40-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 40-year government-bond yield stood at 3.87 percent on 14 May 2026, compared to 3.81 on the previous day.
Sample. In this daily series, there are 4,526 data points. The span of time covered by the series is from November 2007 to May 2026.
History. Check out some simple statistics we computed on the full sample: the yield attained a maximum of 3.90 percent on 20 January 2026; it hit a minimum of 0.07 on 6 July 2016; it was equal on average to 1.64.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-05-12 | 3.815 |
| 2026-05-13 | 3.806 |
| 2026-05-14 | 3.868 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 40-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
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