Glossary · Marketplace
What is the Affordable Care Act (ACA)?
The Affordable Care Act is the health care reform law enacted in March 2010. Its goals include making affordable health insurance available to more people, expanding Medicaid, and supporting new ways to deliver care.
Definition and figures from HealthCare.gov glossary, checked October 23, 2026. This page explains the term; it does not recommend a plan.
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ACA: the facts
| Item | Fact | Source |
|---|---|---|
| Enacted | March 2010 | HealthCare.gov glossary: Affordable Care Act (ACA) |
| Premium tax credits | For households with incomes between 100% and 400% of the federal poverty level | HealthCare.gov glossary: Affordable Care Act (ACA) |
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What does ACA mean in health insurance?
The Affordable Care Act is the health care reform law enacted in March 2010. Its goals include making affordable health insurance available to more people, expanding Medicaid, and supporting new ways to deliver care.