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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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  • Changes in Employer-Sponsored Health Insurance Sponsorship, Eligibility, and Participation: 2001 to 2005, Full Report

    Report

    This report provides a detailed account of how employer-sponsored insurance (ESI) coverage changed between 2001 and 2005, particularly among employees (i.e., workers who are not self-employed). The report begins with a short description of the major forces driving employer-sponsored insurance: changes in the workforce and the rising costs of health insurance over the four year period. Next, the report examines the decline in ESI among employees and the reasons determining whether or not an employee…

  • Resuming the Path to Health Coverage for Children and Parents: A 50-State Update on Eligibility Rules, Enrollment and Renewal Procedures, and Cost-Sharing Practices in Medicaid and SCHIP in 2006

    Poll Finding

    Maintaining and expanding health coverage for children and parents will likely be in the forefront of health care policy debates in Washington and state capitols in 2007. With states generally in better financial shape since the fiscal crisis earlier in the decade, many have expressed interest in improving access to their Medicaid and State Children’s Health Insurance Programs (SCHIP). A new 50-state survey shows that one-third of states (17) increased access to health coverage in…

  • SCHIP Enrollment in 50 States: June 2005 Data Update

    Report

    This report finds that monthly SCHIP enrollment reached a record high of more than 4 million in June 2005, reversing the decline seen in the previous 12 month period. SCHIP enrollment rose in all but nine states, including large increase in California, Georgia, and Illinois. Report (.pdf)

  • Toplines: The Public’s Health Care Agenda

    Poll Finding

    These toplines provide the complete survey questions and findings from The Public’s Health Care Agenda for the New Congress and Presidential Campaign, conducted jointly by the Kaiser Family Foundation and the Harvard School of Public Health between November 9 and 19, 2006. The survey looks at the public’s priorities and views on health issues as a new Democratic majority takes the leadership of Congress and as the 2008 presidential campaign begins to take shape. It…

  • The Public’s Health Care Agenda for the New Congress and Presidential Campaign, December 2006

    Poll Finding

    This Kaiser Family Foundation/Harvard School of Public Health National Survey looks at the public's priorities and views on health issues as a new Democratic majority takes the leadership of Congress and as the 2008 presidential campaign begins to take shape. It focuses, in particular, on differences and similarities among Democrats, Republicans, and those who identify themselves as Independents or something else. The poll, conducted November 9-19, 2006, by the Kaiser Family Foundation and the Harvard…

  • Chartpack: The Public’s Health Care Agenda

    Poll Finding

    These charts highlight data from The Public’s Health Care Agenda for the New Congress and Presidential Campaign, conducted jointly by the Kaiser Family Foundation and the Harvard School of Public Health between November 9 and 19, 2006. The survey looks at the public’s priorities and views on health issues as a new Democratic majority takes the leadership of Congress and as the 2008 presidential campaign begins to take shape. Chartpack (.pdf)

  • Toplines: National Survey of Households Affected by Cancer

    Poll Finding

        These toplines provide the complete survey questions and findings from the National Survey of Households Affected by Cancer conducted jointly by USA Today, the Kaiser Family Foundation and the Harvard School of Public Health by telephone between Aug. 1 and Sept. 14, 2006. The survey provides an in-depth look at how families cope with cancer, and in particular, examines problems of health insurance and health care costs through the lens of those who…

  • Summary and Chartpack: National Survey of Households Affected by Cancer

    Poll Finding

        These charts highlight data from the National Survey of Households Affected by Cancer conducted jointly by USA Today, the Kaiser Family Foundation and the Harvard School of Public Health by telephone between Aug. 1 and Sept. 14, 2006. The survey provides an in-depth look at how families cope with cancer, and in particular, examines problems of health insurance and health care costs through the lens of those who have experienced this major illness.…

  • USA Today/Kaiser Family Foundation/Harvard School of Public Health National Survey of Households Affected by Cancer

    Poll Finding

      USA Today/Kaiser Family Foundation/Harvard School of Public Health National Survey of Households Affected by Cancer This USA Today/Kaiser Family Foundation/Harvard School of Public Health National Survey provides an in-depth examination of how families cope with cancer and highlights problems of health insurance and health care costs through the lens of those who have experienced this major illness. The survey shows the disease’s devastating impact often extends beyond an individual patient to affect entire families…

  • Health Coverage for Low-Income Americans:  An Evidence-Based Approach to Public Policy

    Report

    Health Coverage for Low-Income Americans: An Evidence-Based Approach to Public Policy This report offers an evidence-based framework for developing public policy approaches to covering low-income Americans. The first part of the report is devoted to the question: What is the role for publicly sponsored health insurance? The second part turns to seven central issues in structuring a publicly sponsored health insurance program for the low-income population. The report outlines each of these issues, provides a…