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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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  • The Second Kaiser Family Foundation Survey of Health Care in South Africa

    Report

    The 2nd Annual Kaiser Family Foundation National Household Survey of approximately 4,000 South African households measures changes since the first survey (in 1998) in key demographics, public health, and health status indicators. The survey also establishes data on access to health care and factors affecting access, such as the cost of transport, waiting time, etc., as well as patient satisfaction with the quality of care. Report

  • A Risky Proposition?  Risk-Bearing and Solvency in California’s Medical Groups — Policy Brief

    Issue Brief

    A Risky Proposition? Risk-Bearing and Solvency in California's Medical Groups -- Policy Brief A Risky Proposition? Risk-Bearing and Solvency in California's Medical Groups is an 8-page policy brief to provide information about medical groups in California, including a discussion on risk-bearing, solvency, and proposed regulatory approaches. The brief includes a variety of perspectives presented by speakers at a California Health Policy Roundtable held in Sacramento, California on July 20, 1999. Roundtable

  • Health Care: Squeezing The Middle Class With More Costs and Less Coverage

    Event

    Health Care: Squeezing The Middle Class With More Costs and Less Coverage Diane Rowland, executive vice president of the Foundation and executive director of the Foundation's Commission on Medicaid and the Uninsured, testified to the U.S. House Committee on Ways and Means about the economic challenges of rising health care costs and growing gaps in health coverage facing middle class families. Testimony (.pdf)

  • Chartpack: Kaiser Health Tracking Poll — September 2009

    Poll Finding

    This document contains the chartpack from the September 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…

  • 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…

  • 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…

  • 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…

  • The Impact of H.R. 1 on Two Medicaid Eligibility Rules

    Issue Brief

    This issue brief describes the impact of H.R.1's 10-year delay in implementing provisions in two Medicaid eligibility rules that would have reduced red tape. The delayed rules are projected to decrease federal spending and future Medicaid and CHIP enrollment and increase coverage loss.