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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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  • Child Health Facts:  National and State Profiles of Coverage

    Other Post

    Child Health Facts: National and State Profiles of Coverage Appendix 2 Medicaid Enhanced Matching Rate Matching Rate Alabama 69.3% 78.5% Alaska 59.8% 71.9% Arizona 65.3% 75.7% Arkansas 72.8% 81.0% California 51.2% 65.9% Colorado 52.0% 66.4% Connecticut 50.0% 65.0% Delaware 50.0% 65.0% District of Columbia 70.0% 79.0% Florida 55.7% 69.0% Georgia 60.8% 72.6% Hawaii 50.0% 65.0% Idaho 69.6% 78.7% Illinois 50.0% 65.0% Indiana 61.4% 73.0% Iowa 63.8% 74.6% Kansas 59.7% 71.8% Kentucky 70.4% 79.3% Louisiana 70.0%…

  • Key Findings: Kaiser Health Tracking Poll — February 2009

    Poll Finding

    This document contains the key findings from the February 2009 Kaiser Health Tracking Poll. The survey was conducted February 3 through February 12, 2009, among a nationally representative random sample of 1,204 adults ages 18 and older. Telephone interviews conducted by landline (903) and cell phone (301, including 123 who had no landline telephone) were carried out in English and Spanish. The margin of sampling error for the total sample is plus or minus 3…

  • SCHIP Program Enrollment: June 2003 Update

    Report

    This SCHIP enrollment report finds that overall enrollment growth is slowing and enrollment declined in 13 states. It also found that some states are capping enrollment and a handful of sates are reducing eligibility and benefits under SCHIP. Report (.pdf)

  • Health Insurance Coverage of the Near Elderly

    Report

    This report examines the changes in income, health status, and insurance coverage that occur with the aging of the population, focusing primarily on the nearly 26 million near elderly--those between 55 and 64 years of age. Report (.pdf)

  • Today’s Topics In Health Disparities: Is the Health Care System Ready for Health Reform?

    Event Date:
    Event

    On Wednesday, November 4, at 1 p.m. ET, this Today's Topics In Health Disparities live webcast examined how ready the health care system is for the influx of newly covered individuals that health reform aims to deliver. In the health care proposals being considered by Congress, changes to Medicaid alone could mean as many as 15 million people would become newly eligible for the program and many live in medically underserved areas. The program will…

  • The President’s FY 2006 Budget Proposal:

    Report

    Overview and Briefing Charts This chartpack reviews the President’s FY 2006 budget request to Congress and highlights overall budget assumptions and funding for major health programs. It begins with a description of the federal budget process, followed by an overview of federal surplus/deficit spending patterns dating back to 1969. It then turns to summary information on the overall composition of the Administration’s budget, followed by the President’s proposed funding for some of the major programs…

  • New Resources & Briefing Examine Medicaid Long-Term Services and Supports

    Event Date:
    Event

    The following resources by the Kaiser Family Foundation’s Commission on Medicaid and the Uninsured (KCMU) examine the latest data findings regarding Medicaid’s long-term services and supports for seniors and people with disabilities. The materials were released at a public briefing in the Foundation’s Washington, D.C. offices that featured an expert panel and remarks on long-term services and supports by U.S. Secretary of Health and Human Services Kathleen Sebelius. The reports include: Medicaid Home and Community-Based…

  • Improving Access to Adult Primary Care in Medicaid: Exploring the Potential Role of Nurse Practitioners and Physician Assistants

    Issue Brief

    The inadequate supply of primary care providers is among the major challenges facing the U.S. health care system. Sixty-five million people live in areas designated by the federal government as having a shortage of primary care providers. Under the Patient Protection and Affordable Care Act (ACA), the pressures on access are certain to grow as millions of newly insured people enter the health care system. By 2020, the U.S. will face an estimated shortage of…

  • Massachusetts Health Care Reform: Six Years Later

    Issue Brief

    In 2006, then-Gov. Mitt Romney signed Massachusetts' comprehensive health reform designed to provide near-universal health insurance coverage for state residents. Building on a long history of health reform efforts, the state embarked on an ambitious plan to promote shared individual, employer, and government responsibility. This brief examines Massachusetts' experience with coverage and access to care over the last six years, as well as the state's ongoing efforts to deal with persistent high health-care costs. The…