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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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  • First Glance at the Children’s Health Initiative in Santa Clara County, California

    Report

    A new background report examines Santa Clara County in California in its effort to provide health insurance coverage (Children's Health Initiative or CHI) to all children living in the county. As one of the first localities to attempt such an initiative, its experiences can highlight important lessons and potential best practices for policymakers at the county, state, and national level considering coverage expansions for children. Also see Lessons from the Field: Increasing Enrollment in Children's…

  • Uninsured Children in the South

    Fact Sheet

      Over 4 million children living in the South have no health insurance coverage. While the South experienced a decrease (3 percent) in the number of uninsured children from 1989 to 1993 -- the number of uninsured children nationally increased by 9 percent (Figure 1) -- the region accounts for a dispro-portionately high share of uninsured children in America. Over a third (36 percent) of American children live in the South, but the region accounted…

  • Health Issues in the 2000 Presidential Election

    Other Post

    A Comparison of Proposals This report presents basic, nonpartisan information to help readers compare the leading presidential candidates' proposals on health care issues, including health coverage for the uninsured, managed care and patients' rights, Medicare reform, prescription drug coverage for seniors, and long-term care. Part of a joint effort of the League of Women Voters and the Kaiser Family Foundation to educate and engage the public on key health policy issues, this side-by-side comparison is…

  • Profile of the Low-Income Uninsured

    Issue Brief

    This policy brief provides an overview of the low-income, uninsured population. Based on an analysis of the March 1998 Current Population Survey, the report discusses the demographic characteristics of this vulnerable population. It also presents information detailing health insurance coverage for low-income children and adults, as well as trends in insurance coverage over the past decade. It concludes with a discussion of recent coverage expansions and policy changes that have affected low-income Americans. The policy…

  • Medicaid Enrollment in 21 States: June 1997 – June 1999

    Report

    This report, Medicaid Enrollment in 21 States: June 1997 -June 1999, prepared by Health Management Associates, includes enrollment data obtained directly from state Medicaid and CHIP programs. Findings show that across the 21 states, which represent 73% of total Medicaid enrollment, enrollment fell from 23.2 million in June 1997 to 22.6 million in June 1998, but turned upward in June 1999 to 22.9 million. State-by-state data is included for: Arkansas, California, Florida, Georgia, Ilinois, Indiana,…

  • New Numbers on Enrollment of Uninsured Children

    Report

    This report reveals that the total number of children enrolled in state CHIP programs had grown to 1.8 million by December 1999, a 112% increase from December 1998. Although enrollment doubled in 20 states during that year, growth did begin to moderate in several states that had implemented their programs relatively earlier on. The report also demonstrates that enrollment of new children continued at roughly the same pace during the second half of 1999 as…

  • Health News Index – January/February 2000

    Poll Finding

    Health News Index January/February, 2000The January/February 2000 edition of the Kaiser Family Foundation/Harvard School of Public Health, Health News Index includes questions about major health stories covered in the news, including questions about the presidential candidate's health care proposals and their stands on abortion as well as a report on the declining rate of abortion. The survey is based on a national random sample of 1,006 Americans conducted February 4-8, 2000 which measures public knowledge…

  • The Public, Managed Care and Consumer Protection

    Other Post

    The Kaiser Public Opinion Update -Revised, 2000 This new and revised Public Opinion Update summarizes key findings from surveys conducted between 1997 and 2000, a period in which the intensity of public debate and media attention paid to managed care issues varied substantially. Trends used in this Public Opinion Update are from the following Kaiser Family Foundation/Harvard University, School of Public Health Surveys: September, 1997: Survey of Americans' Views on Managed Care (11/97, #1328); December,…

  • Immigrant Health Care Conference Call

    Report

    Federal and state policymakers face a major challenge in addressing the health needs of an increasingly diverse population. That challenge can be even greater in the growing number of cities and states with large immigrant communities. In a Commission-sponsored conference call on May 15, experts on immigrant health issues discussed recent findings about how the health system is and is not working for immigrants and their potential policy implications. Audio from the conference call is…