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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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  • Key Findings: Kaiser Health Tracking Poll? – June 2009

    Poll Finding

    This document contains the key findings 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.

  • Putting Women’s Health Care Disparities On The Map: Examining Racial and Ethnic Disparities at the State Level

    Report

    This Kaiser Family Foundation report documents the persistence of disparities between white women and women of color across the country. It provides a rare and comprehensive state-level look at disparities among women of different races and ethnicities on a broad range of indicators of health and well-being, including rates of diseases such as diabetes, heart disease, AIDS and cancer, and access to health insurance and health screenings.

  • CHIP TIPS: CHIP Financing Structure

    Issue Brief

    This brief, the fourth in a series, examines important changes to CHIP’s financing structure under the Children’s Health Insurance Program Reauthorization Act of 2009. The law includes a number of important programmatic and financing changes that affect both Medicaid and CHIP.

  • Kaiser Health Tracking Poll – June 2009

    Poll Finding

    The June Kaiser Health Tracking Poll finds remarkable stability in public opinion on health reform as Congressional committees begin to hone in on the details of their health reform bills and debate intensifies.

  • Topline: Kaiser Health Tracking Poll – June 2009

    Poll Finding

    This document contains the toplines 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.

  • Women at Risk: A View from the Safety Net

    Video

    This video provides a snapshot of the Arlington (Va.) Free Clinic where, four times a month, medical personnel provide care and screenings exclusively to women. The video explores the hurdles that uninsured women face in accessing health care and the social issues, including work and family responsibilities, that create challenges for them. It is a companion to the report, “Putting Women’s Health Care Disparities On The Map: Examining Racial and Ethnic Disparities at the State Level.”

  • Side-by-Side Comparison of Major Health Care Reform Proposals

    Issue Brief

    On March 23, 2010, President Obama signed into law the Patient Protection and Affordable Care Act, and a week later, signed into law the Health Care and Education Reconciliation Act of 2010, which made some changes to the comprehensive health reform law. Summary of Final Health Care Reform Law (.