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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.

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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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  • How Will the Uninsured in West Virginia Fare Under the Affordable Care Act?

    Fact Sheet

    This state report explains how the ACA expands coverage in West Virginia, including a breakdown of how many uninsured people are eligible for Medicaid, how many are eligible for financial assistance to help them buy private insurance in the new Marketplace and how many will not receive any financial assistance at all. The report also details, in specific dollar figures, the income levels at which people in West Virginia are eligible for Medicaid or financial…

  • Data Note: How Many People Have Nongroup Health Insurance?

    Issue Brief

    The implementation of the Affordable Care Act (ACA) has focused attention on the composition of the nongroup market: how it looked before the new regulatory provisions take effect and how it will change afterwards. There are several ways of answering this question, depending on the time period for measuring enrollment and the information source. There is substantial turnover among people with nongroup coverage, which means that the number of people covered at the beginning of…

  • Web Briefing: Understanding the Health Coverage and Affordability Provisions in the American Rescue Plan Act

    Event Date:
    Event

    The American Rescue Plan (ARP) Act signed into law earlier this month includes a number of provisions aimed at making health coverage more accessible and affordable amid the public health and economic crises created by the COVID-19 pandemic. Join KFF at a web briefing to explain these changes and their expected impact on consumers, insurance marketplaces, and states.

  • Private Insurers Are Expected to Pay $2.1 Billion in Rebates to Consumers This Year for Excessive Health Insurance Premiums Relative to Health Care Expenses

    News Release

    Private insurance companies are expecting to pay out $2.1 billion in rebates to consumers this fall, the second highest amount ever issued under the Affordable Care Act, according to a new KFF analysis. The rebates, which are calculated based on the share of premium revenues that insurance companies paid out for health care expenses and quality improvement, are roughly $400 million lower than last year’s record high of $2.5 billion, but more than 50 percent…

  • What Are Some Policy Options for Reaching the 2.2 Million Uninsured People in the ACA’s “Coverage Gap”?

    News Release

    A new KFF issue brief explores several potential policy options that would help close the Affordable Care Act’s "coverage gap," including providing further new incentives for states to expand Medicaid, creating a new "public option" or extending ACA Marketplace premium subsidies to low-income people who don’t currently qualify for federal help. At stake is affordable health coverage for 2.2 million uninsured people with incomes below the federal poverty level ($12,880 annually for an individual in…

  • Corporate Leaders Are Getting Bullish On Government Action On Health Care Costs

    From Drew Altman

    In this Axios column, Drew Altman explores whether the long struggle with rising health costs has caused the tide to turn in corporate leaders’ attitudes towards government involvement in controlling health spending and whether it is part of a larger shift in comfort with government action to solve problems.

  • Vast Majority of Large Employers Surveyed Say Broader Government Role Will Be Necessary to Control Health Costs and Provide Coverage, Survey Finds

    News Release

    Top executives at nearly 90% of large employers surveyed believe the cost of providing health benefits to employees will become unsustainable in the next five-to-10 years, and 85% expect the government will be required to intervene to provide coverage and contain costs, according to a new survey released today from Purchaser Business Group on Health (PBGH) and KFF (Kaiser Family Foundation), with support from the West Health Institute. The research exposes large employers’ mounting concerns…

  • New Analysis Summarizes Recent Research on the Effects of ACA Medicaid Expansion, Providing Context for Renewed Expansion Debates in States

    News Release

    New federal financial incentives for Medicaid expansion and the increased reliance on Medicaid as a coverage safety net during the pandemic have renewed debate in the 12 states that have not adopted the Medicaid expansion under the Affordable Care Act. A new KFF literature review provides context for these expansion debates by summarizing evidence from nearly 200 studies about the effects of Medicaid expansion that were published between February 2020 and March 2021. These studies…

  • Two New Analyses: House COVID-19 Relief Plan Would Temporarily Lower Marketplace Premiums for Millions and More than Offset Short-Term State Costs to Expand Their Medicaid Programs

    News Release

    The House COVID-19 relief proposal would temporarily lower what millions of Marketplace enrollees and uninsured potential enrollees would pay toward premiums and would provide states that have not expanded their Medicaid programs a financial boost that would more than offset their costs initially, two new KFF analyses find. The analyses assess two parts of the House plan aimed at expanding access to affordable health coverage by expanding the Affordable Care Act’s tax credits for people…