20-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 20-year government-bond yield was 3.89 percent on 29 September 2026, unchanged with respect to 28 September.
Sample. There are 9,834 observations overall in the daily time series presented in the chart above. The series covers the time period extending from December 1986 to September 2026.
History. Here are some descriptive statistics we calculated on the whole sample: the yield was equal on average to 2.59 percent; it reached a trough of 0.02 on 6 July 2016; it recorded its maximum of 7.75 on 26 September 1990.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-09-25 | 3.883 |
| 2026-09-28 | 3.888 |
| 2026-09-29 | 3.887 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 20-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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