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 was 0.76 percent on 24 September 2025, the same value recorded on 22 September 2025.
Sample. There are 12,415 data points in the daily time series displayed in the plot above. The series covers the time period extending from September 1974 to September 2025.
History. Here’s a quick look at some summary statistics calculated on the full sample: the yield averaged 2.52 percent; it hit a peak of 11.24 on 12 February 1975; it hit a trough of -0.37 on 27 July 2016.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-09-19 | 0.747 |
| 2025-09-22 | 0.763 |
| 2025-09-24 | 0.76 |
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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) |
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