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New and noteworthy

2025 KFF Marketplace Enrollees Survey

If the amount they pay in premiums doubled, about one in four enrollees in ACA Marketplace health plans say they would “very likely” go without insurance in 2026, finds a KFF survey of Marketplace enrollees fielded shortly after open enrollment began in the first weeks of November 2025. One in three say they would be “very likely” to look for a lower-premium Marketplace plan.

Health Coverage Among Community Health Center Patients, 2019-2024

Community Health Center Patients, Financing, and Services

Changes to Medicaid and the ACA Marketplace included in the 2025 reconciliation law and the expiration of ACA Marketplace enhanced premium tax credits at the end of 2025 are likely to increase the number of uninsured patients and patients who cannot afford out-of-pocket costs, placing new financial burdens on community health centers.

Data and analysis

The Uninsured Population 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.

How Many Uninsured Are in the Coverage Gap?

This analysis estimates that 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 coverage ACA's Marketplaces affordable to them.

Key Facts about the Uninsured Population

The number of people ages 0-64 who were uninsured held steady at 25.3 million in 2023, although the number of uninsured children rose from 3.8 million to 4.0 million. Most uninsured people are in low-income families and have at least one worker in the family.

How the Unwinding Affected Enrollees

Over half who were disenrolled say they put off needed medical care while trying to renew Medicaid. Overall, 19% of adults who had Medicaid prior to the start of unwinding say they were disenrolled at some point in the past year. Of this group, a large majority (70%) were left at least temporarily 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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  • Two New Analyses: House COVID-19 Relief Plan Would Temporarily Lower Marketplace Premiums for Millions and More than Offset Short-Term State Costs to Expand Their Medicaid Programs

    News Release

    The House COVID-19 relief proposal would temporarily lower what millions of Marketplace enrollees and uninsured potential enrollees would pay toward premiums and would provide states that have not expanded their Medicaid programs a financial boost that would more than offset their costs initially, two new KFF analyses find.

  • What We Do and Don’t Know About Recent Trends in Health Insurance Coverage in the US

    Policy Watch

    The release of the Census Bureau’s annual health insurance estimates for 2019 highlighted the challenges posed by the lag in data on insurance coverage given the unprecedented social and economic changes that have occurred since the 2019 data were collected. This post discusses trends in insurance coverage leading up to the start of the pandemic and what we know about more recent changes in coverage.

  • Millions of Uninsured Americans are Eligible for Free ACA Health Insurance

    Policy Watch

    Amid the ongoing pandemic and high unemployment, this poste xamines how many uninsured people would be eligible for free health insurance during in a typical year, including those who qualify for Medicaid or for tax credits that cover the full cost of an ACA Marketplace plan.

  • The Language of Health Care Reform

    Perspective

    Published in the Jan. 19 edition of JAMA, this article from KFF Executive Vice President for Health Policy Larry Levitt lays out the major health policy challenges that will confront President-elect Biden and potential approaches to major reform.

  • Hispanic People are Facing Widening Gaps in Health Coverage

    Policy Watch

    New analysis shows that, in 2019, the number of uninsured continued to increase for the third year in a row. Much of the coverage loss between 2018 and 2019 was among Hispanic people, and these data point to significant increased barriers to health care for Hispanic people.

  • Kaiser Health Tracking Poll: March 2014

    Feature

    The March Kaiser Health Tracking Poll finds that the gap between unfavorable and favorable opinions of the ACA narrowed this month among the public and the uninsured, and more want Congress to improve the law than replace it. The survey also finds that six in ten of the uninsured are unaware of the March 31 deadline to sign up for coverage, and half say they plan to remain uninsured.

  • Profiles of Medicaid Outreach and Enrollment Strategies: The Cook County Early Expansion Initiative

    Issue Brief

    The brief provides an overview of the Cook County, Illinois “CountyCare” early expansion waiver experience, which may help inform continued efforts as the Medicaid expansion is implemented across states. It finds that, in just over 12 months, more than 82,000 Cook County residents successfully enrolled in CountyCare coverage, allowing the state and county to get a significant jump start on the Medicaid expansion. Illinois implemented the full Medicaid expansion in January 2014 and automatically transitioned CountyCare enrollees to the expansion. As of March 2014, CountyCare members account for nearly half of the total statewide enrollment of adults into the Medicaid expansion.

  • The Health Care Plan Trump Voters Really Want

    From Drew Altman

    In a New York Times op-ed, Drew Altman draws on observations from focus groups in rust belt states of people in the Affordable Care Act (ACA) marketplaces who voted for President-elect Trump and say they may not like their coverage under the ACA but could like Republican replacement plans even less.