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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Obamacare and You: If You Are a Woman…
This short explainer highlights key changes for women coming under the Affordable Care Act, also known as Obamacare.
Fact Sheet Read More A Look at Section 1115 Medicaid Demonstration Waivers Under the ACA: A Focus on Childless Adults
This brief provides an overview of Section 1115 waiver authority, describes major provisions of waivers that extend coverage to childless adults, and identifies key issues and implications of these waivers looking forward to the Affordable Care Act and beyond.
Issue Brief Read More JAMA Forum: The Affordable Care Act After Week 1–What We Know and What We Don’t Yet Know
Larry Levitt’s October 2013 column on what we know and don’t know after the first week of Obamacare open enrollment is now available on The JAMA Forum.
Perspective Read More Health Coverage and Care for American Indians and Alaska Natives
This brief provides an overview of health coverage and care for American Indians and Alaska Natives today and the potential implications of the ACA coverage expansions.
Issue Brief Read More Obamacare and You: If You Are Uninsured…
The Affordable Care Act, also called Obamacare, creates several new ways to get health coverage. This fact sheet explains how If you are uninsured and not offered health coverage through your job, you may be able to obtain coverage through Medicaid or through a new health insurance marketplace (or exchange) in your state. It is from our Obamacare & You series.
Fact Sheet Read More Obamacare and You: If You Have Medicare…
This short explainer highlights some of the key information for people with Medicare about how Affordable Care Act, also known as Obamacare, may affect them.
Fact Sheet Read More Obamacare and You: If You Have a Pre-Existing Condition
This short explainer highlights the changes for people with pre-existing health conditions coming under the Affordable Care Act, also known as Obamacare.
Fact Sheet Read More Obamacare and You: If You Have Job-Based Coverage
This short explainer outlines key changes for people with employer-based health benefits under the Affordable Care Act (ACA), also known as Obamacare.
Fact Sheet Read More Obamacare and You
Obamacare and You is a series of one-page papers explaining how the Affordable Care Act, also known as “Obamacare,” will affect different groups of people. Click on the links below to learn more: If You Are Uninsured Haga clic para leer en español If You Are Low-Income and May Qualify for…
Fact Sheet Read More No Quick Verdict on Obamacare
This column originally appeared in Politico on September 30. Dr. Altman’s future Politico columns will be posted on kff.org one day after publication. October 1, the focus of great attention in the Obamacare wars, is finally here. Today is the day open enrollment begins for the new health insurance marketplaces,…
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