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
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
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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This page displays an interactive map of the current status of state decisions on the Affordable Care Act’s Medicaid expansion. Additional Medicaid expansion resources are listed (with links) below the map.Issue Brief Read More
The Build Back Better Act would make a number of changes to the way people get health insurance and how health care is financed, including by temporarily closing the Medicaid coverage gap.Issue Brief Read More
The Affordable Care Act (ACA) gives consumers the right to appeal private health plan claims denials and other adverse decisions, including the incorrect application of cost sharing, although limits apply. This issue brief describes consumer access to appeals and limits on appeal rights that have been adopted through federal regulations.Issue Brief Read More
County-Level Analysis Finds ACA Premiums are Falling in Many Areas of the Country, Though Changes Vary by County and Type of Plan
Premiums for the Affordable Care Act Marketplace benchmark silver plan are decreasing 3.1 percent on average across the country – the fourth year in a row that benchmark premiums have fallen – though the changes vary by county, a new KFF county-by-county analysis finds. The benchmark plan premiums are important…News Release Read More
Premiums for ACA Marketplace benchmark silver plans are decreasing on average across the U.S. in 2022. However, premium changes vary widely by location and by metal level, including premium increases in a number of counties and plans.Issue Brief Read More
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.Issue Brief Read More
More Than 6 in 10 of the Remaining 27.4 Million Uninsured People in the U.S. are Eligible for Subsidized ACA Marketplace Coverage, Medicaid or the Children’s Health Insurance Program
Recent policy attention has focused on efforts to reduce the number of uninsured people in the U.S. by expanding eligibility for coverage assistance, including enhanced premium subsidies in the Affordable Care Act (ACA) Marketplace and filling the Medicaid “coverage gap.” A new KFF analysis shows that a majority of the…News Release Read More
This issue brief examines the characteristics of the remaining uninsured population who are eligible for Medicaid or CHIP.Issue Brief Read More
Efforts to Increase Marketplace Enrollment During Open Enrollment Could Boost Medicaid Coverage, Too
As the ninth open enrollment period for the Health Insurance Marketplaces begins, enhanced Marketplace premium help along with increased funding for outreach and enrollment assistance mean there are more affordable coverage options for the millions of people who remain uninsured and more help available to connect those individuals to coverage.Blog Read More
This brief provides an overview of the financial assistance provided under the ACA for people purchasing coverage on their own through health insurance Marketplaces (also called exchanges).Issue Brief Read More