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

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

1,721 - 1,730 of 2,769 Results

  • Round 2 on the Legal Challenges to Contraceptive Coverage: Are Nonprofits “Substantially Burdened” by the “Accommodation”?

    Issue Brief

    The Affordable Care Act (ACA) requires most private health insurance plans to provide coverage for a broad range of preventive services including Food and Drug Administration (FDA) approved prescription contraceptives and services for women. Since the implementation of the ACA contraceptive coverage requirement in 2012, over 200 corporations have filed lawsuits claiming that including coverage for contraceptives or opting for an “accommodation” from the federal government violates their religious beliefs. This brief explains the legal issues raised by the nonprofit litigation and discusses the impact of the Hobby Lobby decision on the current litigation.

  • 10 FAQs: Medicare’s Role in End-of-Life Care

    Fact Sheet

    About eight of 10 of the 2.6 million people who died in the US in 2014 were people on Medicare, making Medicare the largest insurer of health care provided during the last year of life. These Frequently Asked Questions explain Medicare’s role in or coverage of end-of-life care, advance care planning, advance directives, and hospice care. They also provide information on Medicare spending on end-of-life care, changes to the physician fee schedule, and how related issues arose prior to the passage of the Affordable Care Act.

  • How Have Insurers Fared Under the Affordable Care Act?

    Perspective

    This analysis tracks the financial performance of insurers in the individual market by evaluating trends in the medical loss ratio (MLR) in the pre-ACA landscape from 2010 to 2013 and estimates the MLR for the first full year of Affordable Care Act implementation in 2014. Findings suggest that although performance varied among insurers, insurers overall had roughly comparable financial performance in 2014 as in recent prior years.

  • New Evidence Health Spending Is Growing Faster Again

    From Drew Altman

    In this column for The Wall Street Journal’s Think Tank, Drew Altman discusses new Census Department survey data showing higher health spending growth over the last four economic quarters, and raises the question: is the health spending slowdown over?

  • New Evidence Health Spending Is Growing Faster Again

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman discusses new Census Department survey data showing higher health spending growth over the last four economic quarters, and raises the question: is the health spending slowdown over? All previous columns by Drew Altman are available.

  • Medicaid Delivery System and Payment Reform: A Guide to Key Terms and Concepts

    Fact Sheet

    There is wide state variation in Medicaid health care delivery and payment systems, as states design and combine service delivery models and payment approaches in a multitude of ways. To help those interested in understanding the diversity of Medicaid reform initiatives underway or in development in states across the country, this guide defines key terms.

  • The Uninsured and the ACA: A Primer – Key Facts about Health Insurance and the Uninsured amidst Changes to the Affordable Care Act

    Report

    The Uninsured and the ACA: A Primer provides information on how insurance has changed under the ACA and more recent policy changes, how many people remain uninsured, who they are, and why they lack health coverage. It also summarizes what we know about the impact that a lack of insurance can have on the health outcomes and personal finances and the difference health insurance can make in people’s lives.

  • Testimony: Pre-Existing Conditions and Health Insurance

    Issue Brief

    KFF's Karen Pollitz testimony before the U.S. House Committee on Ways and Means on Jan. 29, 2019 examines the prevalence of pre-existing conditions, the impact of the Affordable Care Act's prohibition against medical underwriting and other provisions aimed at stabilizing the insurance risk pool, and the trade-offs involved in relaxing those provisions. 

  • Bipartisan Majorities Support Trump Administration’s Push to Get Drug Prices in Advertisements, Even after Hearing Counter-Arguments

    News Release

    Only 1 in 4 Potential Marketplace Customers Know When ACA Open Enrollment Ends; 1 in 5 Say They Would Buy a Short-Term Plan A large majority of the public backs the Trump Administration’s initiative to require prescription drug advertisements to include information about prices, but fewer support other administrative actions involving pre-existing conditions and contraception…