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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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  • State Exchange Profiles: Louisiana

    Other Post

    Final update made on December 13, 2012 (no further updates will be made) Establishing the Exchange Governor Bobby Jindal (R) announced that Louisiana will not pursue the establishment of a state-based health insurance exchange and instead will allow the federal government to operate an exchange in the state.

  • State Marketplace Profiles: Illinois

    Other Post

    Final update made on October 15, 2013 (no further updates will be made) Establishing the Marketplace While Governor Pat Quinn (D) had considered establishing a state-based marketplace via executive order, he began moving in the direction of a state-federal partnership marketplace in July 2012.

  • State Exchange Profiles: South Dakota

    Other Post

    Final update made on April 19, 2013 (no further updates will be made)  Establishing the Exchange On September 26, 2012, Governor Dennis Daugaard (R) announced that South Dakota would not establish an exchange.1However, the state intends to maintain regulatory authority over the health insurance market and perform the plan management function for the exchange.

  • California’s Health Care Environment and Health Reform Efforts: June 2013 Update

    Issue Brief

    This brief provides and update of the health care and health policy environment in California, discussing the budgetary environment, implementation of the state's "Bridge to Reform" Medicaid waiver, and efforts to prepare for coverage expansions and new coverage options in 2014 under the Affordable Care Act.

  • Private Insurance Benefits and Cost-Sharing Under the ACA

    Perspective

    The Department of Health and Human Services (HHS) recently released guidance on the two key components that determine the level of protection that private insurance plans will provide to consumers under health reform.

  • What is the Centers for Medicare and Medicaid Services’ New AHEAD Model?

    Issue Brief

    In September 2023, the Centers for Medicare and Medicaid Services (CMS) announced a new opportunity for states to leverage federal funding on health care: the Advancing All-Payer Health Equity Approaches and Development (AHEAD) model. With this model, CMS – under the auspices of the CMS Innovation Center, also known as CMMI -- aims to reduce the rate of growth in health care spending, improve people's health, and reduce disparities in health outcomes. This issue brief answers some key questions about the new model and explores considerations for potential state and private participants.