30-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 30-year government-bond yield was 3.41 percent on 12 February 2026, compared to 3.47 on 10 February 2026.
Sample. There are 6,479 data points in the daily series displayed in the graph above. The period covered by the series extends from September 1999 to February 2026.
History. Take a look at some statistics we computed on the whole sample: the yield hit a maximum of 3.77 percent on 20 January 2026; it reached a minimum of 0.04 on 6 July 2016; it was equal on average to 1.75.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-02-09 | 3.52 |
| 2026-02-10 | 3.468 |
| 2026-02-12 | 3.413 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 30-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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