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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 3.89 percent on 29 September 2026, unchanged with respect to 28 September.

Sample. There are 9,834 observations overall in the daily time series presented in the chart above. The series covers the time period extending from December 1986 to September 2026.

History. Here are some descriptive statistics we calculated on the whole sample: the yield was equal on average to 2.59 percent; it reached a trough of 0.02 on 6 July 2016; it recorded its maximum of 7.75 on 26 September 1990.

Latest values

Date Value - Percentage points
2026-09-25 3.883
2026-09-28 3.888
2026-09-29 3.887

Nugget of wisdom. 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 12660 1974-09-24 2026-09-29
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12947 1974-09-24 2026-09-29
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13232 1974-09-24 2026-09-29
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13308 1974-09-24 2026-09-29
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9947 1986-07-05 2026-09-29
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8606 1991-08-30 2026-09-29
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9834 1986-12-01 2026-09-29
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5513 2004-03-22 2026-09-29
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6631 1999-09-02 2026-09-29
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4619 2007-11-06 2026-09-29