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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.”

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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

Timely insights and analysis from KFF staff

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  • Kaiser Health Tracking Poll — March 2011

    Feature

    Little has changed since President Obama signed the Patient Protection and Affordable Care Act (ACA) into law. The March Health Tracking Poll finds that the public continues to report that they are confused about the law, say they don’t have enough information on how the law will affect them, and remain divided in their views of the law. Further, the stark partisan gap persists. In terms of next steps for the law, Americans like the…

  • KFF March Health Tracking Poll: One Year Later, Views on Health Reform Remain Divided

    Perspective

    Health reform is a year old and the latest Kaiser Health Tracking Poll finds a basic division that has changed little during the last 12 months. This month, 42 percent of Americans hold favorable views of the law while 46 percent view it unfavorably. In April 2010, the month after passage, 46 percent had favorable views and 40 percent unfavorable ones, but both figures have ticked up and down over the last year. Opinion of…

  • A Profile of Health Insurance Exchange Enrollees

    Report

    The Patient Protection and Affordable Care Act calls for the creation of Health Insurance Exchanges in all states by January 1, 2014. The exchanges are a critical element of the health reform law, aimed at helping individuals and families shop for and purchase health insurance on their own with additional assistance for lower-income individuals and families. The Congressional Budget Office has estimated that approximately 24 million people will purchase coverage through the state health exchanges…

  • Mobile Technology: Smart Tools to Increase Participation in Health Coverage

    Issue Brief

    As mobile technology advances and cell phone use continues to increase across demographic groups, there is significant potential to tap these technologies to facilitate enrollment in and retention of health coverage, in both the immediate term and as health reform is implemented. A brief produced in conjunction with The Children's Partnership examines how various tools and strategies, including text messages and smart phone apps, can be used to advance coverage goals. The report focuses especially…

  • Medicaid Matters: Understanding Medicaid’s Role in Our Health Care System

    Fact Sheet

    This fact sheet provides key information about the Medicaid program and its role in our health care system and state economies. The nation’s public health insurance program for low-income people is counter-cyclical, expanding during the recent recession to assist millions of individuals and families affected by the loss of jobs and job-based health insurance. While the program has worked as intended, economic conditions have contributed to growing pressure on state budgets and Medicaid funding. This…

  • Determining Income for Adults Applying for Medicaid and Exchange Coverage Subsidies: How Income Measured With a Prior Tax Return Compares to Current Income at Enrollment

    Issue Brief

    A major goal of the Patient Protection and Affordable Care Act (ACA) is to significantly expand coverage and reduce the number of uninsured. Beginning in 2014, the ACA will establish a new continuum of coverage that will provide assistance to individuals with incomes up to 400% of poverty through a broad expansion in Medicaid and by making premium tax credits available to eligible individuals to purchase coverage through new Health Insurance Exchanges. The law standardizes…

  • KFF February Health Tracking Poll: Nearly Half Confused About Status of the Health Reform Law

    Perspective

    In the latest Kaiser Health Tracking Poll, nearly half of Americans say they are confused about the status of the health reform law. While 52 percent of the public is aware that health reform is still law, 22 percent think the law has been repealed and is no longer law and another 26 percent are not sure. Americans are still divided about what they want lawmakers to do on health reform. Three in ten say…

  • The Budget: What Would You Cut?

    Perspective

    As President Obama and Congress begin to hash out the 2012 budget, it is a good time to revisit results from our January 2011 survey showing that in spite of the fact that most Americans report being very concerned about the budget deficit, there is little public support for major reductions across a number of program areas. Majorities said they would not support any reductions in Social Security (64 percent), public education (63 percent), or…

  • Shared Medical Decision Making: We’re in This Together

    Event Date:
    Event

    In recent years, awareness of the patient’s important role in managing his or her own care has been steadily growing—fed not only by such trends as the proliferation of health information on the internet and direct-to-consumer advertising, but also by the emerging science of patient-centered decision making. One way to facilitate shared decision making is through the use of decision support tools, which offer the patient high quality medical information in an easily understandable format.…