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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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  • Immigrants’ Access to Health Care

    Issue Brief

    Immigrants account for 20 percent of the uninsured. There are many reasons for immigrants' lack of coverage, but the welfare reform law of 1996 was significant in restricting Medicaid eligibility for certain immigrant populations.

  • Express Lane Eligibility: How to Enroll Large Groups of Eligible Children in Medicaid and CHIP

    Report

    This issue paper explores the potential for increasing enrollment in children's health insurance programs through "Express Lane Eligibility." Express Lane Eligibility is the accelerated enrollment of low-income uninsured children already participating in other income-comparable publicly funded programs, such as WIC or school lunch, into Medicaid or CHIP.

  • The Olmstead Decision: Implications for Medicaid

    Issue Brief

    In June, 1999, the Supreme Court rule in Olmstead v L.C. that states were required to provide services to persons with disabilities in community settings rather than institutions, if certain conditions were met. This Policy Brief provides an overview of the Olmstead case, including the facts, the court ruling, and the disposition of the case.

  • SCHIP Managed Care Contracting

    Report

    The fourth in a series of reports on implementation issues and challenges in the first year of S-CHIP finds that states have been able to enter arrangements with plans for their S-CHIP population fairly easily.

  • Health Insurance for Unemployed Workers

    Event Date:
    Event

    Submitted testimony of Diane Rowland, executive director of the Commission, about health insurance options for unemployed workers. She was scheduled to testify to the U.S. Senate Committee on Health, Education, Labor, and Pensions, but the hearing was postponed.

  • Analyses of Kaiser Permanente Services for Insured Children

    Report

    Analyses of the Child Health Plan and Other Kaiser Permanente Services for Publicly and Privately Insured Children, a new policy brief prepared for the Kaiser Family Foundation and the California HealthCare Foundation by the Institute for Health Policy Studies at U.C.

  • Medicare Beneficiaries and Their Assets: Implications for Low-Income Programs

    Report

    This report, prepared by Marilyn Moon of The Urban Institute and Robert Friedland and Lee Shirey of Georgetown University's Center on an Aging Society, reviews the income and assets of the current Medicare population, provides an overview of asset tests used to determine eligibility for programs assisting low-income Medicare beneficiaries, and considers how alternative policy…

  • Medicare Beneficiaries: A Population At Risk – Findings from the Kaiser/Commonwealth 1997 Survey of Medicare Beneficiaries – Report

    Report

    Medicare Beneficiaries: A Population at RiskFindings from the Kaiser/Commonwealth Fund 1997 Survey of Medicare Beneficiaries Cathy Schoen, Patricia Neuman, Michelle Kitchman, Karen Davis, and Diane RowlandDecember 1998 Table Of ContentsExecutive Summary Findings from the Kaiser/Commonwealth 1997 Survey of Medicare Beneficiaries Medicare Beneficiaries: Health Status and Income Health Insurance Coverage Satisfaction, Access, and Financial Burden: Variations…