US Core Consumer Prices Rise to Record High
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 to 337.765 in August 2026, from 336.789 in July, marking the highest level since the series began in January 1957. The index has climbed steadily over the past year, up from 329.7 in August 2025. The August print extends a run of monthly increases, with the index having risen in most months since mid-2025, including a slight dip in June. The value remains well above the all-time low of 28.5 recorded in January 1957, according to the Federal Reserve Bank of St. Louis.
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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.