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The ACA Marketplace

2025 KFF Marketplace Enrollees Survey

In 2025, about one in three ACA enrollees said they would be “very likely” to look for a lower-premium Marketplace plan If their premium payments doubled.

Cost Concerns and Coverage Changes: A Follow-Up Survey of ACA Marketplace Enrollees

Following the expiration of the enhanced premium tax credits for people with Affordable Care Act (ACA) Marketplace plans, a new KFF follow-up survey of the same Marketplace enrollees KFF surveyed in 2025 finds half (51%) of returning enrollees say their health care costs are “a lot higher” this year compared to last year, including four in 10 who specifically say their premiums are “a lot higher.”

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POLLING

Tracking the Public’s Views on the ACA

While overall opinion of the Affordable Care Act has been more favorable than unfavorable since 2017, there remain deep partisan divides. See how public opinion on the ACA has changed from the inception of the law to the present. This interactive tool highlights key moments when views shifted and trends based on party identification, income, age, gender, and race/ethnicity.
DATA

Marketplace Enrollment is Down in 2026—But All of the Data Isn’t in Yet

ANALYSIS

Higher Premium Payments or Higher Deductibles: The ACA's Tradeoffs

QUIZ

Test Your Knowledge of the Affordable Care Act

ANALYSIS

Competition Increased in Individual Market But Fell in Fully Insured Group Markets

Timely insights and analysis from KFF staff

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  • Kaiser Health Tracking Poll: November 2014

    Feature

    Following the Nov. 4 midterm elections, nearly half of Americans expect increased debate between the two parties over the Affordable Care Act. In comparison, 42 percent say the amount of debate will not change, and very few (5%) say it will decrease. Conducted just prior to the start of the ACA's second open enrollment season, the poll also probes the views of people without health insurance, one of the key target groups for outreach and…

  • How 13 Million Americans Could Lose Insurance Subsidies

    From Drew Altman

    This was published as a Wall Street Journal Think Tank column on November 19, 2014. Kaiser Family Foundation calculations of how many Americans could lose subsidies in 2016 depending on the Supreme Court’s ruling in King v. Burwell. The Supreme Court is expected to rule next year on King v. Burwell, the lawsuit in which the federal government’s authority to provide financial assistance to people who buy insurance in federally operated insurance exchanges is being challenged under a…

  • Challenges to Forecasting Obamacare Enrollment for 2015

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman explains why 2015 enrollment in the Affordable Care Act’s marketplaces is very hard to predict. All previous columns by Drew Altman are available online.

  • Change in Benchmark Silver Premiums, 2014 – 2015

    Feature

    Change in Benchmark Silver Premiums 2015 MAP_HI_and_MA.ppt Download Source Kaiser Family Foundation analysis of data from Healthcare.gov and insurer rate filings to state regulators. For more information see  “Analysis of 2015 Premium Changes in the Affordable Care Act’s Health Insurance Marketplaces” Sept. 2014.

  • Silver and Bronze Premium Changes from 2014 to 2015

    Feature

    silverandbronzepremiumchangesfrom2014to2015 Download Source Kaiser Family Foundation analysis of premium data from Healthcare.gov and insurer rate filings to state regulators. For more information see  “Analysis of 2015 Premium Changes in the Affordable Care Act’s Health Insurance Marketplaces” Sep 2014

  • Web Briefing for Journalists: Consumer Issues Ahead of the Affordable Care Act’s Second Open Enrollment Season

    Event Date:
    Event

    The Affordable Care Act's second annual open enrollment period starts Nov. 15 and runs until Feb. 15 -- a three-month window for Americans to shop for and purchase new health coverage, or change their plan through Healthcare.gov or their state-run insurance marketplace.  This year's open enrollment season poses both new and recurring challenges for consumers:  How are premiums for marketplace plans changing, and what do the changes mean for consumers?  Why might current marketplace customers…

  • Kaiser Calculator Now Gives Consumers 2015 Zip Code-Specific Premium and Tax Credit Estimates for Marketplace Coverage

    News Release

    The Kaiser Family Foundation's Health Insurance Marketplace Calculator now includes zip code-specific data on 2015 health plans that are being sold through the Affordable Care Act’s insurance marketplaces during the open enrollment period beginning Saturday, Nov. 15. With the new tool, consumers around the nation can generate estimates of their health insurance premiums and government subsidies for 2015 plans that they purchase on their own through an ACA marketplace. The estimates are based on zip…