Inflation Japan 1999
Average inflation: -0.3%
Inflation in 1999
There is deflation with consumer prices declining by 0.3%.
Peak and Trough
The highest inflation was in August at 0.3%. The lowest inflation was in November at -1.2%.
- Highest month
- August: 0.3%
- Lowest month
- November: -1.2%
- Difference
- 1.5 percentage points
- Months with data
- 12 of 12
Category Insights
The highest price increase was in Education with an average of 1.4%. The lowest price increase was in Furnishings, household equipment and maintenance with an average of -1.3%.
- Highest increase
- Education: 1.4%
- Lowest increase
- Furnishings, household equipment and maintenance: -1.3%
Historical Context
Inflation is 0.7 percentage points lower than the 5-year average of 0.4%.
- 5-year average
- 0.4%
- 10-year average
- 1.2%
- All-time high (1980)
- 7.8%
- All-time low (1999)
- -0.3%
Trend
Over the period 1997-1999, inflation shows a downward trend. Compared to 1998, inflation has fallen by 1.0 percentage points.
- Change vs. previous year
- -1.0 percentage points
- Largest monthly swing
- March: -2.6 percentage points
ECB Target
Inflation is 2.3 percentage points below the ECB target of 2.0%. Too low inflation may indicate economic weakness.
Purchasing Power
Due to deflation, purchasing power increases. Money becomes more valuable instead of less.
What you could buy for ¥100 this year will cost approximately ¥100 next year at this inflation rate.
Multi-year trend
Monthly figures 1999
Inflation by category
Inflation differs per product group. Click on a category for the historical trend.
Month overview
| Month | Inflation | Difference vs. 1998 |
|---|---|---|
| January | 0.2% | -1.6 |
| February | -0.1% | -2.0 |
| March | -0.4% | -2.6 |
| April | -0.1% | -0.5 |
| May | -0.4% | -0.9 |
| June | -0.3% | -0.4 |
| July | -0.1% | 0.0 |
| August | 0.3% | +0.6 |
| September | -0.2% | 0.0 |
| October | -0.7% | -0.9 |
| November | -1.2% | -2.0 |
| December | -1.1% | -1.7 |
| Average | -0.3% |
Data source
Data from OECD. Last updated: 13/01/2026.