US Core Inflation MoM Accelerates in August
Brief · Published 2026-09-18 · Data period 2026-08-31
This brief was generated automatically from the published data; no human byline is attached. Read the methodology.
US core consumer prices rose 0.29% in August 2026, accelerating from a 0.22% increase in July, according to the Federal Reserve Bank of St. Louis. The latest reading is above the 0.23% recorded a year earlier and comes as the annual core inflation rate stood at 2.45% in the same month. The monthly index remains far below its all-time high of 1.42% set in March 1980.
Related
Source & methodology
Data source: Federal Reserve Bank of St. Louis.
Values are verified on ingest and republished only when the source revises. How we source and standardize data, including how to request an audit trail for any value.