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Affordable Care Act

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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.

Timely insights and analysis from KFF staff

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  • How Premiums Are Changing In 2018

    Issue Brief

    Maps illustrate how premiums in Affordable Care Act (ACA) marketplaces changed for 2018 by looking at the change in the lowest-cost bronze, silver and gold plans by county; counties where an individual’s tax credit covers the full premium of the lowest-cost bronze plan; and counties where the unsubsidized premium for the lowest-cost gold plan has a lower or comparable premium to the lowest-cost silver plan in 2018.

  • Most Americans – Across Parties – Say 2018 Candidates’ Position on Pre-Existing Condition Protections Will Matter to Their Vote; Do Not Want Supreme Court to Overturn These ACA Protections

    News Release

    Half in Non-Expansion States Support Their State Expanding Medicaid; More if Tied to Work Requirements With less than four months to go until the Congressional midterm general election, a candidate’s position on continuing protections for people with pre-existing health conditions is at the forefront of the many health care issues on voters’ minds, finds the…

  • Consumer Assets and Patient Cost Sharing

    Issue Brief

    Higher cost sharing in private insurance has been credited with helping to slow the growth of health care costs in recent years. For families with low incomes or moderate incomes, however, high deductibles, out-of-pocket limits and other cost sharing can be a potential barrier to care and may lead these families to significant financial difficulties. This issue brief uses information from the Federal Reserve Board's 2013 Survey of Consumer Finances to look at how household resources match up against potential cost-sharing requirements for plans offered by employers or available in the individual market, including in the Affordable Care Act marketplaces.

  • Repayments and Refunds: Estimating the Effects of 2014 Premium Tax Credit Reconciliation

    Issue Brief

    This analysis estimates the range of repayment or refund amounts of the advanced premium tax credits issued to enrollees who experience income volatility between the time of enrollment and tax credit reconciliation. Using a simulation model among all households eligible for advance payments of the premium tax credits under the Affordable Care Act, it estimates that half would owe a repayment while 45 percent would be issued a refund of some or all of premium subsidies received.

  • Coverage of Contraceptive Services: A Review of Health Insurance Plans in Five States

    Report

    The Patient Protection and Affordable Care Act (ACA) requires most private plans to provide coverage for women’s preventive health care, including all prescribed FDA-approved contraceptive services, without cost sharing. To better understand how this provision is being implemented by health plans, Kaiser Family Foundation (KFF) staff, with the Lewin Group, reviewed the insurance plan coverage policies for 12 prescribed contraceptive methods (excluding oral contraceptives). This report presents information from 20 different insurance carriers in five states (California, Georgia, Michigan, New Jersey, and Texas) about how they are applying reasonable medical management (RMM) techniques in their coverage of women’s contraceptive services. The different forms of female birth control reviewed in this report include the contraceptive ring, the patch, injections, implants, intrauterine devices (IUDs), and sterilization.