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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 >>

Data and analysis

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.

State Health Facts: Health Coverage & the Uninsured

Get data on health insurance status for the population overall and broken down by age, gender, and income. More than 800 up-to-date health indicators at the state level can be mapped, ranked, and downloaded through State Health Facts.

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 tax credits that would make ACA coverage affordable to them.

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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  • Visualizing Health Policy: Medicaid—Its Role Today and Under the Affordable Care Act

    Other Post

    The August 2012 Visualizing Health Policy infographic examines the role Medicaid plays in the lives of many Americans today, and how that role will change under the Affordable Care Act. See the full-size infographic at The Journal of the American Medical Association View the related Slideshow Visualizing Health Policy is a monthly infographic series produced in partnership with the Journal of the American Medical Association (JAMA). The infographics will be freely available on JAMA’s website and will be…

  • Health Homes for Medicaid Beneficiaries with Chronic Conditions

    Issue Brief

    This brief profiles four states that were the first to receive federal approval to take up a state option under the Affordable Care Act to implement health homes for Medicaid beneficiaries with chronic conditions. Almost half of the 9 million people who qualify for Medicaid on the basis of disability suffer from mental illness and 45 percent have three or more diagnosed chronic conditions. Health homes provide an important tool for states trying to manage…

  • A Historical Review of How States Have Responded to the Availability of Federal Funds for Health Coverage

    Issue Brief

    This historical review finds that the availability of federal funds has served as an effective incentive for states to provide health coverage to meet the health and long-term care needs of their low-income residents despite state budget pressures. The brief examines the history of earlier experiences and provides important context for how states may respond as they weigh the costs and benefits of expanding their Medicaid programs in 2014 as called for under the Affordable…

  • How Five Leading Safety-Net Hospitals Are Preparing For The Challenges and Opportunities of Health Care Reform

    Report

    This study, published in the journal Health Affairs, examines how five leading safety-net hospitals are preparing for major changes expected to result from the Affordable Care Act (ACA), including less government support for uncompensated care and the need to compete for newly insured people. The hospitals studied are Bellevue Hospital Center in New York City; Denver Health Medical Center in Colorado; Parkland Health and Hospital System in Dallas; San Francisco General Hospital in California; and…

  • A Guide to the Supreme Court’s Decision on the ACA’s Medicaid Expansion

    Issue Brief

    On June 28, 2012, the U.S. Supreme Court issued its decision in the case challenging the Affordable Care Act (ACA). The Court upheld the constitutionality of the ACA's individual mandate, which requires most people to maintain a minimum level of health insurance coverage beginning in 2014. A majority of the Court also found the ACA's Medicaid expansion unconstitutionally coercive of states, while a different majority of the Court held that this issue was fully remedied…

  • Implementing the ACA’s Medicaid-Related Health Reform Provisions After the Supreme Court’s Decision

    Issue Brief

    On June 28, 2012, the U.S. Supreme Court upheld the constitutionality of the Affordable Care Act (ACA). A majority of the Court also found the ACA’s Medicaid expansion unconstitutionally coercive of states, while a different majority of the Court held that this issue was fully remedied by limiting the Health and Human Services (HHS) Secretary’s enforcement authority. The practical effect of the Court's decision makes the Medicaid expansion optional for states. This brief addresses questions…

  • Summary of Coverage Provisions in the Patient Protection and Affordable Care Act

    Issue Brief

    This short summary describes the health coverage provisions contained in the final version of the Affordable Care Act signed into law in March 2010, including the individual mandate requirements, expansion of public programs, health insurance exchanges, changes to private insurance and employer requirements.

  • Health Care After the Supreme Court Decision: What’s Next?

    Event Date:
    Event

    The Alliance for Health Reform and the Kaiser Family Foundation discuss the recent Supreme Court ruling on the constitutionality of the health reform law. Panelists explore such questions as: What does the court's ruling mean for those without health insurance? Will states that choose to participate in the Medicaid expansion be ready to cover nearly all non-disabled adults under age 65 with household incomes at or below 133 percent of the federal poverty level as…

  • Program Integrity in Medicaid: A Primer

    Issue Brief

    Medicaid covers more than 60 million Americans and accounts for about one in six dollars spent on health care in the United States. Multiple agencies at the state and federal levels are involved in efforts to prevent waste, fraud and abuse in the program and ensure appropriate use of taxpayer dollars, and many program integrity initiatives are yielding positive results. The Affordable Care Act (ACA) builds on earlier efforts through the Deficit Reduction Act to…

  • A Guide to the Supreme Court’s Affordable Care Act Decision

    Issue Brief

    This policy brief describes the Supreme Court's decision on the Affordable Care Act and looks ahead to the implementation of health reform now that questions about the constitutionality of the law have been resolved. Brief (.pdf)