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The ACA Marketplace

2025 KFF Marketplace Enrollees Survey

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, according to a KFF survey conducted in 2025.

New AND NOTEWORTHY

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.

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  • The Cost of Not Expanding Medicaid

    Report

    As states wrap up legislative sessions and make decisions about whether to implement the Medicaid expansion included in the Affordable Care Act (ACA), this new analysis highlights the implications of these decisions for coverage, state budgets and providers. The decisions by as many as 27 states not to adopt the Medicaid expansion will leave a many more uninsured; these states would also forgo billions in federal funds.

  • Sizing Up Exchange Market Competition

    Issue Brief

    This issue brief offers an early look into how competitive the health insurance exchanges (also called marketplaces) are under the Affordable Care Act in selected states. Through analysis of enrollment data released by seven states (California, Connecticut, Minnesota, New York, Nevada, Rhode Island, and Washington) this brief finds that exchange markets in California and New York are shaping up to be more competitive than their individual markets were in 2012 while those of Connecticut and…

  • Optimizing Medicaid Enrollment: Spotlight on Technology – Louisiana’s Express Lane Eligibility

    Issue Brief

    This piece looks at how Louisiana uses “express lane eligibility" to increase and streamline the enrollment of low-income children in its Medicaid program. It is the first in a Spotlight on Technology series profiling several states' innovative applications of technology to Medicaid enrollment efforts. The series illustrates a range of approaches that states can adopt to improve their systems now and to prepare for the expansion of Medicaid under health reform. Spotlight (.pdf)

  • Explaining Health Reform: Eligibility And Enrollment Processes For Medicaid, CHIP and Subsidies in the Exchange

    Issue Brief

    The new health reform law will require most U.S. citizens and legal residents to have health coverage by 2014. It provides new options for coverage by expanding Medicaid eligibility to more low-income people and creating a state-based system of health insurance exchanges through which individuals can purchase coverage, with federal subsidies for many. This brief and accompanying explanatory chart summarize key requirements that states face under health reform to construct coordinated and consumer-friendly enrollment systems…

  • Costly GLP-1 Drugs are Rarely Covered for Weight Loss by Marketplace Plans

    News Release

    Affordable Care Act (ACA) Marketplace plans rarely cover GLP-1 drugs approved solely for obesity treatment, according to a new KFF analysis of 2024 federal plan data. Wegovy, a drug that is approved for weight loss, is covered by just 1% of Marketplace prescription drug plans, compared to 82% of Marketplace prescription drug plans for Ozempic, which contains the same active ingredient as Wegovy (semaglutide) but is approved only for diabetes. When GLP-1 drugs are covered…

  • Compare the Candidates on Health Care Policy

    Feature

    The side-by-side comparison tool provides a quick overview of former President Trump's and Vice President Harris' records, positions, public statements, and proposed policies on a range of key health care topics.