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25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily

Latest updates. In Japan, the 25-year government-bond yield stood at 4.14 percent on 29 September 2026, compared to 4.15 on 28 September 2026.

Sample. There are 5,513 observations overall in the daily time series shown in the figure above. The time period covered by the series is from March 2004 to September 2026.

History. Take a look at some summary statistics we computed on the full sample: the yield had an average value of 1.63 percent; it hit a maximum of 4.15 on 28 September 2026; it reached its lowest level of 0.04 on 6 July 2016.

Latest values

Date Value - Percentage points
2026-09-25 4.143
2026-09-28 4.149
2026-09-29 4.144

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Series Metadata

Field Value
Description 25-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

Discover the other time series included in this data set.

Nominal yields

Series Name Observations Start Date End Date
1-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12660 1974-09-24 2026-09-29
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12947 1974-09-24 2026-09-29
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13232 1974-09-24 2026-09-29
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9947 1986-07-05 2026-09-29
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8606 1991-08-30 2026-09-29
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9834 1986-12-01 2026-09-29
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5513 2004-03-22 2026-09-29
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6631 1999-09-02 2026-09-29
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4619 2007-11-06 2026-09-29