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How Much and Why ACA Marketplace Premiums Are Going Up in 2026

This analysis of initial rate filings from all 50 states and DC shows ACA Marketplace insurers are proposing a median premium increase of 18% for 2026, more than double last year’s 7% median proposed increase. The analysis includes proposed rate changes by state and insurer.

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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  • Is There Room for Conscience without Compromising Access? Are Affiliations Between Religious and Secular Health Care Organizations Threatening Access?

    Fact Sheet

    These resources were prepared for a briefing held for journalists in New York City on November 4, 1997 in New York City as part of a joint program by The Alan Guttmacher Institute, The Kaiser Family Foundation and the National Press Foundation. This program focused on mergers, acquisitions, consolidations, joint ventures, and other affiliations between Catholic and non-Catholic hospitals and health systems and the effect these affiliations have on access to reproductive health services.

  • The Impact of Managed Care Legislation: An Analysis of Five Legislative Proposals from California

    Report

    This study analyzed five 1997 managed care consumer protection proposals currently or recently under consideration by the California state legislature: allowing consumers to sue their HMO (health maintenance organization) or managed care plan; expanding access to prescription drugs not approved by the health plan; expanded coverage of mental health services; direct access to obstetrical andgynecological…

  • Health Care Reform: The Long Term Care Factor

    Other Post

    Health Care Reform: The Long Term Care Factor Note: This publication is no longer in circulation. However, a copy may still exist in the Foundation's internal library that could be reproduced. Please email order@kff.org if you would like to pursue this option.

  • Warning: Inadequate Low-Income Subsidy Design Can Cause Problems for Health Care Reform

    Other Post

    Warning: Inadequate Low-Income Subsidy Design Can Cause Problems for Health Care Reform This report examines potential adverse consequences of low-income subsidy systems contained in the leading health care reform approaches including: work disincentives as a result of high marginal taxrates; employer incentives to drop coverage; and loss of coverage due to budgetary control mechanisms.

  • Native Americans and Medicaid: Coverage and Financing Issues

    Other Post

    Native Americans and Medicaid:Coverage and Financing Issues Medicaid and Welfare Until 1996, families with children who received cash assistance under the Aid to Families with Dependent Children (AFDC) program were automatically entitled to Medicaid coverage.

  • Uninsured in America – Testimony

    Event Date:
    Event

    Diane Rowland, Executive Vice President and Executive Director of the Kaiser Commission on Medicaid and the Uninsured, testified on March 9, 2004 at a U.S. House Ways and Means Subcommittee on Health hearing on issues concerning Americans who lack access to affordable health insurance. Testimony (.pdf)   Please note: the video is no longer available.

  • Health Care Costs Survey

    Poll Finding

    This comprehensive survey from USA Today, the Kaiser Family Foundation, and the Harvard School of Public Health examines how Americans are being affected by health care costs.