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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 2.00 percent on 13 August 2026, versus 1.99 on 12 August.

Sample. There are 13,278 observations overall in the daily time series shown in the plot above. The time span covered by the series is from September 1974 to August 2026.

History. Have a look at a few summary statistics calculated on the whole sample: the yield recorded a bottom of -0.38 percent on 25 September 2019; it reached a maximum of 10.56 on 5 April 1980; it had an average value of 2.98.

Latest values

Date Value - Percentage points
2026-08-10 1.956
2026-08-12 1.99
2026-08-13 2.005

Suggestion. 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 12630 1974-09-24 2026-08-13
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12917 1974-09-24 2026-08-13
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13202 1974-09-24 2026-08-13
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13278 1974-09-24 2026-08-13
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13278 1974-09-24 2026-08-13
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13278 1974-09-24 2026-08-13
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13278 1974-09-24 2026-08-13
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13278 1974-09-24 2026-08-13
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13278 1974-09-24 2026-08-13
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9917 1986-07-05 2026-08-13
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8576 1991-08-30 2026-08-13
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9804 1986-12-01 2026-08-13
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5483 2004-03-22 2026-08-13
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6601 1999-09-02 2026-08-13
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4589 2007-11-06 2026-08-13