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.
Featured Affordable Care Act Resources
Potential Costs and Impact of Health Provisions in the Build Back Better Act
A summary of 10 of the major health coverage and financing provisions of the current Build Back Better Act, with discussion of the potential implications for people and the federal budget.
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Related Affordable Care Act Resources
- 5 Charts About Public Opinion on the Affordable Care Act and the Supreme Court
- A Closer Look at the Uninsured Marketplace Eligible Population Following the American Rescue Plan Act
- Eligibility for ACA Health Coverage Following Job Loss
- Pre-Existing Condition Prevalence for Individuals and Families
- Building on the Evidence Base: Studies on the Effects of Medicaid Expansion, February 2020 to March 2021
- FAQs: Health Insurance Marketplace and the ACA
- Explaining Health Care Reform: Questions About Health Insurance Subsidies
- Status of State Medicaid Expansion Decisions: Interactive Map
- Preventive Services Tracker
- Tracking Section 1332 State Innovation Waivers
How Marketplace Costs and Premiums will Change if Rescue Plan Subsidies Expire
In this Policy Watch we explore the potential impact of the expiration of the American Rescue Plan Act’s enhanced financial help and new eligibility for the Affordable Care Act’s health insurance Marketplace federal subsidies. While the COVID-19 relief legislation passed earlier this year provides greater subsidy assistance through 2022, Democrats in Congress are currently considering making the temporary federal help permanent or extending it as part of their planned budget reconciliation legislation.
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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…
Perspective Read More 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…
Perspective Read More 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).…
Perspective Read More 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…
Perspective Read More 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…
Issue Brief Read More 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 –…
Issue Brief Read More 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…
Issue Brief Read More 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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