Inflation Japan 1991
Average inflation: 3.3%
Current Inflation
Inflation is high at 3.3%, well above the ECB target.
Peak and Trough
The highest inflation was in January at 4.0%. The lowest inflation was in September at 2.7%.
- Highest month
- January: 4.0%
- Lowest month
- September: 2.7%
- Difference
- 1.3 percentage points
- Months with data
- 12 of 12
Category Insights
The highest price increase was in Food and non-alcoholic beverages with an average of 5.6%. The lowest price increase was in Communication with an average of -1.9%.
- Highest increase
- Food and non-alcoholic beverages: 5.6%
- Lowest increase
- Communication: -1.9%
Historical Context
Current inflation is 1.4% higher than the 5-year average of 1.9%.
- 5-year average
- 1.9%
- 10-year average
- 1.9%
- All-time high (1974)
- 23.2%
- All-time low (1987)
- 0.1%
Trend
Inflation has remained relatively stable. Compared to 1990, the difference is minimal (+0.2 percentage point).
- Change vs. previous year
- +0.2 percentage points
- Largest monthly swing
- July: +1.2 percentage points
ECB Target
Inflation is 1.3% above the ECB target of 2.0%. This means purchasing power is declining faster than intended.
Purchasing Power
At this inflation rate, purchasing power noticeably decreases. Without a salary increase, you can buy less with the same money.
What you could buy for €100 this year will cost approximately €103.30 next year at this inflation rate.
Multi-year trend
Monthly figures 1991
Inflation by category
Inflation differs per product group. Click on a category for the historical trend.
Month overview
| Month | Inflation | Difference vs. 1990 |
|---|---|---|
| January | 4.0% | +1.0 |
| February | 3.6% | 0.0 |
| March | 3.6% | +0.1 |
| April | 3.4% | +0.9 |
| May | 3.4% | +0.7 |
| June | 3.4% | +1.2 |
| July | 3.5% | +1.2 |
| August | 3.3% | +0.4 |
| September | 2.7% | -0.3 |
| October | 2.7% | -0.8 |
| November | 3.1% | -1.1 |
| December | 2.7% | -1.1 |
| Average | 3.3% |
Data source
Data from OECD. Last updated: 11/01/2026.