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 was 3.77 percent on 22 June 2026, versus 3.74 on 19 June 2026.
Sample. There are 4,553 records overall in the daily series shown in the figure above. The time range covered by the series goes from November 2007 to June 2026.
History. Here's a peek at some summary statistics we computed on the entire sample: the yield reached a maximum of 4.04 percent on 19 May 2026; it recorded a minimum of 0.07 on 6 July 2016; it had a mean of 1.66.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-06-18 | 3.68 |
| 2026-06-19 | 3.741 |
| 2026-06-22 | 3.767 |
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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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