Overview
- Current forecasts place the likely 2027 cost‑of‑living adjustment in the mid‑3% range based on settled July data and expectations for August and September readings.
- The Social Security Administration must wait for the full July–September CPI‑W average before announcing the official COLA in October because the law ties the increase to year‑over‑year third‑quarter CPI‑W changes.
- Four of the six monthly CPI inputs used in the COLA calculation are already locked in and the remaining August and September CPI‑W numbers will complete the third‑quarter average.
- About 55 million beneficiaries rely on Social Security checks so even a mid‑3% COLA would matter for household budgets but could be offset in full or in part when Medicare Part B premiums are set this fall.
- Policy debates are converging on measurement and solvency fixes, including proposals to limit COLAs for high earners and alternative inflation measures, and some analysts attribute recent inflation shifts to a so‑called 'Trump bump' though that link is contested.