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

Latest updates. In Japan, the 15-year government-bond yield was 2.59 percent on 25 December 2025, unchanged with respect to 24 December 2025.

Sample. This daily series has 8,424 records overall. The time range covered by the series extends from August 1991 to December 2025.

History. Here are a few simple statistics we calculated on the full sample: the yield attained a maximum of 6.55 percent on 30 August 1991; it reached its lowest level of -0.15 on 8 July 2016; it had an average value of 1.86.

Latest values

Date Value - Percentage points
2025-12-23 2.586
2025-12-24 2.591
2025-12-25 2.592

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Series Metadata

Field Value
Description 15-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 12478 1974-09-24 2025-12-25
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12765 1974-09-24 2025-12-25
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13050 1974-09-24 2025-12-25
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9765 1986-07-05 2025-12-25
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8424 1991-08-30 2025-12-25
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9652 1986-12-01 2025-12-25
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5331 2004-03-22 2025-12-25
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6449 1999-09-02 2025-12-25
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4437 2007-11-06 2025-12-25