Japan 40-Year Government Bond Yield
Daily Japanese Government Bond interest rates by maturity, published by the Ministry of Finance.
Latest value
4.168%
- Date
- 1 day
- +4.3 bp
- Source
- mof.go.jp
Changes
| Period | Change | Compared with |
|---|---|---|
| 1 day | +4.3 bp | 4.125% · 1 Oct 2026 |
| 1 week | +6.3 bp | 4.105% · 25 Sept 2026 |
| 1 month | +3.4 bp | 4.134% · 2 Sept 2026 |
| Year to date | +69.3 bp | 3.475% · 30 Dec 2025 |
| 1 year | +81.5 bp | 3.353% · 2 Oct 2025 |
1-year range: Low 3.297% (30 Oct 2025) · high 4.168% (2 Oct 2026)
1Y change
Oct 1, 2025 – Oct 2, 2026 · Reference: Period start
JP 40Y · 1Y · % · 244 observations (daily). Oct 1, 2025 — Oct 2, 2026. First / last value: 3.335% / 4.168%.
Official end-of-day values; days without a published value are not drawn.
Show last 20 observations in a table
| Date | Yield (%) |
|---|---|
| Sep 2, 2026 | 4.134% |
| Sep 3, 2026 | 4.063% |
| Sep 4, 2026 | 3.966% |
| Sep 7, 2026 | 4.013% |
| Sep 8, 2026 | 3.965% |
| Sep 9, 2026 | 3.960% |
| Sep 10, 2026 | 4.003% |
| Sep 11, 2026 | 4.027% |
| Sep 14, 2026 | 4.040% |
| Sep 15, 2026 | 4.105% |
| Sep 16, 2026 | 4.072% |
| Sep 17, 2026 | 4.036% |
| Sep 18, 2026 | 4.033% |
| Sep 24, 2026 | 4.103% |
| Sep 25, 2026 | 4.105% |
| Sep 28, 2026 | 4.124% |
| Sep 29, 2026 | 4.127% |
| Sep 30, 2026 | 4.099% |
| Oct 1, 2026 | 4.125% |
| Oct 2, 2026 | 4.168% |
About this series
Japan 40-Year Government Bond Yield: the value as published by Ministry of Finance Japan (mof.go.jp). Stored history from 4 Jan 2016.
Each value is stored exactly as the source published it, in percent per annum. A day without a published value, such as a weekend or a holiday, has no value: nothing is filled in, carried forward or interpolated.
For general information only; not investment advice.