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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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  • ANALYSIS: ACA Marketplace Premiums Rise Substantially in 2018, But Many Will Pay Less for Coverage

    News Release

    Premiums will rise substantially in 2018 Affordable Care Act marketplace plans for states using HealthCare.gov, but in many cases, people receiving premium tax credits will pay less than they did in 2017, a new Kaiser Family Foundation analysis finds. The new analysis includes county-level interactive maps charting premium changes of lowest-cost gold, silver, and bronze plans for consumers with and without premium tax credits in the 2018 HealthCare.gov marketplaces. For people not eligible for tax…

  • ANALYSIS: ACA Silver Plan Premium Increases from 7% to 38% Attributed to End of Cost-Sharing Payments

    News Release

    Insurers factored in premium increases ranging from 7 percent to 38 percent exclusively in silver plans to absorb the financial impact of the loss of cost-sharing reduction payments from the federal government, a new Kaiser Family Foundation analysis finds. The approach, used by insurers in many states, shields consumers from steep rate hikes, because tax credits defraying the cost of premiums rise dollar-for-dollar along with benchmark silver rates. Eighty-four percent of marketplace enrollees received premium…

  • How the Loss of Cost-Sharing Subsidy Payments is Affecting 2018 Premiums

    Issue Brief

    This analysis of 32 states and Washington, D.C., tracks data on 2018 Affordable Care Act (ACA) marketplace premium increases that insurers directly attributed to the end of cost-sharing reduction payments, which reimburse insurers for providing marketplace health plans with reduced out-of-pocket costs for lower-income people. Following months of uncertainty, the Trump administration announced on Oct. 12 that the payments would be discontinued immediately, although insurers must still offer the subsidized coverage.

  • Data Note: Public’s Views of a National Health Plan

    Feature

    The Kaiser Family Foundation's Health Tracking Poll from October 2017 asked the public of their views of a national health plan, and whether they favor or oppose the implementation of such a program. While about half of the public favors having a national health plan, there is a strong partisan divide with the majority of Republicans strongly opposing such a plan and nearly half of Democrats strongly favoring the plan. This poll also asked the…

  • How Medicaid Section 1115 Waivers Are Evolving: Early Insights About What to Watch

    Issue Brief

    While efforts to pass major federal legislation to repeal and replace the Affordable Care Act (ACA) and restructure and reduce federal Medicaid financing may be on hold temporarily, the focus of the Centers for Medicare and Medicaid Services (CMS) and states is expected to turn to achieving significant Medicaid program changes through Section 1115 demonstration waivers. This issue brief presents three questions to help analyze the evolution of federal waiver policy as new waiver proposals…