Inflation Japan 1990
Average inflation: 3.1%
Current Inflation
Inflation is high at 3.1%, well above the ECB target.
Peak and Trough
The highest inflation was in November at 4.2%. The lowest inflation was in June at 2.2%.
- Highest month
- November: 4.2%
- Lowest month
- June: 2.2%
- Difference
- 2.0 percentage points
- Months with data
- 12 of 12
Category Insights
The highest price increase was in Education with an average of 5.0%. The lowest price increase was in Communication with an average of -0.6%.
- Highest increase
- Education: 5.0%
- Lowest increase
- Communication: -0.6%
Historical Context
Current inflation is 1.7% higher than the 5-year average of 1.4%.
- 5-year average
- 1.4%
- 10-year average
- 2.1%
- All-time high (1974)
- 23.2%
- All-time low (1987)
- 0.1%
Trend
Inflation shows an upward trend. Compared to 1989, inflation has risen by +0.8 percentage point.
- Change vs. previous year
- +0.8 percentage points
- Largest monthly swing
- February: +2.6 percentage points
ECB Target
Inflation is 1.1% 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 €103.10 next year at this inflation rate.
Multi-year trend
Monthly figures 1990
Inflation by category
Inflation differs per product group. Click on a category for the historical trend.
Month overview
| Month | Inflation | Difference vs. 1989 |
|---|---|---|
| January | 3.0% | +1.9 |
| February | 3.6% | +2.6 |
| March | 3.5% | +2.4 |
| April | 2.5% | +0.1 |
| May | 2.7% | -0.2 |
| June | 2.2% | -0.8 |
| July | 2.3% | -0.7 |
| August | 2.9% | +0.3 |
| September | 3.0% | +0.4 |
| October | 3.5% | +0.6 |
| November | 4.2% | +1.9 |
| December | 3.8% | +1.2 |
| Average | 3.1% |
Data source
Data from OECD. Last updated: 13/01/2026.