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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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  • Medicare-for-All vs. Single Payer: The Impact of Labels

    From Drew Altman

    In this column for The Wall Street Journal’s Think Tank, "Medicare-for-All vs. Single Payer: The Impact of Labels", Drew Altman uses new polling on a Medicare-for-all or single payer health system to explain how what you call a health reform plan can substantially affect the public's response.

  • Behind the Challenges to Universal Health Coverage

    From Drew Altman

    In this column for The Wall Street Journal's Think Tank, Drew Altman discusses why political reality and the diverse makeup of the remaining uninsured population mean that the likeliest path to universal coverage is a multi-step approach.

  • Key Data on Health and Health Coverage in South Carolina

    Fact Sheet

    This fact sheet draws on data from “Health and Health Coverage in the South: A Data Update” to highlight findings for South Carolina. The findings show the current status of health and health coverage in the state and the potential coverage gains that may be achieved through the Affordable Care Act.

  • Health and Health Coverage in the South: A Data Update

    Issue Brief

    This brief provides key data on the South and the current status of health and health coverage in the South to provide greater insight into the health needs in the region and the potential coverage gains that may be achieved through the ACA. It includes data on the uninsured, Medicaid expansion and eligibility for coverage.

  • Kaiser Health Tracking Poll: January 2016

    Feature

    Despite the ongoing debate between Republican lawmakers and President Obama on the future of the 2010 health care law, the January Kaiser Health Tracking Poll finds the Affordable Care Act (ACA) is only one of many issues that may impact voting decisions. While there has been recent focus on improving the value of health care, those with insurance under 65 years old largely say the health care services they receive are at least a good value for what they pay for them. Also, in the final days of the 2016 open enrollment period, many uninsured are largely disengaged from the health care system and opportunities for coverage, with large majorities being unaware of the date for the upcoming deadline to enroll or of the fine for not having health insurance in 2016.

  • Data Note: Abbreviated January 2016 Health Tracking Poll Topline

    Feature

    This is an abbreviated topline for the upcoming January 2016 Kaiser Health Tracking Poll.  It contains the survey questions addressed in Drew Altman's column, "Candidate Policy Plans Resonate More With Democrats. Here’s Why," for The Wall Street Journal's Think Tank.