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 3.85 percent on 14 May 2026, versus 3.78 on the previous day.
Sample. There are 6,538 data points overall in the daily time series shown in the chart above. The time range covered by the series is from September 1999 to May 2026.
History. Take a look at some simple statistics computed on the full sample: the yield reached its minimum of 0.04 percent on 6 July 2016; it reached its highest level of 3.85 on 14 May 2026; it had an average value of 1.76.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-05-12 | 3.78 |
| 2026-05-13 | 3.783 |
| 2026-05-14 | 3.852 |
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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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