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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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  • NPR/Kaiser/Harvard Survey: The Public on Requiring Individuals to Have Health Insurance

    Poll Finding

    This survey conducted jointly by NPR and public opinion researchers at the Kaiser Family Foundation and the Harvard School of Public Health examines how the public views different approaches for expanding health coverage, including provisions that would require individuals to purchase insurance or parents to obtain coverage for their children.

  • NPR/Kaiser/Harvard Survey: The Public on Requiring Individuals to Have Health Insurance – Toplines

    Poll Finding

    These toplines present detailed survey results from a February 2008 survey conducted jointly by NPR and public opinion researchers at the Kaiser Family Foundation and the Harvard School of Public Health that examines how the public views different approaches for expanding health coverage, including provisions that would require individuals to purchase insurance or parents to…

  • Health Centers: An Overview and Analysis of Their Experiences With Private Health Insurance

    Report

    This policy brief provides an overview of health centers, with a special focus on the relationship between health centers and private health insurance. The analysis of 10 years of national data reveals that health centers do not receive adequate reimbursement from private insurers to cover the costs of treating commercially insured patients.

  • How Non-Group Health Coverage Varies With Income

    Report

    With some federal and state policy makers considering ways to encourage more people to purchase non-group, or individual, health care coverage, this new analysis by Kaiser Family Foundation researchers examines how often people at different income levels buy such coverage when they do not have access to employer coverage or do not obtain public coverage.

  • Vermont Health Care Reform Plan

    Fact Sheet

    On May 25, 2006, Vermont Governor Jim Douglas signed into law comprehensive health care reform legislation. The plan is designed to increase access to affordable health care while reducing cost through quality improvement measures. The plan requires employers to provide or help finance coverage for their workers.

  • Uninsured Children in the South, December 2007

    Report

    Uninsured Children in the South, December 2007 Commissioned by the Foundation, this report by the Southern Institute on Children and Families provides state-by-state estimates of uninsured children in the southern region of the country, which contains 17 states and the District of Columbia.

  • NPR/Kaiser/Harvard Survey: Public Views on SCHIP Reauthorization

    Poll Finding

        This October 2007 survey conducted jointly by NPR, the Kaiser Family Foundation, and the Harvard School of Public Health examines the public’s views and opinions of the State Children’s Health Insurance Program (SCHIP) and the pending legislation surrounding its reauthorization.