Inflation Japan 2009
Average inflation: -1.3%
Inflation in 2009
There is deflation with consumer prices declining by 1.3%.
Peak and Trough
The highest inflation was in January at 0.0%. The lowest inflation was in October at -2.5%.
- Highest month
- January: 0.0%
- Lowest month
- October: -2.5%
- Difference
- 2.5 percentage points
- Months with data
- 12 of 12
Category Insights
The highest price increase was in Education with an average of 0.8%. The lowest price increase was in Transport with an average of -7.6%.
- Highest increase
- Education: 0.8%
- Lowest increase
- Transport: -7.6%
Historical Context
Inflation is 1.3 percentage points lower than the 5-year average of 0.0%.
- 5-year average
- 0%
- 10-year average
- -0.3%
- All-time high (1991)
- 3.3%
- All-time low (2009)
- -1.3%
Trend
Over the period 2007-2009, inflation shows a downward trend. Compared to 2008, inflation has fallen by 2.7 percentage points.
- Change vs. previous year
- -2.7 percentage points
- Largest monthly swing
- July: -4.5 percentage points
ECB Target
Inflation is 3.3 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 ¥99 next year at this inflation rate.
Multi-year trend
Monthly figures 2009
Inflation by category
Inflation differs per product group. Click on a category for the historical trend.
Month overview
| Month | Inflation | Difference vs. 2008 |
|---|---|---|
| January | 0.0% | -0.7 |
| February | -0.1% | -1.1 |
| March | -0.3% | -1.5 |
| April | -0.1% | -0.9 |
| May | -1.1% | -2.4 |
| June | -1.8% | -3.8 |
| July | -2.2% | -4.5 |
| August | -2.2% | -4.3 |
| September | -2.2% | -4.3 |
| October | -2.5% | -4.2 |
| November | -1.9% | -2.9 |
| December | -1.7% | -2.1 |
| Average | -1.3% |
Data source
Data from OECD. Last updated: 13/01/2026.