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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 >>

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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  • 10 Things to Know About Medicaid

    Issue Brief

    At the start of 2025, many issues are at play that will affect Medicaid coverage, financing, and access to care. While Medicaid was not discussed much on the campaign trail, Congress may consider big changes as part of tax and spending debates and the Trump administration may make changes to Medicaid through executive actions. Amid the potential changes, this brief highlights ten key things to know about Medicaid.

  • A Medicaid Per Capita Cap: State by State Estimates

    Issue Brief

    This analysis examines the potential impacts on states, Medicaid enrollees, and providers of implementing a per capita cap on federal Medicaid spending, which is one proposal that has been discussed in Congress. Such a plan could decrease federal Medicaid spending by $532 billion to almost $1 trillion over a 10-year period, depending on how states respond. An estimated 15 million people could lose Medicaid coverage by 2034.

  • We’ve Never Seen Health Care Cuts This Big

    Perspective

    In this July 1 column for The New York Times Opinion section, KFF Executive Vice President for Health Policy Larry Levitt explains how the budget reconciliation bill passed by the Senate on July 1 is effectively a partial repeal of the Affordable Care Act (ACA) and, if signed into law, the resulting reductions in Medicaid and ACA Marketplace coverage would make it "the biggest rollback in federal support for health coverage ever."

  • A Final Look: California’s Previously Uninsured after the ACA’s Third Open Enrollment Period

    Report

    The Kaiser Family Foundation California Longitudinal Panel Survey is a series of surveys that, over time, tracked the experiences and views of a representative, randomly selected sample of Californians who were uninsured prior to the major coverage expansions under the Affordable Care Act (ACA). The initial baseline survey was conducted with a representative sample of 2,001 nonelderly uninsured Californian adults in summer 2013, prior to the ACA’s initial open enrollment period. After each enrollment period…

  • Adults who Remained Uninsured at the End of 2014

    Issue Brief

    This report, based on the 2014 Kaiser Survey of Low-Income Americans and the ACA, profiles the adult population that remained uninsured as of Fall 2014. It describes the characteristics of this population, examines why they lack insurance coverage and reasons for not enrolling in ACA coverage, and provides information on the coverage options available to the remaining uninsured and their plans for obtaining coverage in 2015.

  • Are Uninsured Adults Who Could Gain Medicaid Coverage Working?

    Fact Sheet

    As additional states consider whether to implement the ACA Medicaid expansion, some have raised pursuing waiver authority to tie Medicaid eligibility for adults under the expansion to work requirements. This fact sheet profiles uninsured adults who could gain Medicaid coverage under the ACA by their relationship to the workforce and job-based coverage.

  • An Overview of Delivery System Reform Incentive Payment (DSRIP) Waivers

    Issue Brief

    This brief will examine similarities and difference across key elements of DSRIP waivers. The states included in this analysis are: California, Texas, Kansas, New Jersey, Massachusetts, and New York. The key elements of DSRIP initiatives that will be explored in this analysis include: the goals and objectives of the DSRIP initiative; eligible providers; projects and organization; allocation of funds; data collection and evaluation/reporting; and financing of DSRIP waivers.

  • Visualizing Health Policy: Understanding the Effect of Medicaid Expansion in the South

    News Release

    This Visualizing Health Policy infographic examines the effect of decisions by states in the South to implement or forgo the Affordable Care Act Medicaid expansion. It shows that Southerners are more likely than people living in other parts of the United States to be uninsured; that most Southern states have poverty rates above the national average; that without the Medicaid expansion (which most Southern states are not implementing), Medicaid eligibility levels for adults in the…

  • A Profile of Community Health Center Patients: Implications for Policy

    Issue Brief

    Community health centers are a key source of primary care in underserved areas. Their role will grow as coverage expands under the ACA. To sharpen understanding of the health center patient population, this brief compares them to the low-income population overall, using the Health Center Patient Survey and National Health Interview Survey. The pre-ACA profile of health center patients that emerges sets the stage for measuring change and highlights important implications of states’ Medicaid expansion…