Affordable Care Act’s (ACA) health insurance marketplaces and at a time when open enrollment is also happening for many job-based plans, the Kaiser Family Foundation conducted a nationally representative survey of 1,292 U.S. adults to shed light on Americans’ understanding of basic health insurance terms and concepts, and to identify gaps in awareness that could lead to difficulties for some individuals as they…

  • Explaining the 2015 Open Enrollment Period

    Issue Brief

    The brief provides an overview of what consumers can expect during the second annual Open Enrollment period under the Affordable Care Act (ACA), which runs from November 15, 2014 through February 15, 2015. It is the second opportunity for uninsured individuals to enroll in private insurance coverage, premium tax credits and cost sharing subsidies and the first time that people newly insured in 2014 can renew their health plan coverage and subsidies. It also overlaps…

  • Data Note: Gearing Up For Round 2 of Open Enrollment: Some Lessons From Round 1

    Poll Finding

    As the second round of open enrollment approaches, policy makers, journalists, insurers and enrollment groups may want to keep in mind what health insurance shoppers told us about their experiences during the first open enrollment period. This data note examines selected findings from two Kaiser Family Foundation surveys that shed light on how people navigated the new options and choices available under the ACA during last fall’s open enrollment, with the hope of helping to…

  • How the Midterms Factor Into Medicaid Expansion

    From Drew Altman

    In this column for The Wall Street Journal’s Think Tank, Drew Altman discusses how Democratic victories in several close gubernatorial races on Tuesday could revive efforts to expand Medicaid.

  • Kaiser Health Tracking Poll: October 2014

    Feature

    In the final Kaiser Health Tracking Poll before the 2014 midterm elections in November, the Affordable Care Act (ACA) continues to be just one of several issues on voters’ minds. Less than 1 in 10 registered voters identify the ACA as the most important issue to their vote, ranking behind the economy, dissatisfaction with government, education and the situation in Iraq and Syria. With the ACA’s second open enrollment period approaching, the poll also finds…