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

Latest updates. In Japan, the 4-year government-bond yield was 1.59 percent on 12 February 2026, compared to 1.58 on 10 February.

Sample. There are 13,156 data points overall in the daily time series displayed in the figure above. The time span covered by the series goes from September 1974 to February 2026.

History. Here’s a quick look at some simple statistics we calculated on the whole sample: the yield was equal on average to 2.99 percent; it recorded a bottom of -0.38 on 25 September 2019; it reached a maximum of 10.56 on 5 April 1980.

Latest values

Date Value - Percentage points
2026-02-09 1.614
2026-02-10 1.585
2026-02-12 1.589

Nugget of wisdom. One of the pros of our data visualization and download service is that we provide accurate metadata. Check it below to learn more about the characteristics of the time series that you are exploring.

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Series Metadata

Field Value
Description 4-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 12508 1974-09-24 2026-02-12
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12795 1974-09-24 2026-02-12
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13080 1974-09-24 2026-02-12
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13156 1974-09-24 2026-02-12
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13156 1974-09-24 2026-02-12
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13156 1974-09-24 2026-02-12
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13156 1974-09-24 2026-02-12
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13156 1974-09-24 2026-02-12
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13156 1974-09-24 2026-02-12
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9795 1986-07-05 2026-02-12
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8454 1991-08-30 2026-02-12
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9682 1986-12-01 2026-02-12
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5361 2004-03-22 2026-02-12
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6479 1999-09-02 2026-02-12
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4467 2007-11-06 2026-02-12