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 3.18 percent on 14 May 2026, versus 3.13 on the previous day.
Sample. This daily time series has 8,513 observations in total. The series covers the time range stretching from August 1991 to May 2026.
History. Check out a few simple statistics we calculated on the whole sample: the yield had a mean of 1.87 percent; it peaked at 6.55 on 30 August 1991; it reached a trough of -0.15 on 8 July 2016.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-05-12 | 3.099 |
| 2026-05-13 | 3.128 |
| 2026-05-14 | 3.179 |
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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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