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Key Facts about the Uninsured Population

Despite the unwinding of the Medicaid continuous enrollment provision that began in April 2023, the number of people ages 0-64 who were uninsured held steady at 25.3 million in 2023. This issue brief describes trends in health coverage in 2023, examines the characteristics of the uninsured population ages 0-64, and summarizes the access and financial implications of not having coverage.

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.

The Uninsured: How Costs Affect Care and Health, 2023

Latest Polling
8%

Percent of adults who reported not having health insurance
55%

Percent of uninsured adults who reported delaying or forgoing some form of health care due to cost
19%

Percent of uninsured adults who report that they or a family member had difficulty paying medical bills
38%

Percent of uninsured adults who reported not having a usual source of care (vs. 8% of insured adults)
Peterson-KFF Health System Tracker

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  • Early Impacts of the Medicaid Expansion for the Homeless Population

    Issue Brief

    This analysis provides an early look at the impact of the expansion for homeless providers and the patients they serve. It is based on focus groups conducted with administrators, providers, and enrollment workers at four sites serving homeless individuals in states that have expanded Medicaid (Albuquerque, NM; Baltimore, MD; Chicago, IL; and Portland, OR) and one site in a state that has not expanded (Jacksonville, FL), as well as administrative data collected from the sites.

  • Assessing Americans’ Familiarity With Health Insurance Terms and Concepts

    Poll Finding

    With the approaching launch of the second open enrollment period for the Affordable Care Act’s (ACA) health insurance marketplaces and at a time when open enrollment is also happening for many job-based plans, the Kaiser Family Foundation conducted a nationally representative survey of 1,292 U.S. adults to shed light on Americans’ understanding of basic health insurance terms and concepts, and to identify gaps in awareness that could lead to difficulties for some individuals as they choose new plans or use their health plans.

  • Explaining the 2015 Open Enrollment Period

    Issue Brief

    The brief provides an overview of what consumers can expect during the second annual Open Enrollment period under the Affordable Care Act (ACA), which runs from November 15, 2014 through February 15, 2015. It is the second opportunity for uninsured individuals to enroll in private insurance coverage, premium tax credits and cost sharing subsidies and the first time that people newly insured in 2014 can renew their health plan coverage and subsidies. It also overlaps with the start of the tax filing season, during which subsidized individuals will undergo tax reconciliation of their 2014 financial assistance and the individual responsibility provisions of the ACA will be enforced.

  • Data Note: Gearing Up For Round 2 of Open Enrollment: Some Lessons From Round 1

    Poll Finding

    As the second round of open enrollment approaches, policy makers, journalists, insurers and enrollment groups may want to keep in mind what health insurance shoppers told us about their experiences during the first open enrollment period. This data note examines selected findings from two Kaiser Family Foundation surveys that shed light on how people navigated the new options and choices available under the ACA during last fall’s open enrollment, with the hope of helping to inform our understanding of individuals needs during this second open enrollment period.

  • How the Midterms Factor Into Medicaid Expansion

    From Drew Altman

    In this column for The Wall Street Journal’s Think Tank, Drew Altman discusses how Democratic victories in several close gubernatorial races on Tuesday could revive efforts to expand Medicaid.

  • Kaiser Health Tracking Poll: October 2014

    Feature

    In the final Kaiser Health Tracking Poll before the 2014 midterm elections in November, the Affordable Care Act (ACA) continues to be just one of several issues on voters’ minds. Less than 1 in 10 registered voters identify the ACA as the most important issue to their vote, ranking behind the economy, dissatisfaction with government, education and the situation in Iraq and Syria. With the ACA’s second open enrollment period approaching, the poll also finds the uninsured are not yet tuned in. About 9 in 10 of the uninsured are unaware of when the next open enrollment period begins, two thirds say they know “only a little” or “nothing at all” about the marketplaces, and just over half are unaware of financial assistance available.

  • Nine in Ten Uninsured Unaware that the Affordable Care Act’s Second Open Enrollment Period Starts in November

    News Release

    Most of Those Without Health Coverage Report Knowing Little or Nothing About the Insurance Marketplaces or About the Financial Assistance Available to Low- and Moderate-Income Families Broader Public Opinion on the Law Still Tilts Unfavorably, Though Gap Has Narrowed Since July and Returned to Pre-Rollout Levels With the second annual open enrollment period under the…

  • Challenges for the Next Obamacare Open Enrollment

    From Drew Altman

    In this column for The Wall Street Journal’s Think Tank, Drew Altman pinpoints the Affordable Care Act’s five biggest challenges heading into the second open enrollment period.