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

Latest updates. In Japan, the 1-year government-bond yield was 0.88 percent on 25 December 2025, compared to 0.86 on the previous day.

Sample. There are 12,478 observations in the daily series presented in the plot above. The time period covered by the series goes from September 1974 to December 2025.

History. Here's a snapshot of some summary statistics computed on the entire sample: the yield registered a minimum of -0.37 percent on 27 July 2016; it peaked at 11.24 on 12 February 1975; it was equal on average to 2.51.

Latest values

Date Value - Percentage points
2025-12-23 0.858
2025-12-24 0.859
2025-12-25 0.878

Tip. To simplify research, we group series into worksheets and datasets. If you look below, you will find how we arranged further information related to the statistics provided here.

Not for investment purposes. Data available on FetchSeries are not meant for investment purposes or any other financial decision. Users should ask for professional advice and do independent analysis before making any financial commitments.

Series Metadata

Field Value
Description 1-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 12478 1974-09-24 2025-12-25
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12765 1974-09-24 2025-12-25
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13050 1974-09-24 2025-12-25
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13126 1974-09-24 2025-12-25
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9765 1986-07-05 2025-12-25
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8424 1991-08-30 2025-12-25
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9652 1986-12-01 2025-12-25
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5331 2004-03-22 2025-12-25
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6449 1999-09-02 2025-12-25
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4437 2007-11-06 2025-12-25