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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

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 Mississippi Fare Under the Affordable Care Act?

    Fact Sheet

    This state report explains how the ACA expands coverage in Mississippi, 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 Mississippi are eligible for Medicaid or financial assistance in…

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

    Fact Sheet

    This state report explains how the ACA expands coverage in Oklahoma, 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 Oklahoma are eligible for Medicaid or financial assistance in…

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

    Fact Sheet

    This state report explains how the ACA expands coverage in 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 Virginia are eligible for Medicaid or financial assistance in…

  • 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…

  • Abortion Coverage in Marketplace Plans, 2015

    Issue Brief

    This brief analyzes state policies and insurer coverage decisions affecting the availability of abortion coverage in 2015 insurance plans offered through the Marketplaces. It finds that abortion coverage is unavailable in a total of 31 states, 24 of which have enacted laws that ban or restrict abortion coverage in plans sold through their Marketplaces and 7 of which have no abortion coverage restrictions but also have no Marketplace plans offering it.

  • Adults who Remained Uninsured at the End of 2014

    Issue Brief

    This report, based on the 2014 Kaiser Survey of Low-Income Americans and the ACA, profiles the adult population that remained uninsured as of Fall 2014. It describes the characteristics of this population, examines why they lack insurance coverage and reasons for not enrolling in ACA coverage, and provides information on the coverage options available to the remaining uninsured and their plans for obtaining coverage in 2015.

  • Safety-Net Emergency Departments: A Look at Current Experiences and Challenges

    Issue Brief

    Safety-net hospital emergency departments (EDs) are an important part of our health care system, especially, but not only, for the uninsured and others with low income. With multiple major changes unfolding in our system today, including the development of new models of health care delivery, payment reforms, expanded insurance coverage, and increasing demand for primary care access, safety-net EDs are a sort of crucible in which these shifts and transitions can be seen playing out.…

  • Proposed Medicaid Expansion in Tennessee

    Fact Sheet

    This fact sheet describes Tennessee’s 1115 waiver demonstration project, Insure Tennessee, which expands the State’s Medicaid program under the Affordable Care Act.

  • The Cost of Care with Marketplace Coverage

    Issue Brief

    This brief and accompanying slides examine cost sharing - deductibles, copayments and coinsurance - in 2015 insurance plans sold on the Affordable Care Act's (ACA) federally-facilitated marketplaces. The analysis looks at out-of-pocket limits, as well as cost sharing for hospital stays, physician visits, emergency room visits, and prescription drugs, for plans across the metal levels (platinum, gold, silver and bronze).