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 0.88 percent on 25 December 2025, compared to 0.86 on the previous day.
Sample. There are 12,478 observations in the daily series presented in the plot above. The time period covered by the series goes from September 1974 to December 2025.
History. Here's a snapshot of some summary statistics computed on the entire sample: the yield registered a minimum of -0.37 percent on 27 July 2016; it peaked at 11.24 on 12 February 1975; it was equal on average to 2.51.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-12-23 | 0.858 |
| 2025-12-24 | 0.859 |
| 2025-12-25 | 0.878 |
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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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