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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 was 3.59 percent on 31 March 2026, compared to 3.64 on 30 March.

Sample. The daily time series presented in the plot has 5,392 records overall. The time range covered by the series extends from March 2004 to March 2026.

History. Here’s a quick look at a few summary statistics we calculated on the whole sample: the yield reached a minimum of 0.04 percent on 6 July 2016; it recorded a maximum of 3.69 on 20 January 2026; it had a mean value of 1.58.

Latest values

Date Value - Percentage points
2026-03-27 3.574
2026-03-30 3.637
2026-03-31 3.589

Tip. A plus of using FetchSeries is that we publish well-crafted metadata. Check it below to better understand the characteristics of the time series that you use in your research.

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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 12539 1974-09-24 2026-03-31
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12826 1974-09-24 2026-03-31
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13111 1974-09-24 2026-03-31
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9826 1986-07-05 2026-03-31
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8485 1991-08-30 2026-03-31
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9713 1986-12-01 2026-03-31
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5392 2004-03-22 2026-03-31
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6510 1999-09-02 2026-03-31
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4498 2007-11-06 2026-03-31