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“Kasutera”, sponge cakes: Japan CPI trend
Year on year+4.0%Aug 2026
Month on month+0.2%
Rank among items201 / 594
Peak since 2021+13.0%Sep 2023
Weight (per 10,000)6
Year-on-year change vs all items and group
Index (2020 = 100)
Average yearly change
+0.6%
+3.5%
+9.0%
+8.9%
+4.9%
+2.6%
Last 24 months
| Month | Index | MoM | YoY |
|---|---|---|---|
| Aug 2026 | 104.5 | +0.2% | +4.0% |
| Jul 2026 | 104.3 | +1.1% | +3.7% |
| Jun 2026 | 103.1 | +0.9% | +1.8% |
| May 2026 | 102.2 | +0.5% | +1.8% |
| Apr 2026 | 101.7 | +0.7% | +2.1% |
| Mar 2026 | 101.0 | +0.4% | +1.2% |
| Feb 2026 | 100.6 | -0.4% | +2.7% |
| Jan 2026 | 101.0 | +0.2% | +3.7% |
| Dec 2025 | 100.8 | +0.4% | +3.9% |
| Nov 2025 | 100.4 | -0.1% | +3.6% |
| Oct 2025 | 100.5 | -0.3% | +4.0% |
| Sep 2025 | 100.9 | +0.4% | +5.4% |
| Aug 2025 | 100.4 | -0.2% | +4.8% |
| Jul 2025 | 100.6 | -0.7% | +4.8% |
| Jun 2025 | 101.3 | +0.9% | +6.1% |
| May 2025 | 100.4 | +0.8% | +5.8% |
| Apr 2025 | 99.6 | -0.2% | +5.2% |
| Mar 2025 | 99.8 | +1.9% | +6.0% |
| Feb 2025 | 97.9 | +0.6% | +4.9% |
| Jan 2025 | 97.3 | +0.0% | +4.0% |
| Dec 2024 | 125.9 | +0.1% | +5.0% |
| Nov 2024 | 125.7 | +0.3% | +4.7% |
| Oct 2024 | 125.3 | +1.1% | +4.8% |
| Sep 2024 | 124.0 | -0.0% | +5.0% |
Position within Food (YoY)
+4.2%
+4.1%
+4.0%
+4.0%
+4.0%
+4.0%
+4.0%
+3.9%
+3.8%
+3.7%
+3.6%
+3.6%
+3.6%
Year-on-year change of the Japan CPI (Statistics Bureau, all Japan). Item indices, not shop prices.