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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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  • Visualizing Health Policy: Health Care Coverage and Access for Men, 2013-2015

    Other

    This June 2015 Visualizing Health Policy infographic provides a snapshot of men’s health care and insurance coverage issues, including health status, access to care and use of services. It compares the uninsured rates of men and women before and after coverage expansions under the Affordable Care Act; their cost barriers to care, their connection to clinicians, and their use of prescription drugs, screening, and counseling services.

  • Year Two of the ACA Coverage Expansions: On-the-Ground Experiences from Five States

    Issue Brief

    This brief provides an on-the-ground view of ACA implementation after completion of the second open enrollment period. It is based on 40 in-person interviews conducted in five states that have made different implementation choices, including three states (Colorado, Kentucky, and Washington) that have developed a State-based Marketplace and adopted the Medicaid expansion and two states (Utah and Virginia) that rely on the Federally-facilitated Marketplace (FFM) for enrollment of individuals into qualified health plans (QHPs) and that have not adopted the Medicaid expansion to date. The interviews were conducted by the Kaiser Family Foundation’s Commission on Medicaid and the Uninsured and Perry Undem Research/Communication with a range of stakeholders in each state, including Medicaid and Marketplace officials, consumer advocates, assisters, and hospital and community health center representatives, during April and May 2015. The report presents key findings related to enrollment systems; enrollment and renewal; outreach, marketing, and enrollment assistance; and access to and utilization of care. It concludes with key priorities identified by stakeholders looking ahead.

  • Visualizing Health Policy: Health Care Coverage and Access for Men, 2013-2015

    News Release

    This Visualizing Health Policy infographic provides a snapshot of men’s health care and insurance coverage issues, including health status, access to care and use of services. It compares the uninsured rates of men and women, their cost barriers to care, their connection to clinicians, and their use of prescription drugs, screening, and counseling services.

  • Uninsured Most Likely to Delay or Go Without Care or Prescription Drugs Due to Cost

    Feature

    Many uninsured people do not obtain the treatments their health care providers recommend for them because of the cost of care. In 2018, uninsured nonelderly adults were more than three times as likely as adults with private coverage to say that they postponed or did not get a needed prescription drug due to cost.

  • Universal Coverage May Not Mean Everyone Has Health Insurance

    From Drew Altman

    Universal coverage is a big and important goal. But would absolutely everyone be covered under current proposals? Is it a better rallying cry for Democrats in the primaries or the general election? Drew Altman analyzes these questions in an Axios column.

  • National Survey on Medicare: The Next Big Health Policy Debate?

    Report

    A survey of Americans on their knowledge and opinions about the proposed options for Medicare reform finds that most Americans know Medicare faces problems, but are not ready to make hard choices and are not well informed on the options, including Medicare+Choice.

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

    Other Post

    Medicare Beneficiaries: A Population at RiskFindings from the Kaiser/Commonwealth Fund 1997 Survey of Medicare Beneficiaries Charts for Medicare Beneficiaries: A Population at Risk Part 2 Cathy Schoen, Patricia Neuman, Michelle Kitchman, Karen Davis, and Diane RowlandDecember 1998 Table Of Contents List of Charts Chart 16 Problems Paying Medical Bills, by Health and Functional Status Chart…

  • Health Insurance Coverage in America: 2000 Data Update

    Report

    Health Insurance Coverage in America: 2000 Data Update This chart book provides year 2000 data on health insurance coverage, with special attention to the uninsured. It includes trends and major shifts in coverage and a profile of the uninsured population.