View the Latest: Enrollment
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A Look at the Intersection of SNAP and Medicaid as States Implement Medicaid Work Requirements
Issue BriefThis brief describes the intersection between Medicaid and SNAP and discusses how information from SNAP may be leveraged by states when implementing the new Medicaid work requirements.
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Analyzing Changes in Medicare Part D Enrollment for 2026
Issue BriefThe Medicare Part D prescription drug benefit is provided by private plans, either Medicare Advantage plans that offer drug coverage (MA-PDs) or, for those in traditional Medicare, stand-alone prescription drug plans (PDPs). New data from CMS shows that 56 million people are enrolled in Part D plans as of February 2026, with more in MA-PDs than PDPs, reflecting higher overall enrollment in Medicare Advantage than in traditional Medicare. Enrollment in group MA-PD plans decreased while group PDP enrollment increased.
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Medicare Advantage Enrollment Grew by About 1 Million People, Mainly Due to Special Needs Plans
Issue BriefJust over 35 million people are enrolled in Medicare Advantage in February 2026, an increase of 1.1 million since a year ago. The increase was largely driven by increased enrollment in special needs plans.
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ACA Marketplace Enrollment is Down in 2026—But All of the Data Isn’t in Yet
Issue BriefThis brief explains the limitations of early data in understanding the impact of the expiration of enhanced premiums tax credit on ACA enrollment. It also provides a timeline of when more complete data will become available.
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ACA Sign-Ups Are Down by Over a Million People, But It’s Still an Incomplete Picture
Quick TakeData currently being released represent Open Enrollment Marketplace plan selections, or how many people have signed up for or been automatically renewed into 2026 coverage. These data do not necessarily translate to effectuated enrollments. That is because people who have selected a plan or been automatically renewed may not ultimately choose to pay for their plan, thus “effectuating” their coverage.
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Quiz: Test Your Knowledge of the Affordable Care Act
FeatureTake this ten-question quiz to see how much you know about how the ACA affects health insurance coverage and costs as well as who is eligible for financial assistance
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State-Based Efforts Will Provide Limited Relief from Enhanced Tax Credit Expiration
Policy WatchAfter failed Senate votes late last year and no subsequent bipartisan agreement, the enhanced premium tax credits expired as of January 1. Some states, particularly those operating State-Based Marketplaces (SBMs), have been preparing for this possibility for months and are moving to blunt the impact on consumers by implementing their own state-funded subsidies and implementing other programs aimed at stabilizing the cost of unsubsidized premiums.
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Recent Trends in Commercial Health Insurance Market Concentration
Issue BriefCommercial health insurance markets remain highly concentrated across coverage types. However, the individual market, which consists mostly of the ACA Marketplaces, has attracted more insurers and witnessed greater insurer competition across a variety of measures since the implementation of the enhanced premium tax credits in 2021, according to a new Healthy System Tracker analysis.
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Medicare Advantage 2026 Spotlight: A First Look at Plan Premiums and Benefits
Issue BriefThis brief provides an overview of premiums and benefits in Medicare Advantage plans that are available for 2026 and key trends over time.