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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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  • How Many Uninsured Adults Could Be Reached If All States Expanded Medicaid?

    Issue Brief

    As more people lose their jobs and accompanying ESI, more may fall into the coverage gap, particularly starting in 2021 after unemployment benefits expire for many who have lost their jobs and incomes are likely to drop below the minimum threshold for marketplace subsidies. This analysis estimates how many uninsured adults—including those uninsured even before the pandemic and those who could become uninsured as a result of it— could become eligible for Medicaid if states that have not yet expanded the program do so.

  • Analysis Examines the Affordable Care Act’s Impact on Nearly All Americans

    News Release

    A week after the 2020 elections, the Supreme Court is scheduled to hear arguments on a legal challenge, supported by the Trump administration, that seeks to overturn the Affordable Care Act, an outcome that would have major effects throughout the health care system as the law’s provisions have affected nearly all Americans in some way.

  • Media Briefing to Release New Survey Tracking California’s Previously Uninsured Residents Under the Affordable Care Act

    Event Date:
    Event

    Media-only web briefing that released a new survey tracking the experiences of California's previously uninsured residents under the Affordable Care Act (ACA). New survey provides a detailed assessment of how well the ACA is working for previously uninsured residents in a state that embraced the ACA's coverage expansion opportunities by establishing the Covered California insurance marketplace and expanding its Medi-Cal program.

  • 2015 Survey of Health Insurance Marketplace Assister Programs and Brokers

    Report

    This nationwide survey analysis of Marketplace consumer assistance programs and brokers examines the nature of Marketplace assistance during the second open enrollment period for 2015 coverage, and offers unique insights into how Affordable Care Act (ACA) implementation is progressing, what is changing, and what challenges remain. Building upon our Survey of Health Insurance Marketplace Assister Programs (2014), the analysis compares Assister Program capacity and experiences from the first open enrollment period to the next, and also includes the enrollment experience of brokers for the first time.

  • State Medicaid Eligibility Policies for Individuals Moving Into and Out of Incarceration

    Issue Brief

    This brief highlights how state eligibility policies for incarcerated individuals differ, based on a review of state statutes, regulations, Medicaid eligibility manuals and other Medicaid agency guidance publicly available online and Medicaid managed care contracts. Overall, state Medicaid eligibility policies for justice-involved individuals moving into and out of incarceration vary, and these policies affect if and when individuals may enroll in Medicaid and the scope of any resulting savings.

  • ANALYSIS: More than Half of Uninsured People Eligible for Marketplace Insurance Could Pay Less for Health Plan than Individual Mandate Penalty

    News Release

    A new Kaiser Family Foundation analysis finds that more than half (54% or 5.9 million) of the 10.7 million people who are uninsured and eligible to purchase an Affordable Care Act marketplace plan in 2018 could pay less in premiums for health insurance than they would owe as an individual mandate tax penalty for lacking coverage.

  • Those Long Lines To Enroll In The ACA

    From Drew Altman

    In this Policy Insight, Kaiser Family Foundation President and CEO Drew Altman discusses the need for community based outreach to enroll the long term uninsured.