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Key Facts about the Uninsured Population

Despite the unwinding of the Medicaid continuous enrollment provision that began in April 2023, the number of people ages 0-64 who were uninsured held steady at 25.3 million in 2023. This issue brief describes trends in health coverage in 2023, examines the characteristics of the uninsured population ages 0-64, and summarizes the access and financial implications of not having coverage.

Data and analysis

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.

State Health Facts: Health Coverage & the Uninsured

Get data on health insurance status for the population overall and broken down by age, gender, and income. More than 800 up-to-date health indicators at the state level can be mapped, ranked, and downloaded through State Health Facts.

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 tax credits that would make ACA coverage affordable to them.

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.

The Uninsured: How Costs Affect Care and Health, 2023

Latest Polling
8%

Percent of adults who reported not having health insurance
55%

Percent of uninsured adults who reported delaying or forgoing some form of health care due to cost
19%

Percent of uninsured adults who report that they or a family member had difficulty paying medical bills
38%

Percent of uninsured adults who reported not having a usual source of care (vs. 8% of insured adults)
Peterson-KFF Health System Tracker

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  • Pulling it Together: On Health Reform, Will All Roads Meet in the Middle?

    Perspective

    A few weeks ago a small group of upset single-payer advocates followed Senator Baucus into the parking garage of our D.C. building as he was arriving to do one of our health reform newsmaker breakfasts, cosponsored by Families USA and the National Federation of Independent Business.

  • Medicaid and Children’s Health Insurance Program Provisions in the New Health Reform Law

    Issue Brief

    This brief compares the Medicaid and Children's Health Insurance Program provisions in the new health reform law with pre-reform law governing those programs. The analysis focuses on Medicaid coverage and financing changes; how Medicaid and CHIP will interface with a new health insurance exchange and other Medicaid benefits and access changes.

  • Additional Resources on Hurricane Katrina Relief

    Other Post

    U.S. Department of Health & Human Services (HHS)http://www.hhs.gov/katrina/index.html HHS Resources Targeting Minority Communitieshttp://www.os.dhhs.gov/news/press/2005pres/20050930a.html Congressional Hearings and Resources: Hearing: Hurricane Katrina: Community Rebuilding Needs and Effectiveness of Past Proposalshttp://finance.senate.gov/sitepages/hearing092805.htm Hearing: Assessing Public Health and the Delivery of Care in the Wake of Katrinahttp://energycommerce.house.gov/108/Hearings/09222005hearing1643/hearing.htm Senate Committee Reports and Other Information About Hurricane Katrinahttp://help.senate.gov/katrina.

  • 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.

  • Resources Related to Health Coverage and Hurricane Katrina

    Fact Sheet

    Health Care and Hurricane Katrina As part of the Kaiser Family Foundation's commitment to help respond to the devastation from Hurricane Katrina, you will find resources related to an ongoing effort to monitor and study the health coverage and needs of the victims. Check back frequently in the coming months for the latest updates.

  • The New Middle-Class of Uninsured Americans — Is it Real?

    Report

    This issue paper discusses and answers the question are the newly uninsured in 2001 predominantly from the middle-class. The paper examines U.S. Census Bureau s data and concludes that most of the increase in the uninsured (1.3 million people) was among low-income people with incomes less than 200% of the poverty level.

  • Access to Care for the Uninsured: An Update

    Report

    As the Census Bureau releases the latest data on health insurance coverage, prior research has shown that health insurance coverage improves access to care and health outcomes. New data from the Kaiser 2003 Health Insurance Survey updates what is known about barriers to access to health care. Chart Pack (.