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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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  • Key Findings: Kaiser Health Tracking Poll — September 2009

    Poll Finding

    This document contains the key findings from the September Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted September 11 through September 18, 2009, among a nationally representative random sample of 1,203 adults ages 18 and older.

  • Kaiser Health Tracking Poll — September 2009

    Feature

    The September Kaiser Health Tracking Poll finds that public support for health reform ended its summer slide, reversed course and moved modestly upwards in September. The survey also finds initial majority support for taxing expensive health plans and imposing fees on insurers to pay for reform.

  • How Will Uninsured Children Be Affected By Health Reform?

    Issue Brief

    This brief examines uninsured children and how they could be affected by health reform, including estimates of how many might qualify for coverage under a Medicaid expansion, how many would be eligible for subsidies and how many would not be eligible for such help. Issue Brief (.

  • Key Findings: Kaiser Health Tracking Poll — July 2009

    Poll Finding

    This document contains the key findings from the July Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted July 7 through July 14, 2009, among a nationally representative random sample of 1,205 adults ages 18 and older.

  • A Historical Review of How States Have Responded to the Availability of Federal Funds for Health Coverage

    Issue Brief

    This historical review finds that the availability of federal funds has served as an effective incentive for states to provide health coverage to meet the health and long-term care needs of their low-income residents despite state budget pressures. The brief examines the history of earlier experiences and provides important context for how states may respond as they weigh the costs and benefits of expanding their Medicaid programs in 2014 as called for under the Affordable Care Act.

  • How Is The Primary Care Safety Net Faring in Massachusetts? Community Health Centers In The Midst of Health Reform

    Report

    This report examines how community health centers, which provide comprehensive primary care for low-income and uninsured patients, have fared under Massachusetts' health reform law. Community health centers saw a significant increase in patient load amid the state's efforts to improve health coverage by expanding public programs and making private insurance more affordable.

  • Ensuring Access to Care in Medicaid Under Health Reform

    Issue Brief

    This paper examines the key issues raised in a December 2010 roundtable discussion of federal and state officials and experts convened by the Kaiser Commission on Medicaid and the Uninsured to examine important issues related to ensuring access to care in Medicaid under the Patient Protection and Affordable Care Act (ACA).

  • Coordinating Coverage and Care in Medicaid and Health Insurance Exchanges

    Issue Brief

    The Kaiser Commission on Medicaid and the Uninsured convened a roundtable discussion on August 31, 2010 with a group of national and state experts to discuss key issues related to coordinating coverage and care in Medicaid and the new Health Insurance Exchanges under health reform.

  • Rising Health Pressures in an Economic Recession: A 360-Degree Look at Four Communities

    Report

    This report draws on interviews and focus groups in four communities to examine at the grassroots levels the experiences of families, employers, safety-net providers and community organizations in four U.S. communities hard hit by the recession. The communities are Beloit, Wisc.; Tampa-St. Petersburg, Fla.; Long Island, N.Y.; and Sonoma, Calif.