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Enhanced Premium tax credits

8 Things to Watch for 2026 ACA Open Enrollment

The ACA Marketplace Open Enrollment season begins November 1, and with it comes looming changes to the enhanced premium tax credits, increases in out-of-pocket premiums, and changes to Marketplace enrollment and eligibility rules.

Timely insights and analysis from KFF staff

Health Insurance Premiums

ACA Marketplace Plans Nationally Are Seeking a Median 18% Premium Increase for 2026

This analysis of insurers’ initial rate filings for Affordable Care Act Marketplace plans in all 50 states and DC finds the median proposed increase for 2026 is 18%, more than double last year’s proposed increase. The analysis also shows proposed rate changes by state and insurer.


ACA Premium Payment Increases Across Congressional Districts

How Much Premiums are Going Up for Small Businesses in 2026

Is it Too Late for ACA Insurers to Change Their Premiums?

Calculate How Much More You'd Pay Without the Enhanced ACA Credit

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  • How Affordability of Employer Coverage Varies by Family Income

    Issue Brief

    This analysis looks at the share of family income people with employer-based coverage pay toward their premiums and out-of-pocket payments for medical care. The cost of employer sponsored health insurance—including premiums, deductibles, and other out-of-pocket costs—has risen steadily over time.

  • Fraud in Marketplace Enrollment and Eligibility: Five Things to Know

    Issue Brief

    This brief evaluates what is currently known about fraud and abuse in the Affordable Care Act (ACA) Marketplace, including how the final Marketplace Integrity and Affordability Rule and the recently enacted budget reconciliation law change existing Marketplace enrollment and eligibility standards.

  • How Might Changes to the ACA Marketplace Impact Enrollees with Mental Health Conditions?

    Issue Brief

    This brief estimates the number of current Marketplace enrollees with a mental health diagnosis to understand what changes in enrollment may mean for access to services. Among the 24.3 million Marketplace enrollees in 2025, over 4.4 million individuals are estimated to have at least one mental health diagnosis on a health care claim.

  • Explaining Cost-Sharing Reductions and Silver Loading in ACA Marketplaces

    Policy Watch

    The House of Representatives recently passed a budget reconciliation bill that would appropriate funding for cost-sharing reductions that insurers are required to provide to low-income enrollees in the Affordable Care Act marketplace. This policy watch explains what these cost-sharing reductions are, how they relate to federal spending, and what effect appropriating funding might have on premiums and the uninsured rate.

  • Pending Changes to Marketplace Plans Could Increase Cost Sharing for Consumers

    Policy Watch

    This brief looks at changes to Marketplace plans recently finalized by the Centers for Medicare and Medicaid Services (CMS) that may incentivize insurers to make their plans less generous. With less generous plans, consumers could face higher out-of-pocket costs, though those who don't qualify for premium tax credits could see lower premiums.