Higher-Income Retirees Face a Net Loss as IRMAA Surcharges Swallow the 2026 Social Security COLA

Core Insights - The 2026 cost-of-living adjustment (COLA) for Social Security recipients is 2.8%, resulting in an average monthly benefit increase of $56, from $2,015 to $2,071 [2][5] - Medicare Part B premiums have increased by $17.90 to $202.90 per month, consuming 32% of the COLA raise, leaving a net gain of approximately $38 per month for retirees after accounting for the deductible increase [3][5] Social Security and Medicare Impact - The increase in Medicare Part B premiums directly affects Social Security checks, as these premiums are deducted before beneficiaries receive their payments [3] - The Part B deductible has also risen to $283, an increase of $26, further reducing the net benefit for retirees [3] IRMAA Surcharge Effects - The Income-Related Monthly Adjustment Amount (IRMAA) surcharge imposes higher costs on higher-income beneficiaries, with the 2026 thresholds set for individual and joint incomes, leading to significantly higher premiums for those in the second IRMAA bracket [4] - For retirees in the second IRMAA bracket, the monthly premium is $284.10, nearly $100 more than the standard premium, which diminishes the impact of the COLA increase [4] Economic Context - Rising healthcare and energy costs are outpacing the Social Security adjustment, with core inflation at 3.0% and services inflation even higher, eroding the purchasing power of retirees [5]