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 stood at 3.62 percent on 9 April 2026, unchanged with respect to 8 April 2026.
Sample. In the daily time series shown in the plot, there are 6,517 data points overall. The span of time covered by the series goes from September 1999 to April 2026.
History. Here's a snapshot of some simple statistics calculated on the whole sample: the yield averaged 1.76 percent; it hit a trough of 0.04 on 6 July 2016; it hit a peak of 3.77 on 20 January 2026.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-04-07 | 3.667 |
| 2026-04-08 | 3.615 |
| 2026-04-09 | 3.619 |
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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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