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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

Enhanced Premium tax credits

2025 KFF Marketplace Enrollees Survey

If their premium payments double, about one in three ACA enrollees say they would be “very likely” to look for a lower-premium Marketplace plan.

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  • The 4 Arguments You Will Hear Against Drug Price Negotiation

    Perspective

    As the Biden administration begins the process of negotiation drug prices for Medicare as authorized in the Inflation Reduction Act, KFF's Larry Levitt probes some of the arguments against it and the policy and political implications of the debate in this New York Times op-ed column.

  • Teens, Drugs, and Overdose: Contrasting Pre-Pandemic and Current Trends

    Issue Brief

    This brief analyzes the latest CDC data on adolescent overdose deaths, finding that from 2022 to 2023, there was a small reduction in overdose fatalities among adolescents (from 721 to 708 deaths). Additionally, the synthetic opioid, fentanyl, has largely driven the increase in adolescent drug fatalities since the pandemic began, accounting for 76% of these fatalities in 2023. This analysis also explores federal and state policy responses to the drug crisis, such as requirements to stock naloxone in schools, accountability for social media companies, and national prevention education efforts.

  • Medicaid as a Potential New Third Rail of US Politics

    Perspective

    In this JAMA Forum column, KFF's Larry Levitt examines Medicaid's growing political importance and the potential double whammy that could hit state Medicaid programs next year with the end of the COVID-19 public health emergency and a possible simultaneous recession.

  • Surprise Medical Bills are Ending, But Controversy Continues

    Perspective

    In this column for the JAMA Health Forum, Larry Levitt examines how the No Surprises Act that prohibits unexpected out-of-network charges for patients could lead to lower payment rates and revenues for some doctors and other care providers.

  • Consumer Appeal Rights in Private Health Coverage

    Issue Brief

    The Affordable Care Act (ACA) gives consumers the right to appeal private health plan claims denials and other adverse decisions, including the incorrect application of cost sharing, although limits apply. This issue brief describes consumer access to appeals and limits on appeal rights that have been adopted through federal regulations.

  • No Surprises Act Implementation: What to Expect in 2022

    Issue Brief

    The “No Surprises Act,” which establishes new federal protections against most surprise out-of-network medical bills when a patient receives out-of-network services during an emergency visit or from a provider at an in-network hospital without advance notice, will take effect next month. A new KFF brief outlines what to expect in 2022.

  • Claims Denials and Appeals in ACA Marketplace Plans in 2021

    Issue Brief

    This analysis of HealthCare.gov Marketplace insurers' transparency data finds that 17% of in-network claims were denied in 2021, with denial rates varying widely across insurers. Consumers appealed less than two-tenths of 1% of denied in-network claims.

  • Sources of Payment for Uncompensated Care for the Uninsured

    Issue Brief

    This brief estimates the level of public funding that was paid to help offset providers’ uncompensated care costs for the uninsured in 2017. To conduct the analysis, we rely on several secondary data sources including government budget appropriations and expenditure data for major public programs that provided funds to cover the cost of care for the uninsured, as well as analyses of secondary data sources completed by others.

  • Congressional District Interactive Map: How Much Will ACA Premium Payments Rise if Enhanced Subsidies Expire?

    Issue Brief

    This analysis and interactive map illustrate how much more enrollees in Affordable Care Act (ACA) Marketplace plans would pay in premiums at the congressional district level if the enhanced subsidies were to expire in 2026 as under current law. The tool presents scenarios for an older couple who would lose subsidy eligibility due to their income level and for a single person with a $31,000 income. It also presents net average premium payment increases in each district in states that use Healthcare.gov.