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Octopus: Japan CPI trend
Year on year+10.6%Aug 2026
Month on month+1.0%
Rank among items60 / 594
Peak since 2021+23.4%Feb 2022
Weight (per 10,000)4
Year-on-year change vs all items and group
Index (2020 = 100)
Average yearly change
+7.0%
+16.2%
+6.6%
+3.5%
+5.9%
+7.4%
Last 24 months
| Month | Index | MoM | YoY |
|---|---|---|---|
| Aug 2026 | 108.4 | +1.0% | +10.6% |
| Jul 2026 | 107.4 | -0.5% | +9.6% |
| Jun 2026 | 107.9 | +1.3% | +8.9% |
| May 2026 | 106.5 | +0.3% | +6.7% |
| Apr 2026 | 106.2 | -0.0% | +8.0% |
| Mar 2026 | 106.3 | +0.3% | +5.1% |
| Feb 2026 | 106.0 | +1.1% | +5.8% |
| Jan 2026 | 104.8 | +1.6% | +4.5% |
| Dec 2025 | 103.2 | +0.8% | +3.6% |
| Nov 2025 | 102.4 | +2.9% | +4.5% |
| Oct 2025 | 99.5 | -0.6% | +2.8% |
| Sep 2025 | 100.1 | +2.1% | +4.2% |
| Aug 2025 | 98.0 | +0.0% | +6.3% |
| Jul 2025 | 98.0 | -1.2% | +5.6% |
| Jun 2025 | 99.2 | -0.7% | +6.3% |
| May 2025 | 99.9 | +1.6% | +6.9% |
| Apr 2025 | 98.4 | -2.7% | +7.2% |
| Mar 2025 | 101.1 | +0.9% | +8.7% |
| Feb 2025 | 100.1 | -0.2% | +7.9% |
| Jan 2025 | 100.3 | +0.6% | +7.1% |
| Dec 2024 | 144.4 | +1.8% | +8.4% |
| Nov 2024 | 141.8 | +1.1% | +6.7% |
| Oct 2024 | 140.3 | +0.7% | +5.2% |
| Sep 2024 | 139.4 | +4.4% | +4.6% |
Position within Food (YoY)
+11.4%
+11.4%
+11.2%
+11.1%
+10.7%
+10.6%
+10.6%
+10.1%
+10.1%
+10.0%
+10.0%
+9.7%
+9.6%
Year-on-year change of the Japan CPI (Statistics Bureau, all Japan). Item indices, not shop prices.