Affordable Care Act

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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  • About 1 in 6 Emergency Visits and Hospital Stays Had At Least One Out-of-Network Charge in 2017

    News Release

    In roughly 1 of every 6 emergency room visits and inpatient hospital stays in 2017, patients came home with at least one out-of-network medical bill, a new KFF analysis finds. More specifically, 18 percent of all emergency visits and 16 percent of in-network hospital stays had at least one out-of-network charge, leaving patients at risk for surprise medical bills, according to the analysis of claims data from large employer plans. The analysis also finds the…

  • Key State Policy Choices About Medical Frailty Determinations for Medicaid Expansion Adults

    Issue Brief

    This issue brief answers 3 key questions and provides new data about state medical frailty determinations, which are assuming greater importance as more states adopt restrictive Section 1115 waivers that exempt medically frail enrollees from policies such as work requirements and premiums. The findings are excerpted from our 50-state survey on Medicaid financial eligibility for seniors and people with disabilities.

  • Analysis: ‘Cadillac Tax’ on High-Cost Health Plans Could Affect 1 in 5 Employers in 2022

    News Release

    A new KFF analysis estimates that the Affordable Care Act’s tax on high-cost health plans would affect one in five (21%) employers offering health benefits when it takes effect in 2022 unless employers change their health plans. An even larger share (31%) could be affected when workers’ voluntary contributions to Flexible Spending Accounts are taken into account. The analysis comes as some in Congress are proposing to repeal the ACA’s tax on high-cost health plans,…

  • State Actions to Improve the Affordability of Health Insurance in the Individual Market

    Issue Brief

    A number of states have taken steps to provide consumers with more affordable coverage options in the individual market, including the marketplaces. Some states are implementing strategies that lower premiums by building on, and increasing the stability of the individual market, while other states are expanding the availability of lower cost coverage sold outside the marketplaces that does not comply with ACA standards—an approach that could increase marketplace premiums further. This brief examines these different…

  • Benchmark Employer Survey Finds Average Family Premiums Now Top $20,000

    News Release

    Annual family premiums for employer-sponsored health insurance rose 5% to average $20,576 this year, according to the 2019 benchmark KFF Employer Health Benefits Survey released today. Workers’ wages rose 3.4% and inflation rose 2% over the same period. On average, workers this year are contributing $6,015 toward the cost of family coverage, with employers paying the rest.

  • pre-existing conditions

    Nearly 54 Million Americans Have Pre-Existing Conditions That Would Make Them Uninsurable in the Individual Market without the ACA

    News Release

    Almost Half of Non-Elderly Families have At Least One Adult with a Pre-Existing Condition An updated KFF analysis estimates that almost 54 million people – or 27% of all adults under 65 —have pre-existing health conditions that would likely have made them uninsurable in the individual markets that existed in most states before the Affordable Care Act. The share of adults under 65 with such declinable pre-existing conditions varies significantly across states, from at least…

  • Data Note: Prescription Drugs and Older Adults

    Issue Brief

    This data note explores the attitudes and experiences of older adults, ages 65 and up, when it comes to prescription drugs and related policy proposals being discussed. Experiences across different demographic groups are explored, such as household income and health status.

  • Data Note: How Has the Individual Insurance Market Grown Under the Affordable Care Act?

    Issue Brief

    This data note examines changes in the individual insurance market under the Affordable Care Act. Through analysis of filings by insurers to state insurance departments, the Kaiser Family Foundation estimates that the number of people enrolled in the individual insurance market grew 40 percent from the end-of-year 2013 to the end-of-year 2014 and has likely continued growing in 2015 as well.

  • Coverage Expansions and the Remaining Uninsured: A Look at California During Year One of ACA Implementation

    Report

    California is a bellwether state for understanding the impact of the Affordable Care Act (ACA). Much attention has been paid to enrollment in California's new coverage options, such as the Medicaid expansion (Medi-Cal) and plans sold through ACA marketplaces (Covered California), and to changes in the uninsured from 2013 to 2014. However, less is known about how this coverage has affected people’s access to care and financial security, and why others remain uninsured. This report,…