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
- 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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The ACA and Fluoridation: The Power of Political Symbols
In the 1950s, water fluoridation became a public health controversy that morphed into a symbolic issue of larger proportions. For its opponents, fluoridation came to symbolize big government and even for some, a communist threat. The controversy became so odd that it was parodied in Stanley Kubrick’s 1964 film “Dr.…
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March Kaiser Health Tracking Poll: The ACA at Two Years; The Individual Mandate and the Supreme Court
As the Patient Protection and Affordable Care Act (ACA) nears its second birthday, the latest Kaiser Health Tracking Poll finds that public opinion on the law remains evenly split (41 percent favorable, 40 percent unfavorable) with sharp divisions along partisan lines, much as it has been since the law was passed.…
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Health Insurance Transparency under the Affordable Care Act
In February, a final rule was issued implementing the Affordable Care Act (ACA) requirement that all health plans provide a uniform summary of coverage for all enrollees and applicants. The idea of providing easy-to-understand summaries of coverage is, in fact, the most popular provision in the ACA, according to a recent Kaiser…
Perspective Read More Small Area Variations and the ACA’s Coverage Expansions
A new Kaiser analysis sheds light on how the country might react to the Affordable Care Act (ACA) when it is implemented. It looks at how the benefits of the ACA’s coverage expansions will vary around the country by census areas (technically, Public Use Microdata Areas, or PUMAs). PUMAs are…
Perspective Read More Data Note: Americans’ Views on the Personal Impact of the ACA and the Supreme Court’s Decision
This Data Note draws from the March 2012 Kaiser Health Tracking Poll and examines people’s impressions of how the law and the Court case will affect them, focusing primarily on those groups that are in the position to receive the greatest benefits. For the most part, those that stand to…
Poll Finding Read More Explaining Health Care Reform: Medical Loss Ratio (MLR)
This fact sheet explains the Medical Loss Ratio requirement under the Affordable Care Act (ACA). The MLR provision limits the portion of premium dollars health insurers may spend on administration, marketing, and profits. Under health care reform, health insurers must publicly report the portion of premium dollars spent on health care and quality improvement and other activities in each state they operate. Insurers failing to meet the applicable standard must pay rebates to consumers and businesses.
Fact Sheet Read More Private Insurance Benefits and Cost-Sharing Under the ACA
The Department of Health and Human Services (HHS) recently released guidance on the two key components that determine the level of protection that private insurance plans will provide to consumers under health reform. The first involves the services that insurance plans must cover, and the second involves how much patients…
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January 2012 Kaiser Health Tracking Poll: The ACA and the Supreme Court
As the Supreme Court prepares to hear legal challenges to the health reform law in March, the latest Kaiser Health Tracking Poll shows that most Americans (59 percent) expect the Justices to base their ruling on their own ideological views rather than their interpretation of the law (28 percent). As for…
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Pulling it Together: 2012: The ACA, and More
What is remarkable about 2012 (and the current era in health policy) is how many big health policy issues and marketplace changes will be in play at the same time: HEALTH REFORM: There is the implementation of a historic but fragile health reform law, with a Supreme Court decision pending…
Perspective Read More Explaining Health Reform: How will the Affordable Care Act affect Small Businesses and their Employees?
Several provisions of the Affordable Care Act (ACA) will likely have significant effects on small businesses, their employees, and families. Currently, smaller businesses are less likely to offer health insurance coverage to their employees than larger companies: 57% of small businesses with 50 or fewer workers offered health benefits to…
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