ACA Enhanced Subsidies Expiration Cuts Marketplace Enrollment by Nearly 3 Million Nationwide
Congressional inaction allowed enhanced ACA subsidies enacted in 2021 to expire at the end of 2025, causing marketplace enrollment to drop from 21.8 million to 19.2 million people nationwide as of August 2026 — a decline of nearly 3 million. Mississippi saw enrollment fall by nearly two-thirds in eight months. The subsidies, created as a pandemic-era measure under the American Rescue Plan Act and extended by the Inflation Reduction Act, made ACA coverage more affordable. Their expiration has left low-income adults without employer coverage, particularly in non-expansion states, facing higher premiums and loss of coverage.
The subsidy expiration directly affects Medicaid-eligible populations in non-expansion states and individuals churning between Medicaid and marketplace coverage, increasing uninsured rates among populations Medicaid programs serve and potentially raising uncompensated care costs for safety-net providers.
Maternal · Managed Care
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