The Role of Inflation in IRMAA 2026 Adjustments Inflation plays a central role in the annual adjustment of IRMAA brackets. For IRMAA 2026, the thresholds are expected to increase modestly, reflecting cost-of-living adjustments. This may allow some retirees to remain in lower brackets, but those with increasing incomes could still cross into surcharge territory. It’s essential to mon... https://www.federalpensionadvisors.com/post/2025-irmaa-brackets