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 Role of Medicaid in State Economies and the ACA
This brief summarizes findings from 32 studies in 26 states analyzing the anticipated impact of the Affordable Care Act Medicaid expansion (and in some cases full ACA implementation) on state and local economies.
Issue Brief Read More How Do Medicaid Disproportionate Share Hospital (DSH) Payments Change Under the ACA?
This brief provides some background on federal Medicaid Disproportionate Share Hospital (DSH) allotments, how DSH payments are affected by the Affordable Care Act (ACA), the methodology for the DSH reductions across states for FY 2014 and FY 2015 and a look at the implications of the reductions.
Issue Brief Read More Healthy Indiana Plan and the Affordable Care Act
This fact sheet provides an overview of the Healthy Indiana Plan, Indiana’s 1115 waiver demonstration project, and how it relates to the Affordable Care Act’s Medicaid expansion.
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Kaiser Health Tracking Poll: November 2013
Amid heavy news coverage of problems with the Affordable Care Act’s rollout, the November Kaiser Health Tracking Poll finds a significant negative shift in the public’s views of the law, with roughly half now holding an unfavorable view and just a third holding a positive one.
Poll Finding Read More Data Note: Attempting to Measure Early Impact of the ACA through National Public Opinion Polls- A Note of Caution and What to Watch For
After the October start of open enrollment, under the Affordable Care Act, many journalists, policymakers, and the public at large are eager for early data indicating how the law is working from the perspective of potential enrollees. In particular, given the problems with Healthcare.Gov and some of the state exchange websites, many people want quantitative data about people’s experiences attempting to purchase or enroll in some sort of health insurance coverage using these mechanisms.
This Data Note raises a note of caution about the possible pitfalls of using standard national public opinion polls to make judgments about Americans’ early experiences with health plan enrollment under the ACA.
A Profile of Community Health Center Patients: Implications for Policy
Community health centers are a key source of primary care in underserved areas. Their role will grow as coverage expands under the ACA. To sharpen understanding of the health center patient population, this brief compares them to the low-income population overall, using the Health Center Patient Survey and National Health Interview Survey. The pre-ACA profile of health center patients that emerges sets the stage for measuring change and highlights important implications of states’ Medicaid expansion decisions.
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Assessing the Impact of the Affordable Care Act on Health Insurance Coverage of People with HIV
This analysis provides the first national estimates of the expected impact of the Affordable Care Act’s (ACA) coverage expansions on people with HIV. The brief finds that close to 70,000 uninsured people with HIV who are in care could gain new coverage, including 47,000 through Medicaid were all states to expand their Medicaid coverage.
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How Will the Uninsured in Texas Fare Under the Affordable Care Act?
This state report explains how the ACA expands coverage in Texas, including a breakdown of how many uninsured people are eligible for Medicaid, how many are eligible for financial assistance to help them buy private insurance in the new Marketplace and how many will not receive any financial assistance at all. The report also details, in specific dollar figures, the income levels at which people in Texas are eligible for Medicaid or financial assistance in the Marketplace. For states not expanding Medicaid, the report quantifies how many uninsured people fall into the “coverage gap,” meaning they will be ineligible for financial assistance in the Marketplace or for Medicaid in their state despite having an income below the federal poverty level.
Fact Sheet Read More How Will the Uninsured in Arkansas Fare Under the Affordable Care Act?
This state report explains how the ACA expands coverage in Arkansas, including a breakdown of how many uninsured people are eligible for Medicaid, how many are eligible for financial assistance to help them buy private insurance in the new Marketplace and how many will not receive any financial assistance at all. The report also details, in specific dollar figures, the income levels at which people in Arkansas are eligible for Medicaid or financial assistance in the Marketplace. For states not expanding Medicaid, the report quantifies how many uninsured people fall into the “coverage gap,” meaning they will be ineligible for financial assistance in the Marketplace or for Medicaid in their state despite having an income below the federal poverty level.
Fact Sheet Read More How Will the Uninsured in California Fare Under the Affordable Care Act?
This state report explains how the ACA expands coverage in California, including a breakdown of how many uninsured people are eligible for Medicaid, how many are eligible for financial assistance to help them buy private insurance in the new Marketplace and how many will not receive any financial assistance at all. The report also details, in specific dollar figures, the income levels at which people in California are eligible for Medicaid or financial assistance in the Marketplace. For states not expanding Medicaid, the report quantifies how many uninsured people fall into the “coverage gap,” meaning they will be ineligible for financial assistance in the Marketplace or for Medicaid in their state despite having an income below the federal poverty level.
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