1-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily
This series is part of the dataset: Japan constant-maturity government-bond yield curve (Ministry of Finance)
Download Full Dataset (.xlsx)Latest updates. In Japan, the 1-year government-bond yield stood at 0.80 percent on 30 September 2025, compared to 0.78 on 29 September 2025.
Sample. There are 12,419 observations overall in the daily time series presented in the graph above. The series covers the time span stretching from September 1974 to September 2025.
History. Check out a few descriptive statistics computed on the entire sample: the yield had an average value of 2.52 percent; it reached a maximum of 11.24 on 12 February 1975; it reached its minimum of -0.37 on 27 July 2016.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-09-26 | 0.771 |
| 2025-09-29 | 0.778 |
| 2025-09-30 | 0.8 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 1-year yield; Japan government bond yield curve |
| Country | Japan |
| Economic concept | Interest rate |
| Data type | Semiannually compounded interest rate |
| Deflation method | Not applicable |
| Seasonally adjusted | No |
| Rescaling | None |
| Frequency | Daily |
| Unit | Percentage points |
| Source | Japan Ministry of Finance |
| Source type | National source |
| Data licence | Public Data Licence |
| Measure type | Interpolated level (constant maturity; cubic spline) |