Millions of Americans lose Affordable Care Act (Obamacare) health insurance coverage after enhanced federal subsidies expire, leading to sharp increases in premium costs. Multiple outlets cite new or recently released federal enrollment data from the Centers for Medicare and Medicaid Services (CMS), showing a decline in the number of people enrolled in ACA plans compared with the same period last year. Reported drops vary by outlet, with figures ranging from roughly 3 million fewer enrollees to more than 4–5 million people losing coverage, depending on the specific time window and dataset referenced. Several reports describe significant premium increases for many consumers, including double- or even triple-digit jumps in what policyholders would pay without the enhanced subsidy levels. The Hill and others note that the Trump administration attributes some of the coverage losses to fraud and misconduct, while outside experts emphasize affordability—saying higher premiums drive people to give up coverage. The overall enrollment decline raises concerns among analysts about stability in ACA insurance markets and the availability of coverage going forward.