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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 1.14 percent on 24 September 2025, as on 22 September.

Sample. The daily time series displayed in the figure has 13,063 data points. The time span covered by the series stretches from September 1974 to September 2025.

History. Take a look at a few statistics we computed on the entire sample: the yield hit a maximum of 10.56 percent on 5 April 1980; it reached a minimum of -0.38 on 25 September 2019; it had a mean value of 3.00.

Latest values

Date Value - Percentage points
2025-09-19 1.122
2025-09-22 1.142
2025-09-24 1.138

Hint. We organize time series into worksheets and datasets to make our users' life easier. By moving down the page, you will find how we structured further information related to the statistics found here.

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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 12415 1974-09-24 2025-09-24
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12702 1974-09-24 2025-09-24
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12987 1974-09-24 2025-09-24
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13063 1974-09-24 2025-09-24
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13063 1974-09-24 2025-09-24
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13063 1974-09-24 2025-09-24
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13063 1974-09-24 2025-09-24
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13063 1974-09-24 2025-09-24
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13063 1974-09-24 2025-09-24
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9702 1986-07-05 2025-09-24
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8361 1991-08-30 2025-09-24
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9589 1986-12-01 2025-09-24
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5268 2004-03-22 2025-09-24
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6386 1999-09-02 2025-09-24
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4374 2007-11-06 2025-09-24