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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/KFF/HSPH Survey: Public Views on SCHIP Reauthorization: Summary

    Poll Finding

    This summary provides an overview of the results of an October 2007 survey conducted jointly by NPR, the Kaiser Family Foundation, and the Harvard School of Public Health on the public’s views and opinions of the State Children’s Health Insurance Program and the pending legislation surrounding its reauthorization. Summary (.

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

    Poll Finding

    This chartpack presents key findings from an October 2007 survey conducted jointly by NPR, the Kaiser Family Foundation, and the Harvard School of Public Health on the public’s views and opinions of the State Children’s Health Insurance Program and the pending legislation surrounding its reauthorization. Chartpack (.

  • NPR/KFF/HSPH Survey: Public Views on SCHIP Reauthorization: Topline

    Poll Finding

    These toplines present detailed survey results from an October 2007 survey conducted jointly by NPR, the Kaiser Family Foundation, and the Harvard School of Public Health on the public’s views and opinions of the State Children’s Health Insurance Program and the pending legislation surrounding its reauthorization. Toplines (.

  • What Happened to the Insurance Coverage of Children and Adults in 2006?

    Issue Brief

    A new, detailed analysis of the latest US Census Bureau data on health insurance coverage looks behind the 2.2 million increase in the number of uninsured, examining changes by age and income. Reversing years of steady declines, the number of uninsured children has grown by one million over the last two years.

  • A Race to the Top: Illinois’s All Kids Initiative

    Report

    A Race to the Top: Illinois’s All Kids Initiative In the summer of 2006, Illinois launched All Kids, the nation’s first universal coverage program for children. Several states have observed Illinois’ experience and are proceeding with their own coverage initiatives.

  • Health Care in New Orleans from the People’s Perspective

    Event

    Diane Rowland, executive vice president of Kaiser, testified to the House Energy and Commerce Subcommittee on Oversight and Investigation about the health care needs of New Orleans' residents and their access to health services in the area.

  • Key Findings: Kaiser Health Tracking Poll: Election 2008 — June 2007

    Poll Finding

    This document presents key findings from the June 2007 Kaiser Health Tracking Poll: Election 2008, which tracks changes in the saliency of health as a political and policy priority, what the public’s priorities are for a health reform plan and whether any candidates are breaking through with the public with their health reform plans  …

  • Health Challenges for the People of New Orleans

    Poll Finding

    Health Challenges for the People of New Orleans This analysis of a household survey of Greater New Orleans area residents conducted in Fall 2006 examines the health care status of the adult population and details their health coverage and access to health care services after the disaster. News Release Full Report (.pdf) Executive Summary (.