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Sweet potatoes: Japan CPI trend
Year on year-2.4%Aug 2026
Month on month-1.0%
Rank among items552 / 594
Peak since 2021+13.1%Apr 2021
Weight (per 10,000)3
Year-on-year change vs all items and group
Index (2020 = 100)
Average yearly change
+8.2%
+2.4%
-1.7%
+0.6%
+6.7%
+1.0%
Last 24 months
| Month | Index | MoM | YoY |
|---|---|---|---|
| Aug 2026 | 105.2 | -1.0% | -2.4% |
| Jul 2026 | 106.3 | +2.4% | -1.3% |
| Jun 2026 | 103.8 | +3.6% | -1.7% |
| May 2026 | 100.1 | +2.4% | -0.4% |
| Apr 2026 | 97.8 | -1.1% | +2.6% |
| Mar 2026 | 98.9 | +1.1% | +4.8% |
| Feb 2026 | 97.8 | -3.4% | +2.5% |
| Jan 2026 | 101.2 | +1.9% | +4.2% |
| Dec 2025 | 99.3 | -2.1% | +5.6% |
| Nov 2025 | 101.4 | +0.6% | +6.8% |
| Oct 2025 | 100.8 | -3.6% | +8.7% |
| Sep 2025 | 104.6 | -3.0% | +5.4% |
| Aug 2025 | 107.8 | +0.2% | +5.8% |
| Jul 2025 | 107.7 | +2.0% | +9.6% |
| Jun 2025 | 105.6 | +5.1% | +7.6% |
| May 2025 | 100.5 | +5.4% | +7.0% |
| Apr 2025 | 95.3 | +1.0% | +7.0% |
| Mar 2025 | 94.4 | -1.0% | +6.4% |
| Feb 2025 | 95.3 | -1.8% | +6.0% |
| Jan 2025 | 97.1 | +3.3% | +4.5% |
| Dec 2024 | 110.5 | -1.1% | +2.9% |
| Nov 2024 | 111.7 | +2.1% | +2.8% |
| Oct 2024 | 109.4 | -6.4% | -0.1% |
| Sep 2024 | 116.8 | -2.2% | +3.7% |
Position within Food (YoY)
-1.7%
-1.7%
-1.8%
-2.0%
-2.1%
-2.3%
-2.4%
-2.7%
-3.0%
-3.5%
-4.2%
-4.6%
-4.6%
Year-on-year change of the Japan CPI (Statistics Bureau, all Japan). Item indices, not shop prices.