Japan Measures of Underlying Inflation: August 2025

Tue, Sep 23, 2025 · 2:00 AM ET Next release · Sep 22, 1:00 AM ET

Japan’s measures of underlying inflation in August:

  • Trimmed mean CPI inflation was unchanged at 2.0% YoY (lowest since December 2024).
  • Weighted median CPI inflation was unchanged at 1.1% YoY (lowest since December 2024).
  • The mode CPI inflation increased 0.4 ppts to 1.9% YoY (highest since March 2024).

  • The share of increasing items in the CPI index was 80.1% in August, up from 79.7% in July.