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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How the ACA Changes Pathways to Insurance Coverage for People with HIV
There are multiple sources of insurance coverage and care for people with HIV in the United States. These include public programs, such as Medicaid and Medicare, and the Ryan White HIV/AIDS program, as well as private coverage through an employer or in the individual market. Medicaid, the nation’s principal safety-net…
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Coverage of Colonoscopies Under the Affordable Care Act’s Prevention Benefit
The Affordable Care Act (ACA) requires private health insurers to cover recommended preventive services such as colonoscopies without any patient cost-sharing. This report finds that confusion over whether colon cancer screenings are preventive care or treatment means patients sometimes receive unexpected bills for the procedure. The report examines cost-sharing practices for colorectal screenings through interviews with experts and officials in the medical and insurance industries.
This report was co-authored by The Kaiser Family Foundation, American Cancer Society, and National Colorectal Cancer Roundtable.
Report Read More Implementing the ACA’s Medicaid-Related Health Reform Provisions After the Supreme Court’s Decision
On June 28, 2012, the U.S. Supreme Court upheld the constitutionality of the Affordable Care Act (ACA). A majority of the Court also found the ACA’s Medicaid expansion unconstitutionally coercive of states, while a different majority of the Court held that this issue was fully remedied by limiting the Health…
Issue Brief Read More A Guide to the Supreme Court’s Decision on the ACA’s Medicaid Expansion
On June 28, 2012, the U.S. Supreme Court issued its decision in the case challenging the Affordable Care Act (ACA). The Court upheld the constitutionality of the ACA’s individual mandate, which requires most people to maintain a minimum level of health insurance coverage beginning in 2014. A majority of the…
Issue Brief Read More A Historical Review of How States Have Responded to the Availability of Federal Funds for Health Coverage
This historical review finds that the availability of federal funds has served as an effective incentive for states to provide health coverage to meet the health and long-term care needs of their low-income residents despite state budget pressures. The brief examines the history of earlier experiences and provides important context for how states may respond as they weigh the costs and benefits of expanding their Medicaid programs in 2014 as called for under the Affordable Care Act.
Issue Brief Read More Summary of Coverage Provisions in the Patient Protection and Affordable Care Act
This short summary describes the health coverage provisions contained in the final version of the Affordable Care Act signed into law in March 2010, including the individual mandate requirements, expansion of public programs, health insurance exchanges, changes to private insurance and employer requirements.
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Kaiser Poll: Early Reaction to Supreme Court Decision on ACA
Following last week’s Supreme Court’s decision upholding the heart of the Affordable Care Act (ACA), a majority of Americans (56 percent) now say they would like to see the law’s detractors stop their efforts to block its implementation and move on to other national problems. In the first of two…
Perspective Read More Kaiser Health Tracking Poll: Early Reaction to Supreme Court Decision on the ACA
This poll fielded following the Supreme Court’s decision upholding the heart of the Affordable Care Act (ACA) finds a majority of Americans (56 percent) now say they would like to see the law’s detractors stop their efforts to block its implementation and move on to other national problems. Democrats overwhelmingly…
Poll Finding Read More A Guide to the Supreme Court’s Affordable Care Act Decision
This policy brief describes the Supreme Court’s decision on the Affordable Care Act and looks ahead to the implementation of health reform now that questions about the constitutionality of the law have been resolved. Brief (.pdf)
Issue Brief Read More Kaiser Survey Probes Health Insurance Brokers’ Views on Insurance Trends, ACA
A new nationally representative survey of 500 health insurance agents and brokers working in the individual and small group markets by the Kaiser Family Foundation explores their outlook on market trends and views on the Affordable Care Act (ACA). The survey finds that many agents are seeing steep increases in premiums…
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