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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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  • Obamacare Debate: Where GOP Governors Stand on Repeal and Replace

    From Drew Altman

    As congress prepares to vote on repeal of the Affordable Care Act, Drew Altman discusses whether Republican governors and congressional Republicans will be at odds over key issues when it comes to repealing and replacing the law in this Wall Street Journal Think Tank column.

  • The Inequity Of The Medicaid Coverage Gap and Why It Is Hard To Fix It

    Perspective

    In this column for the JAMA Health Forum, Larry Levitt explores why the Medicaid "coverage gap" still exists in 12 states that have not expanded their Medicaid programs under the Affordable Care Act, why it matters, and why eliminating it could prove challenging.

  • Community Health Centers and Medication-Assisted Treatment for Opioid Use Disorder

    Issue Brief

    In the midst of the coronavirus pandemic, emerging evidence suggests drug overdoses, including opioid overdoses, are increasing. As safety net primary care providers, community health centers play a significant role in efforts to address the ongoing opioid crisis and have become a major source of medication-assisted treatment (MAT), the standard of care for those with opioid use disorder (OUD). This issue brief presents findings from a 2019 survey of community health centers on activities related to the prevention and treatment of OUD, with a focus on MAT, to assess services and capacity prior to the recent surge in need.

  • A Profile of Community Health Center Patients: Implications for Policy

    Issue Brief

    Community health centers are a key source of primary care in underserved areas. Their role will grow as coverage expands under the ACA. To sharpen understanding of the health center patient population, this brief compares them to the low-income population overall, using the Health Center Patient Survey and National Health Interview Survey. The pre-ACA profile of health center patients that emerges sets the stage for measuring change and highlights important implications of states’ Medicaid expansion decisions.

  • Federal Funding Under the Affordable Care Act

    Fact Sheet

    This fact sheet provides highlights from an analysis tracking the flow of federal Affordable Care Act funds to states as reporter in the Department of Health and Human Services grant database as well as periodic reports from HHS and the Internal Revenue Service.