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 3.53 percent on 17 September 2026, compared to 3.54 on 16 September 2026.
Sample. There are 8,601 data points overall in the daily series presented in the chart above. The series covers the span of time extending from August 1991 to September 2026.
History. Take a look at some simple statistics calculated on the whole sample: the yield had a mean value of 1.89 percent; it reached its minimum of -0.15 on 8 July 2016; it reached its highest level of 6.55 on 30 August 1991.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-09-15 | 3.57200 |
| 2026-09-16 | 3.54500 |
| 2026-09-17 | 3.53400 |
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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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