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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.”

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

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  • A Final Look: California’s Previously Uninsured after the ACA’s Third Open Enrollment Period

    Report

    The Kaiser Family Foundation California Longitudinal Panel Survey is a series of surveys that, over time, tracked the experiences and views of a representative, randomly selected sample of Californians who were uninsured prior to the major coverage expansions under the Affordable Care Act (ACA). The initial baseline survey was conducted with a representative sample of 2,001 nonelderly uninsured Californian adults in summer 2013, prior to the ACA’s initial open enrollment period. After each enrollment period…

  • Examining Prior Authorization in Health Insurance

    Policy Watch

    This post explains what's known about how insurers use prior authorization as a tool to control costs and encourage cost-effective care, the state and federal laws that govern it, and ongoing policy debates over efforts to impose standards to limit or regulate its use.

  • Marketplace Insurers Denied Nearly 1 in 5 In-Network Claims in 2020, though It’s Often Not Clear Why

    News Release

    Healthcare.gov marketplace insurers denied nearly one out of every five claims (18%) submitted for in-network services in 2020, though why the denial rates are so high and the ultimate consequences for consumers are difficult to access from the publicly available data, a new KFF analysis finds. The Affordable Care Act requires insurers to report data about claims denials and appeals to encourage transparency about how insurance coverage works for enrollees. The analysis examines data released…

  • Understanding the Health Provisions in the Inflation Reduction Act

    Other Post

    President Biden signed the Inflation Reduction Act of 2022 into law on August, 16, 2022. KFF has several analyses relevant to understanding the health provisions in the legislation, as well as their potential impact on people. Among other measures, the legislation for the first time requires the HHS Secretary to negotiate prices for some top-selling drugs covered in Medicare. It also requires drug companies to pay rebates if prices rise faster than inflation for drugs…

  • Five Things to Know about the Renewal of Extra Affordable Care Act Subsidies in the Inflation Reduction Act

    Policy Watch

    As part of the Inflation Reduction Act, the Senate recently passed a three-year extension (through 2025) of enhanced subsidies for people buying their own health coverage on the Affordable Care Act Marketplaces. The enhanced subsidies increase the amount of financial help available to those already eligible and also newly expand subsidies to middle-income people, many of whom were previously priced out of coverage. Here’s what to know about the likely renewal of these subsidies:

  • 2022 Survey of ACA Marketplace Assister Programs and Brokers

    Report

    This survey of Marketplace assister programs and brokers tracks the experiences of professionals signing people up for Affordable Care Act coverage. It also examines the role that these programs expect to play when the COVID-19 public health emergency (PHE) ends, potentially ending Medicaid eligibility for millions of Medicaid enrollees.