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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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  • Medicaid’s Role for Low-Income Medicare Beneficiaries

    Fact Sheet

    Medicaid's Role for Low-Income Medicare Beneficiaries An overview that identifies low-income Medicare beneficiaries (dual eligibles), how Medicaid can provide care for them, and the challenges to accessing care. Fact Sheet: Medicaid's Role for Low-Income Medicare Beneficiaries

  • Kaiser /Harvard Survey of Americans on Health Policy

    Poll Finding

    A telephone survey of 1,011 adults (between June 20 and July 9, 1996) about how health care reform (specifically Medicare reform, MSAs and the Kassebaum/Kennedy bill) fits into the upcoming November election. The survey was designed by the Kaiser Family Foundation, Harvard University, and Princeton Survey Research Associates (PSRA). The survey was conducted by PSRA. The The margin of error was plus or minus 3 percent. The survey data was released at a press briefing…

  • Small Employers and Health Insurance and State Reforms of Small Group Health Insurance – Fact Sheet

    Fact Sheet

    Small Employers and Health Insurance Nearly half of all uninsured workers are either self-employed or work for firms with fewer than 25 employees; another 14% are in firms with 25-99 workers (EBRI, 1996). Differences in health coverage depending on the size and type of businesses have existed for years. Today, only half of small businesses sponsor health benefits. Health insurance among small employers has changed dramatically during the first half of the 1990s, however. More…

  • President Bush’s Budget:  An Overview of Health Programs

    Other Post

    President Bush's Budget: An Overview of Health Programs A new Foundation presentation provides an overview of President Bush s federal budget proposal for Fiscal Year 2002, focusing on its impact on health programs. The budget largely keeps pace with expected growth in Medicare and Medicaid, creates a prescription drug block grant to states for low-income seniors, proposes decreased funding for some public health programs, and would provide either limited or no growth for central programs…

  • Impact of Potential Changes to ERISA: Litigation and Appeals Experience of CalPERS, Other Large Public Employers and a Large California Health Plan

    Report

    The Employee Retirement Income Security Act (ERISA) currently preempts state law related to the wrongful denial or delay of health benefits to the extent that such laws relate to a health benefit plan sponsored by a private employer. This report examines the frequency, nature and costs associated with the appeals and litigation that state and local governmental employers have experienced. Information was gathered through multiple telephone interviews with individuals with extensive involvement in administrative appeals…

  • Participation in Welfare and Medicaid Enrollment – Issue Paper

    Report

    Participation in Welfare and Medicaid Enrollment September 1998 The number of families receiving cash assistance through Aid to Families with Dependent Children (AFDC) or Temporary Assistance to Needy Families (TANF) programs has decreased dramatically in recent years. From March 1994 to March 1998, caseloads fell by 35%, declining from 5 million to 3.2 million families. Recent data also indicates that there has been a decline in Medicaid enrollment. Although the decline is small in comparison…

  • Post-Election Survey: Priorities for the 106th Congress

    Poll Finding

    A national voter survey by the Kaiser Family Foundation and Harvard School of Public Health conducted shortly after the November congressional elections in 1998. The purpose is to gauge voters' priorities for the next Congress, both generally and with specific regard to health care issues. The survey also measures voter attitudes on Medicare and HMO reform, proposals to help the uninsured, and abortion. The survey was conducted by Princeton Survey Research Associates. TOPLINE Download CHARTPACK…

  • Health Care Reform: Issues Relating to Managed Care

    Other Post

    Health Care Reform: Issues Relating to Managed Care Note: This publication is no longer in circulation. However, a copy may still exist in the Foundation's internal library that could be reproduced. Please email order@kff.org if you would like to pursue this option.