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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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  • Changes in Insurance Coverage: 1994-2000 and Beyond

    Report

    This background report explores the insurance trends for the latter half of the 1990s and examines why the number of uninsured nonelderly Americans fell in 2000 for the second straight year.

  • Kaiser Family Foundation/Harvard University School of Public Health: Update on Americans’ Views on the Consumer Protections Debate

    Poll Finding

    Kaiser Family Foundation/Harvard University School of Public Health: Update on Americans' Views on the Consumer Protections DebateThe Kaiser Family Foundation/Harvard University School of Public Health Update on American's Views on Consumer Protections in Managed Care is based on findings from the April 1999 Kaiser/Harvard Health News Index.

  • An Assessment of Strategies for Expanding Health Insurance Coverage

    Report

    This paper provides a conceptual analysis of alternative mechanisms (tax credits, public programs, and direct subsidies) for expanding health insurance coverage. The paper, which is part of the Kaiser Incremental Health Reform Project, discusses the likely impacts alternative approaches on a variety of outcomes including efficiency in increasing coverage and integration with existing insurance systems.

  • Extending Health Insurance Through Tax Credits

    Report

    Part of the Kaiser Incremental Health Reform Project, this paper describes a generous tax credit approach to the expansion of health insurance coverage. The design features of refundable, publicly-financed tax credits for the purchase of health insurance are described for a range of sample plans.

  • Survey of Physicians and Nurses

    Poll Finding

    A national random survey of 1053 doctors and 768 nurses on their experiences with and attitudes towards health plans.

  • Uninsured Children in the South

    Other Post

    Over 4 million Southern Children have no Health Insurance Embargoed for release until: 8:30 am, ET, Monday, December 9, 1996 For more information contact: Chris Ferris (202)347-5270 New Study: Despite Recent Gains, South Still Home to Disproportionate Share ofNation's Uninsured Children Washington, D.C.

  • Improving Prescription Drug Coverage: Opportunities and Challenges for Reform

    Event Date:
    Event

    Tricia Neuman, Vice President and Director of the Medicare Policy Project, testified before the Senate Finance Committee on prescription drug coverage under Medicare. The statement reviews existing sources of prescription drug coverage for Medicare beneficiaries and the importance of such coverage for this population.

  • The Difference Different Approaches Make: Comparing Proposals to Expand Health Insurance

    Report

    The Difference Different Approaches Make: Comparing Proposals to Expand Health Insurance This paper estimates and compares the impacts of alternative mechanisms for expanding health insurance coverage. A variety of approaches-expansions of existing public programs, direct subsidies, and tax credits-and target populations-including children, poor adults, parents of Medicaid- or CHIP-covered children, and early retirees-are considered.