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The ACA MarketplaceS

Change in February effectuated enrollment, by state, 2025-2026

How Has ACA Marketplace Enrollment Changed Across States in 2026?

ACA Marketplace enrollment fell this year in every state except New Mexico, which was the only state to fully replace the enhanced premium tax credits that expired last year with a state-funded subsidy, according to a new KFF analysis of effectuated enrollment data. The Marketplace enrollment decline—the first in seven years—follows several years of rapid enrollment growth and coincides with the end of the enhanced federal subsidies.

How Much and Why ACA Marketplace Premiums Are Going Up in 2027

ACA Marketplaces insurers are proposing a median premium increase of 15% in 2027, according to KFF’s updated analysis of 276 insurers with publicly available filings across all 50 states and the District of Columbia. This is the second consecutive year of double-digit premium hikes. Last year’s median nationwide proposed rate change was 18%, and the median finalized rate change was 20%. While this proposed rate change is lower than last year, it represents the second-highest requested rate change since 2018, as premium growth had been relatively flat in this market for several years.

About the ACA

Promotional image for KFF video How Affordable is the Affordable Care Act

Did the Affordable Care Act Make Health Care More Affordable?

The expiration of the ACA’s enhanced premium tax credits at the start of 2026, combined with rising insurer premiums, put a spotlight on health care affordability that extends beyond Marketplace enrollees. KFF’s Cynthia Cox examines the ACA’s record and the broader underlying question it raises: what’s a fair price for Americans people to pay for health care?

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  • Poll: Most Americans Don’t Realize How Dramatically the Medicare-for-all Proposals Would Revamp the Nation’s Health Care System

    News Release

    As Congress and the Democratic presidential candidates continue to discuss Medicare-for-all and other proposals to expand public health coverage, most Americans know little about how the leading Medicare-for-all proposals would reshape the way all Americans get and pay for health care. This month’s KFF Health Tracking Poll probes the public’s awareness of key elements of proposals to create a national health plan, including the leading Medicare-for-all bills introduced by Sen. Bernie Sanders and Rep. Pramila…

  • About 1 in 6 Emergency Visits and Hospital Stays Had At Least One Out-of-Network Charge in 2017

    News Release

    In roughly 1 of every 6 emergency room visits and inpatient hospital stays in 2017, patients came home with at least one out-of-network medical bill, a new KFF analysis finds. More specifically, 18 percent of all emergency visits and 16 percent of in-network hospital stays had at least one out-of-network charge, leaving patients at risk for surprise medical bills, according to the analysis of claims data from large employer plans. The analysis also finds the…

  • Health Care Spending is More Than Just the Parts You See

    From Drew Altman

    In this Axios column, Drew Altman looks at total family spending for health including taxes and health benefits, and why people need to understand it to assess proposals like Medicare-for-All.

  • JAMA Forum: What is Trumpcare?

    Perspective

    The debate among Democratic presidential candidates about how to reform the health care system largely boils down to whether to build on the Affordable Care Act and create an option for people to enroll in Medicare or create a Medicare for all plan that covers everyone. On the other side of the partisan divide, President Trump has repeatedly promised a health care plan, but not yet delivered one. The president has vowed to repeal the…

  • An Overview of Medicaid Incentives for the Prevention of Chronic Diseases (MIPCD) Grants

    Issue Brief

    This brief provides an overview of the Medicaid Incentives for the Prevention of Chronic Diseases (MIPCD) grants and highlights key findings from the interim evaluation of the program. The brief also places these grants in context of pre-Affordable Care Act (ACA) Medicaid beneficiary incentive programs and proposed programs of states that are incorporating healthy behavior incentives into Medicaid expansion waivers.

  • Connecting Consumers to Coverage: Lessons Learned from Assisters for Successful Outreach and Enrollment

    Issue Brief

    This brief highlights the experiences of Navigators and other Marketplace consumer assistance programs under the Affordable Care Act (Obamacare) in conducting outreach and providing enrollment assistance during the ACA's first open enrollment period. It provides insight into the outreach and enrollment strategies the assisters developed and identifies the keys to successfully overcoming the challenges of the first year. These insights are based on findings from focus groups with assisters in four cities: Miami, Florida; Houston,…

  • Low-Wage Workers Feel the Pinch on Health Insurance

    From Drew Altman

    In this column for The Wall Street Journal’s Think Tank, Drew Altman explores how low-wage firms and their workers are faring in the employer-based health insurance market and how the Affordable Care Act may influence future trends.

  • Report Provides Insights from Consumer Assisters on Improving Affordable Care Act’s Next Open Enrollment

    News Release

    A new report from the Kaiser Family Foundation and Robert Wood Johnson Foundation captures insights from those who helped consumers navigate the Affordable Care Act's first open enrollment period, including lessons for the second , which is set to start Nov. 15. “Taking Stock and Taking Steps: A Report from the Field after the First Year of Marketplace Consumer Assistance Under the ACA” draws on the experiences of 80 program leaders who participated in a…

  • Why Public Interest Is Cooling in Obamacare as a Political Story 

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman reviews indicators pointing to the Affordable Care Act cooling as a front-page issue, while hot debate continues about it among partisans and experts. All previous columns by Drew Altman are available online.