More than a decade after its enactment, tens of millions of people nationwide rely on coverage options created through the Affordable Care Act of 2010 (ACA). The law has survived multiple court challeges at the U.S. Supreme Court and repeated attempts by Republicans in Congress to repeal it. Subsequent legislation has scaled back some aspects of the law and expanded others, including by the COVID-19 relief bill, the American Response Plan Act of 2021. This page highlights relevant analysis about the ACA and proposed and enacted changes to it..

For information about ACA Marketplace Open Enrollment, including fact sheets and 300+ FAQs, visit our collection of resources on Understanding Health Insurance.

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December Kaiser Health Tracking Poll: Public Again Divided on ACA, Independents Polarized, and Exchanges Widely Popular

According to the December Kaiser Health Tracking Poll, the October downturn in the share of Americans with a favorable view of the health reform law has been fully reversed in December and overall opinion on the law returned to the roughly even split seen for most of 2011. Forty-three percent…

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Pulling it Together: The Most Popular Provision in the ACA?

In our most recent monthly tracking poll, we asked the American people what elements of the health reform law they like and dislike. Surprisingly, the runaway favorite was a relatively obscure requirement that health plans provide consumers with a short, easy to understand description of their benefits and coverage. Sixty…

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Kaiser November Health Tracking Poll: Individual Elements of the ACA Popular with the Public

After taking a negative turn in October, the public’s overall views on the Patient Protection and Affordable Care Act (ACA) returned to a more mixed status this month. Still, Americans remain somewhat more likely to have an unfavorable view of the law (44 percent) than a favorable one (37 percent).…

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July Kaiser Health Tracking Poll: Public Still Divided on ACA, Few Believe the Law Will Improve Consumer Protections

Overall public opinion on the health reform law remains unchanged this month, with 42 percent of Americans holding a favorable view and 43 percent an unfavorable view. Even though previous Health Tracking polls have consistently shown that consumer protections were one of the least controversial and most widely supported provisions…

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Affordable Care Act Provisions Relating to the Care of Dually Eligible Medicare and Medicaid Beneficiaries

This issue brief identifies the major provisions in the Patient Protection and Affordable Care Act (ACA) that are designed to improve care and streamline service delivery for dual eligibles, the millions of low-income seniors and younger persons with disabilities who are enrolled in both the Medicaid and Medicare programs. Dual…

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What the Actuarial Values in the Affordable Care Act Mean

The Patient Protection and Affordable Care Act (PPACA) establishes four levels of coverage based on the concept of “actuarial value,” which represents the share of health care expenses the plan covers for a typical group of enrollees. As plans increase in actuarial value – bronze, silver, gold, and platinum –…

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Medicaid Policy Options for Meeting the Needs of Adults with Mental Illness under the Affordable Care Act

This paper examines the salient issues raised in a November 2010 roundtable discussion of national and state experts convened by the Kaiser Commission on Medicaid and the Uninsured, in partnership with the Bazelon Center for Mental Health Law, to discuss Medicaid policy options available under health reform to help meet…

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Explaining Health Reform: Building Enrollment Systems That Meet The Expectations of the Affordable Care Act

The new health reform law will require most U.S. citizens and legal residents to have health coverage by 2014. It provides new options for coverage by expanding Medicaid eligibility to more low-income people and creating a state-based system of health insurance Exchanges through which individuals can purchase coverage, with federal…

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Filling the need for trusted information on national health issues, the Kaiser Family Foundation is a nonprofit organization based in San Francisco, California.