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Quote from KFF President and CEO Drew Altman reads, "when it comes to the “affordability crisis” driving the national discussion of health care today, the chronically ill, and most of all the chronically ill uninsured, are the tip of the spear."

The Group that Struggles the Most in American Health Care

In a new column, Dr. Drew Altman, KFF’s Founding President and CEO, previews findings about the chronically ill uninsured from a large KFF survey of 25,000 Americans focusing on the cost and access challenges facing the chronically ill, which will be released tomorrow. He writes: “There are more than enough needs to go around in American health care, but if I had to pick the one group that struggles the most with costs and access, it would be people with chronic illnesses who are also uninsured.”

Other “Beyond the Data” columns >>

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.

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.

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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  • Health Reform and State Workforce Challenges: An Early Look at Five States

    Report

    This report provides an early look at state efforts to prepare for health reform, examining the experiences to date in five states (Connecticut, Michigan, Massachusetts, North Carolina and Washington). The report finds that the state political environment and expected leadership transitions create uncertainties and are already factoring into state strategies on health reform implementation. State leaders dealing with an aging workforce, hiring constraints, and the toll from the recession also see a need for additional…

  • Pulling it Together: About Kaiser Health News

    Perspective

    There is lots of apocalyptic talk these days about the collapse of the newspaper industry and the challenges facing news organizations.  There is even talk of the unimaginable, my hometown paper The Boston Globe shutting down. Surely they know that Red Sox Nation cannot exist without the Globe Sports pages. All kinds of solutions have been proposed, from micro-payments for news stories like songs on iTunes to foundation-endowed daily newspapers.  There is growing talk of…

  • State Medicaid Agencies Prepare for Health Care Reform While Continuing to Face Challenges from the Recession

    Issue Brief

    This report, based on discussions with leading state Medicaid directors in May 2010, examines how Medicaid agencies are preparing for a lead role in implementing health reform while continuing to deal with the impact of the recession. The report augments the most recent annual Medicaid budget survey report, released in September 2009, and a mid-year update report released in February 2010. NOTE: Updated report on fiscal years 2010 and 2011 now available. Report (.pdf)

  • Kaiser Health Tracking Poll: March 2013

    Feature

    Three years after the passage of the Affordable Care Act, the March 2013 Kaiser Health Tracking Poll finds that a majority of Americans are unsure how the law will impact them, and few are paying attention to the details of state-level decisions about implementation.

  • Kaiser Health Tracking Poll: June 2013

    Feature

    As the country gears up for implementation of the major provisions of the Affordable Care Act (ACA), June's Kaiser Health Tracking Poll takes a step back and examines views on health insurance more broadly among some key subgroups, including young adults, the uninsured, and those with pre-existing conditions. The poll finds that the large majority of Americans want and value health insurance.

  • Kaiser Health Security Watch

    Feature

    The Kaiser Health Security Watch uses Kaiser Health Tracking Poll data to measure the public's health care-related problems and worries, including problems paying medical bills, skipping or delaying health care due to cost, and worrying about their future ability to pay for care and keep insurance. The Health Security Watch describes the overall numbers, and examines which types of people are most likely to report these problems and worries. The May 2012 update to the Health…

  • Kaiser Health Tracking Poll — August 2011

    Feature

    The August tracking poll examines the views of Americans without health insurance, with a particular focus on how they think the health reform law will affect them. Findings from the poll include: Although estimates are that 32 million uninsured Americans will gain coverage under the ACA, only about half of non-elderly Americans currently without coverage say they are familiar with the chief components in the law designed to achieve this goal. Perhaps because awareness of…

  • Medicaid Financing: An Overview of the Federal Medicaid Matching Rate (FMAP)

    Issue Brief

    Since its enactment in 1965, the Medicaid program has used the Federal Medical Assistance Percentage (FMAP) to determine the federal government's share of the cost of covered services in state Medicaid programs. On average, the federal share has been 57 percent. Beginning in 2014, the Affordable Care Act (ACA) establishes highly enhanced FMAPs for the cost of services to low-income adults with incomes up to 138% of the Federal Poverty Level (FPL) who are not…

  • Immigrants’ Access to Health Care After Welfare Reform:  Findings from Focus Groups in Four Cities-1608

    Report

    Immigrants' Access to Health Care After Welfare Reform: Findings from Focus Groups in Four Cities A new analysis of focus groups in Los Angeles, Miami, New York, and San Antonio reveal immigrants' knowledge of and attitudes toward public programs such as Medicaid and CHIP. Themes explored include current health coverage, participation in programs, barriers to enrollment, and access to care. Report

  • Medicaid Coverage and Spending in Health Reform: National and State-By-State Results for Adults at or Below 133% FPL

    Report

    This analysis, performed by the Urban Institute for the Kaiser Commission on Medicaid and the Uninsured, shows that the expansion of Medicaid under the health reform law will significantly increase the number of people covered by the program and reduce the uninsured in states across the country, with the federal government picking up the vast majority of the cost. The analysis is among the first to show for all 50 states and the District of…