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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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  • The Role of the Basic Health Program in the Coverage Continuum: Opportunities, Risks & Considerations for States

    Issue Brief

    This brief assesses the potential benefits and drawbacks to states from implementing a Basic Health Program under the Affordable Care Act. The law gives states the option of creating a Basic Health Program, using federal tax money to subsidize insurance coverage for low-income residents who would otherwise be eligible to purchase coverage through a state exchange. Such a program would give states the ability to provide more affordable coverage for these low-income residents and improve…

  • Key Findings: Kaiser Health Tracking Poll: Election 2008 — June 2007

    Poll Finding

    This document presents key findings from the June 2007 Kaiser Health Tracking Poll: Election 2008, which tracks changes in the saliency of health as a political and policy priority, what the public’s priorities are for a health reform plan and whether any candidates are breaking through with the public with their health reform plans   Key Findings (.pdf)

  • Employment-Based Health Insurance Coverage and its Decline:-2134

    Report

    Employment-Based Health Insurance Coverage and its Decline:The Growing Plight of Low-Wage Workers This background paper examines the increase in uninsured workers and the growing disparity in health insurance coverage between low- and high-wage workers. While a larger proportion of higher wage workers had health coverage in 1996 than a decade before, coverage deteriorated for low-wage and less-educated workers, especially young men. The paper explores many explanations for this widening disparity. The primary cause is that…

  • Race, Ethnicity & Medical Care: A Survey of Public Perceptions and Experiences

    Poll Finding

    Toplines This is a copy of the results of a telephone survey conducted on a random, national sample of nearly 4,000 African American, Latino and white adults, 18 years of age and older. The questions were designed to reveal what each respondent believed about the impact of race and ethnicity on medical care today. Some questions asked about respondents' experiences and others asked about their perceptions. Toplines/Survey Chart Pack This chartpack includes a number of…

  • Kaiser Family Foundation/Harvard University School of Public Health:  Update on Americans’ Views and Experiences in Managed Care

    Poll Finding

    Kaiser Family Foundation/Harvard University School of Public Health: Update on Americans' Views and Experiences in Managed Care The Kaiser Family Foundation/Harvard University School of Public Health: Update on Americans' Views and Experiences in Managed Care is based on findings from the April 1998 Kaiser Harvard News Interest Index. The survey was designed and analyzed by researchers at the Kaiser Family Foundation and Harvard University. Nationwide interviews were conducted by telephone with 1,201 adults, 18 years…

  • At Five Year Anniversary of the ACA, Gap Between Favorable and Unfavorable Views Among The Public Narrows to Smallest Spread in More Than Two Years

    News Release

    Most Expect Negative Consequences if Supreme Court Prohibits Subsidies in States Without Their Own Insurance Exchanges; Two Thirds of the Public and Those in Affected States Want Congress or Their State to Close Any Gaps As April 15 Tax Deadline Nears, Nearly Half Unaware Insurance Reporting Requirement Starts This Year Five years after President Obama signed the Affordable Care Act, this month's Kaiser Health Tracking Poll finds the closest split between favorable and unfavorable views…

  • COVID-19 Vaccine Access for Uninsured Adults this Fall

    Policy Watch

    This policy watch provides an overview of how uninsured adults currently access recommended vaccines, how they have accessed COVID-19 vaccines thus far, including what is known about their vaccine uptake, and proposed plans to provide COVID-19 vaccines to uninsured adults this fall and beyond.

  • The Affordable Care Act and Insurance Coverage in Rural Areas

    Issue Brief

    Rural populations face disparities compared to metropolitan populations in health care. While rural individuals were not more likely to be uninsured than metropolitan counterparts pre-Affordable Care Act, they were poorer and less likely to have private insurance. With coverage changes in the ACA involving an expansion of Medicaid for poor and near-poor populations, decisions by states with large rural populations may cause rural residents to have disparate access to coverage, which may exacerbate cost and…

  • Analysis Estimates Up To 2 Million Uninsured People Could Require COVID-19 Hospitalization

    News Release

    Patients Could Still Be on the Hook for Outpatient Costs, Costs If They Test Negative, and Cost Sharing A new KFF analysis estimates that between 670,000 and 2 million uninsured people around the country eventually could be hospitalized with COVID-19, the respiratory disease caused by the novel coronavirus. Reimbursing hospitals for those treatments could cost between $13.9 billion and $41.8 billion. Trump administration has indicated that it plans to reimburse hospitals for the care of…