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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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  • Explaining Health Care Reform: How Might a Reform Plan Be Financed?

    Issue Brief

    One of the key challenges in enacting a health care reform plan is how to finance it among government, employers, and individuals. Of particular concern to policymakers is what effect a health reform plan would have on government spending and the federal budget.

  • Chartpack: Kaiser Health Tracking Poll – June 2009

    Poll Finding

    This document contains the chartpack from the June Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted June 1 through June 8, 2009, among a nationally representative random sample of 1,205 adults ages 18 and older.

  • Explaining Health Care Reform: What is Health Insurance?

    Issue Brief

    A key element in any comprehensive health reform plan is defining what health insurance is and the amount of insurance coverage people will have. There are two components to that coverage: the types of services covered (e.g., physician care, hospitalization, prescription drugs, etc.), and the cost sharing required of enrollees (e.g.

  • Pulling it Together: The Health Care Industry’s Second Voluntary Effort

    Perspective

    The announcement that health care industry groups plan to put on the table voluntarily a package of proposals to shave $2 trillion off the rate of increase in health spending over the next ten years immediately conjures up the image of the Voluntary Effort or VE launched with similar fanfare in the Carter administration.

  • Making Health Care Work for American Families: Medicaid and Access to Care

    Event Date:
    Event

    Diane Rowland, executive vice president of the Kaiser Family Foundation and executive director of the Foundation's Commission on Medicaid and the Uninsured, testified March 24, 2009, before the House Energy and Commerce Subcommittee on Health as part of a hearing entitled “Making Health Care Work for American Families: Access to Care.

  • Kaiser Health Tracking Poll — February 2009

    Poll Finding

    The first Kaiser Health Tracking Poll of 2009 finds the public is increasingly worried about the affordability and availability of care, with many postponing or skipping treatments due to cost in the past year and a notable minority forced into serious financial straits due to medical bills.