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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

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  • Do You Have the Facts About Medicare’s Financial Outlook for the Future?

    News Release

    Medicare is likely to be back on the federal policy agenda this year as Congress and President Trump pursue repealing and replacing the Affordable Care Act, and potentially consider options to reduce federal spending. When talking about Medicare, the nation’s federal health insurance program for 57 million people age 65 and over and younger people with disabilities, some policymakers often express concern that the program will soon be “bankrupt” and that rising spending is unsustainable.…

  • 10 Essential Facts About Medicare’s Financial Outlook

    Issue Brief

    Medicare, the nation’s federal health insurance program for 57 million people age 65 and over and younger people with disabilities, often plays a major role in federal health policy and budget discussions. Medicare is likely to be back on the federal policy agenda as Congress debates repealing and replacing the ACA, and also if policymakers turn their attention to reducing entitlement spending as part of efforts to reduce the growing federal budget deficit and debt.…

  • Early Implementation Experience of Medicaid Expansion Waivers in Michigan and Indiana Can Help Inform Future Medicaid Waivers

    News Release

    Michigan and Indiana, led by Republican governors, each obtained a waiver from the Obama Administration to expand Medicaid in ways that differ from the terms of the Affordable Care Act. Notably, both states’ expansions include provisions related to charging enrollees premiums, requiring them to contribute to health accounts and providing incentives to participate in healthy behavior programs, though the details and implementation vary considerably between the two states. A new analysis from the Kaiser Family…

  • Key Questions About Medicaid Block Grants

    News Release

    As policymakers in Washington discuss Affordable Care Act repeal and a possible block grant for Medicaid, a new issue brief from the Kaiser Family Foundation lays out key questions to consider in restructuring federal financing of the nation’s health insurance program for low-income Americans. Capping federal funding for Medicaid through a block grant or a per capita cap financing system would make federal spending more predictable and achieve federal budget savings. It also could be structured…

  • 5 Key Questions: Medicaid Block Grants & Per Capita Caps

    Issue Brief

    Medicaid covers more than 70 million low-income children, pregnant women, adults, seniors, and people with disabilities in the United States. The program represents $1 out of every $6 spent on health care in the US and is the major source of financing for states to provide coverage for the health and long-term needs of low-income residents. President Trump and other GOP leaders have called for fundamental changes in the structure and financing of Medicaid. This…

  • Current Flexibility in Medicaid: An Overview of Federal Standards and State Options

    Issue Brief

    The Trump Administration and new Congress have indicated that they will seek to cap Medicaid financing through a block grant or per capita cap, reduce federal funding for the program, and offer states increased flexibility to manage their programs within this more limited financing structure. The size of the federal reductions as well as which federal program standards would remain in place and what increased flexibility might be provided to states under such proposals would…

  • Event: Major Considerations for Repealing & Replacing the ACA

    Major Considerations for Repealing and Replacing the ACA

    Event Date:
    Event

    The Kaiser Family Foundation and the Committee for a Responsible Federal Budget host a public forum to discuss the process and implications of repealing and replacing the Affordable Care Act, including the implications of using the budget reconciliation process to repeal the ACA, and what an ACA replacement could mean for health insurance coverage and costs.

  • Web Briefing for Journalists: Repealing and Replacing Obamacare

    Event Date:
    Event

    On Wednesday, January 25, the Kaiser Family Foundation hosted a web briefing for journalists to answer questions and sort through possible scenarios for repealing and replacing the Affordable Care Act, also known as Obamacare, including implications for coverage, the insurance market, the Medicaid program, and women’s health.

  • Data Note: Estimated Medicaid Savings in the House Budget Resolution from March 2016

    Issue Brief

    While the current Budget Resolution under consideration will set the framework for a repeal of the ACA, the Budget Resolution that passed in March 2016 provides insight into other Medicaid cuts that could be considered by Congress later this year. This Data Note examines proposed reductions in federal Medicaid funding under the March 2016 House Budget Resolution.