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 was 1.42 percent on 25 December 2025, versus 1.39 on 24 December.
Sample. This daily time series has 13,126 observations. The series covers the time span extending from September 1974 to December 2025.
History. Here's a glimpse of a few simple statistics we computed on the entire sample: the yield was equal on average to 2.99 percent; it reached a maximum of 10.56 on 5 April 1980; it reached its lowest level of -0.38 on 25 September 2019.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-12-23 | 1.386 |
| 2025-12-24 | 1.386 |
| 2025-12-25 | 1.415 |
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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) |
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