United States Core Inflation Rate

US Core Inflation Falls to Lowest Since 2021

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.

The US core inflation rate fell to 2.45% in August 2026 from 2.47% in July, marking the third consecutive monthly decline. The reading was the lowest since March 2021, down from 3.11% a year earlier. On a monthly basis, core inflation rose 0.29% in August, according to the Federal Reserve Bank of St. Louis.

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Source & methodology

Data source: Federal Reserve Bank of St. Louis.

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