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

Latest updates. In Japan, the 20-year government-bond yield was 3.74 percent on 13 August 2026, compared to 3.73 on the previous day.

Sample. This daily time series has 9,804 records overall. The series covers the time span stretching from December 1986 to August 2026.

History. Have a look at some simple statistics calculated on the entire sample: the yield had an average value of 2.59 percent; it reached its lowest level of 0.02 on 6 July 2016; it peaked at 7.75 on 26 September 1990.

Latest values

Date Value - Percentage points
2026-08-10 3.696
2026-08-12 3.725
2026-08-13 3.741

Suggestion. To facilitate exploration, we categorize series into data sets and worksheets. If you look below, you will discover how we structured further material related to the statistics provided here.

Not for investment purposes. Any data released on FetchSeries are not meant for investment purposes or other financial decisions. Users should obtain expert advice and do their own independent due diligence before taking any financial risk.

Series Metadata

Field Value
Description 20-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