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 3.43 percent on 13 August 2026, compared to 3.41 on 12 August 2026.
Sample. There are 8,576 observations in the daily series displayed in the graph above. The series covers the time period going from August 1991 to August 2026.
History. Take a look at a few simple statistics we calculated on the whole sample: the yield had a mean of 1.88 percent; it recorded its highest level of 6.55 on 30 August 1991; it recorded a minimum of -0.15 on 8 July 2016.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-08-10 | 3.38 |
| 2026-08-12 | 3.414 |
| 2026-08-13 | 3.427 |
Heads-up. One of the advantages of our data visualization and download service is that we publish accurate metadata. Check it below to gain insights on the attributes of the time series that you analyze.
Not for investment purposes. Any financial data distributed on FetchSeries are not suitable for investment purposes or as a basis for financial-decision making. Users should ask for expert advice and do their own independent due diligence before making any financial commitments.
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) |
Series in the same data set
Discover the other time series included in this data set.