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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 2.94 percent on 9 April 2026, compared to 2.92 on 8 April.

Sample. In the daily series plotted above, there are 8,492 data points overall. The time period covered by the series extends from August 1991 to April 2026.

History. Here are a few summary statistics computed on the entire sample: the yield had an average value of 1.87 percent; it hit a peak of 6.55 on 30 August 1991; it recorded a minimum of -0.15 on 8 July 2016.

Latest values

Date Value - Percentage points
2026-04-07 2.966
2026-04-08 2.92
2026-04-09 2.941

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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 12546 1974-09-24 2026-04-09
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12833 1974-09-24 2026-04-09
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13118 1974-09-24 2026-04-09
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9833 1986-07-05 2026-04-09
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8492 1991-08-30 2026-04-09
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9720 1986-12-01 2026-04-09
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5399 2004-03-22 2026-04-09
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6517 1999-09-02 2026-04-09
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4505 2007-11-06 2026-04-09