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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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  • Making Sense of Recent Estimates of Eligible but Uninsured Children

    Issue Brief

    As Congress reauthorizes the State Children’s Health Insurance Program (SCHIP), accurate estimates of the number of children who are eligible for Medicaid and SCHIP but remain uninsured are critical for policy and budget development. The Congressional Budget Office (CBO) concluded that there are between 5 and 6 million children who are uninsured and eligible for Medicaid and SCHIP. CBO’s assessment is in sharp contrast to estimates released recently by the Bush Administration that indicating there…

  • Pulling It Together: Moving Away From Employer Based Coverage: Don’t Forget Public Opinion

    Perspective

    One of the underlying big issues in the unfolding health reform debate is whether most Americans should continue to get insurance through work where they get it today, or purchase it themselves in the individual private health insurance marketplace. Senator McCain promotes moving to individual insurance and having individuals rather than employers make coverage decisions, as has President Bush.  But this is not only a conservative idea.  Many on the liberal side -- such as…

  • Turning to Medicaid and SCHIP in an Economic Recession: Conversations with Recent Applicants and Enrollees

    Issue Brief

    This issue brief illuminates the emotional and pocketbook struggles of families who have suffered financial reversals and lost health coverage in the economic recession forcing many to juggle bills, skip prescription medications and postpone visits to the doctor while they scramble to find a new job. Many who once had steady employment and incomes have had to turn to Medicaid and the State Children’s Health Insurance Program for the first time, even as those programs…

  • Chartpack: Kaiser Health Tracking Poll — February 2009

    Poll Finding

    This document contains findings presented in charts from the February 2009 Kaiser Health Tracking Poll. The survey was conducted February 3 through February 12, 2009, among a nationally representative random sample of 1,204 adults ages 18 and older. Telephone interviews conducted by landline (903) and cell phone (301, including 123 who had no landline telephone) were carried out in English and Spanish. The margin of sampling error for the total sample is plus or minus…

  • Toplines: Kaiser Health Tracking Poll — August 2009

    Poll Finding

    This document contains the toplines from the August Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted August 4 through August 11, 2009, among a nationally representative random sample of 1,203 adults ages 18 and older. Telephone interviews conducted by landline (801) and cell phone (402, including 123 who had no landline telephone) were carried out in English and Spanish. The margin of…

  • Pulling it Together: The People Behind The Entitlement Debate

    Perspective

    Well before we have any clarity on the impact of the election on health reform, the pundits are handicapping the prospects of efforts to make a serious dent in the national debt and deficit.  Three national commissions are hammering out recommendations for reducing the debt and reining in entitlement spending, putting two giant health programs that serve the elderly, disabled and low-income Americans, Medicaid and Medicare, as well as Social Security, in the crosshairs of…

  • Optimizing Medicaid Enrollment: Spotlight on Technology – Using Schools and Data Matching to Enroll Kids in Medicaid and CHIP

    Issue Brief

    This brief examines efforts by the Chicago Public School system to use multiple strategies including data matching with the school lunch program, marketing and local organizing to target children for outreach and enrollment in public health insurance and other benefits. It is the third brief in a Spotlight on Technology series profiling several states' innovative applications of technology to Medicaid enrollment efforts. The series illustrates a range of approaches that states can adopt to improve…

  • Health Insurance Coverage in America:  2003 Data Update

    Report

    Health Insurance Coverage in America: 2003 Data Update This chartbook provides 2003 data on health insurance coverage, with special attention to the uninsured. It includes trends and major shifts in coverage and a profile of the uninsured population. Chartbook (.pdf)