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 2.30 percent on 29 September 2026, versus 2.31 on the previous day.
Sample. In this daily time series, there are 13,308 observations. The time span covered by the series goes from September 1974 to September 2026.
History. Take a look at a few statistics we computed on the full sample: the yield had a mean value of 2.98 percent; it reached its minimum of -0.38 on 25 September 2019; it recorded its highest level of 10.56 on 5 April 1980.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-09-25 | 2.287 |
| 2026-09-28 | 2.311 |
| 2026-09-29 | 2.302 |
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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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