Home Affordable Care Act Topics

Affordable Care Act

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.”

new and noteworthy
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

Latest News

No Posts to Show

More KFF Health News

Subscribe to KFF Emails

Choose which emails are best for you.
Sign up here

View the Latest: Affordable Care Act

Filter

List Grid

2,441 - 2,450 of 2,769 Results

  • Trends in Medicaid Spending Leading up to ACA Implementation

    Issue Brief

    This paper presents data on Medicaid spending during the years leading up to the implementation of the Affordable Care Act (ACA). It uses administrative data to first examine overall spending trends and trends by service type. We then draw on additional data to analyze per enrollee spending growth during this period, both by service type and by eligibility group, to understand what drove Medicaid spending.

  • Are Uninsured Adults Who Could Gain Medicaid Coverage Working?

    Fact Sheet

    As additional states consider whether to implement the ACA Medicaid expansion, some have raised pursuing waiver authority to tie Medicaid eligibility for adults under the expansion to work requirements. This fact sheet profiles uninsured adults who could gain Medicaid coverage under the ACA by their relationship to the workforce and job-based coverage.

  • Explaining Health Care Reform: Medical Loss Ratio (MLR)

    Fact Sheet

    This fact sheet explains the Medical Loss Ratio requirement under the Affordable Care Act (ACA). The MLR provision limits the portion of premium dollars health insurers may spend on administration, marketing, and profits. Under health care reform, health insurers must publicly report the portion of premium dollars spent on health care and quality improvement and other activities in each state they operate. Insurers failing to meet the applicable standard must pay rebates to consumers and…

  • The Requirement to Buy Coverage Under the Affordable Care Act

    Other Post

    Note:  Congress eliminated the federal tax penalty for not having health insurance, effective January 1, 2019. Along with changes to the health insurance system that guarantee access to coverage to everyone regardless of pre-existing health conditions, the Affordable Care Act includes a requirement that many people be insured or pay a penalty. This simple flowchart illustrates how that requirement (sometimes known as an "individual mandate") works.     >>Download the PDF

  • ACA 101: What You Need to Know

    Event Date:
    Event

    Useful review for anyone seeking to comprehend complex issues leading up to major implementations taking effect in 2014

  • Employer Responsibility Under the Affordable Care Act

    Other Post

    The Affordable Care Act does not require businesses to provide health benefits to their workers, but applicable large employers may face penalties if they don’t make affordable coverage available. The employer shared responsibility provision of the Affordable Care Act penalizes employers who either do not offer coverage or do not offer coverage that meets minimum value and affordability standards. These penalties apply to firms with 50 or more full-time equivalent employees. This flowchart illustrates how…

  • Health Reform Hits Main Street

    Video

    This short cartoon explains the problems with the current health care system, the health reform changes that are happening now, and the big changes coming in 2014 as part of the Affordable Care Act (ACA). You can view the video on our site and it is also available on YouTube.

  • Can We Learn From ACA Implementation and Improve the Law?

    From Drew Altman

    Senator Baucus made headlines recently when he predicted a “train wreck” for Obamacare. David Brooks predicted “chaos” in a recent column. In a news conference, the President offered a different perspective.  “There’ll still be, you know, glitches and bumps…. That’s pretty much true of every government program that’s ever been set up,” Obama said. “But if we stay with it, and we understand what our long-term objective is, which is making sure that in a…