1-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 1-year government-bond yield was 1.58 percent on 17 September 2026, compared to 1.56 on 16 September.
Sample. There are 12,655 data points in the daily time series displayed in the chart above. The series covers the period going from September 1974 to September 2026.
History. Here's a peek at some summary statistics we calculated on the entire sample: the yield recorded a minimum of -0.37 percent on 27 July 2016; it recorded a maximum of 11.24 on 12 February 1975; it was equal on average to 2.49.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-09-15 | 1.57000 |
| 2026-09-16 | 1.55800 |
| 2026-09-17 | 1.58100 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 1-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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