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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 1.80 percent on 14 May 2026, versus 1.79 on the previous day.

Sample. There are 13,215 observations in the daily series shown in the plot above. The series covers the period extending from September 1974 to May 2026.

History. Here’s a quick look at some statistics we calculated on the entire sample: the yield reached its minimum of -0.38 percent on 25 September 2019; it hit a peak of 10.56 on 5 April 1980; it had a mean of 2.98.

Latest values

Date Value - Percentage points
2026-05-12 1.78
2026-05-13 1.789
2026-05-14 1.8

Hint. 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 12567 1974-09-24 2026-05-14
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12854 1974-09-24 2026-05-14
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13139 1974-09-24 2026-05-14
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13215 1974-09-24 2026-05-14
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13215 1974-09-24 2026-05-14
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13215 1974-09-24 2026-05-14
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13215 1974-09-24 2026-05-14
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13215 1974-09-24 2026-05-14
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13215 1974-09-24 2026-05-14
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9854 1986-07-05 2026-05-14
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8513 1991-08-30 2026-05-14
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9741 1986-12-01 2026-05-14
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5420 2004-03-22 2026-05-14
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6538 1999-09-02 2026-05-14
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4526 2007-11-06 2026-05-14