4-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 4-year government-bond yield stood at 1.16 percent on 30 September 2025, versus 1.14 on the previous day.
Sample. There are 13,067 observations overall in the daily series presented in the figure above. The series covers the time span extending from September 1974 to September 2025.
History. Have a look at some simple statistics we calculated on the whole sample: the yield peaked at 10.56 percent on 5 April 1980; it reached a trough of -0.38 on 25 September 2019; it averaged 3.00.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-09-26 | 1.145 |
| 2025-09-29 | 1.144 |
| 2025-09-30 | 1.155 |
Suggestion. One of the pros of our data visualization and download service is that we provide accurate metadata. Check it below to learn more about the characteristics of the time series that you are exploring.
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Series Metadata
| Field | Value |
|---|---|
| Description | 4-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) |