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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 Connection Between Health Coverage and Income Security

    News Release

    Using data from a new Kaiser Family Foundation panel survey following the uninsured in California who gained coverage since 2010, Drew Altman's latest column in The Wall Street Journal's Think Tank shows how expanding health coverage and improving economic security for working Americans are connected even though they are often part of separate policy debates. All previous columns by Drew Altman are available online.

  • New Survey Examines Assistance Provided to Consumers During Second Affordable Care Act Open Enrollment

    News Release

    A new Kaiser Family Foundation survey of insurance brokers and assistance programs examines the help they provided to consumers during the 2015 open enrollment period for Affordable Care Act coverage. The 2015 Survey of Health Insurance Marketplace Assister Programs and Brokers provides estimates of the number of people helped and the number and type of assister programs, while offering an in-depth look at assisters’ assessments of the enrollment process in the second year of the…

  • Health Centers Reauthorization: An Overview of Achievements and Challenges

    Report

    This report reviews the role of community health centers in the nation's health care safety net. Today, over 1,000 federally funded and “look-alike” health centers serve 14.3 million people, three-quarters of whom are uninsured or covered by Medicaid. As health centers look toward legislative reauthorization in 2006, they face several policy challenges reviewed in this report, including an increase in the uninsured populations, potential decreases in Medicaid revenue, and a need to increase health centers'…

  • March 30, 2006 Policy Forum to Release the National ADAP Monitoring Report

    Event Date:
    Event

    The National ADAP Monitoring Report provides the latest data on state AIDS Drug Assistance Programs (ADAPs). ADAPs, authorized under Title II of the Ryan White Comprehensive AIDS Resources Emergency (CARE) Act, provide HIV/AIDS-related prescription drugs to uninsured and underinsured individuals living with HIV/AIDS. ADAPs operate in 57 U.S. states, territories, and associated jurisdictions. The report, the tenth in an annual series, was prepared by the Kaiser Family Foundation and the National Alliance of State and…

  • Voices of the Storm: Health Experiences of Low-Income Katrina Survivors

    Report

    This report provides key findings from interviews with low-income Katrina survivors about their health care experiences after the storm to provide insight into how they fared and to highlight ways to improve the response to this and future disasters. The report also includes several in-depth, individual profiles of survivors’ health care experiences and highlights some specific experiences of individuals with HIV/AIDS. The report is based on in-person interviews conducted with more than 40 survivors and…

  • Uninsured Children in the South, December 2007

    Report

    Uninsured Children in the South, December 2007 Commissioned by the Foundation, this report by the Southern Institute on Children and Families provides state-by-state estimates of uninsured children in the southern region of the country, which contains 17 states and the District of Columbia. The report contains fact sheets showing estimates of uninsured children for each of these states and shows that nearly half (46%) of the over nine million uninsured children in the United States…

  • Healthy Indiana Plan: Key Facts and Issues

    Issue Brief

    This issue brief provides an overview of Indiana's new Medicaid waiver program, the Healthy Indiana Plan, which is the first that allows a state to use Medicaid funds to provide a benefit package modeled after a high-deductible plan and health savings account to previously uninsured adults. This piece examines key components of the plan and identifies key issues to consider. Executive Summary (.pdf) Issue Brief (.pdf)

  • New Option for States to Provide Federally Funded Medicaid and CHIP Coverage to Additional Immigrant Children and Pregnant Women

    Fact Sheet

    This fact sheet provides state-level data from a Kaiser survey that found that a large number of states are using state funds to provide health coverage to legal immigrant children and pregnant women through Medicaid, CHIP or another state program. Under the Children's Health Insurance Program Reauthorization Act of 2009, states now have the option to provide federally matched Medicaid or CHIP to some or all of the legal immigrants they have been covering solely…

  • Changes in Health Insurance Coverage, 2007-2008: Early Impact of the Recession

    Issue Brief

    This issue brief examines trends in health insurance coverage from 2007 to 2008, a period marked by the start of a deep recession. It finds that the share of the nonelderly population covered by employer-provided insurance declined, the share covered by public programs increased and the number of uninsured people continued to rise. Notably, the economic downturn affected health insurance coverage differently for adults compared to children. The increase of 1.5 million in the number…