15-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 15-year government-bond yield was 2.22 percent on 24 September 2025, compared to 2.24 on 22 September.
Sample. There are 8,361 records in the daily series displayed in the chart above. The period covered by the series stretches from August 1991 to September 2025.
History. Here are some simple statistics we computed on the full sample: the yield was equal on average to 1.86 percent; it recorded its maximum of 6.55 on 30 August 1991; it hit a minimum of -0.15 on 8 July 2016.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-09-19 | 2.231 |
| 2025-09-22 | 2.244 |
| 2025-09-24 | 2.219 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 15-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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