Freely Downloadable Data Sets Updated Daily

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 1.12 percent on 9 April 2026, versus 1.11 on the previous day.

Sample. In this daily series, there are 12,546 observations in total. The series covers the time range stretching from September 1974 to April 2026.

History. Here are a few summary statistics we calculated on the entire sample: the yield had a mean of 2.51 percent; it peaked at 11.24 on 12 February 1975; it reached its lowest level of -0.37 on 27 July 2016.

Latest values

Date Value - Percentage points
2026-04-07 1.111
2026-04-08 1.113
2026-04-09 1.123

Suggestion. 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 12546 1974-09-24 2026-04-09
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12833 1974-09-24 2026-04-09
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13118 1974-09-24 2026-04-09
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13194 1974-09-24 2026-04-09
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9833 1986-07-05 2026-04-09
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8492 1991-08-30 2026-04-09
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9720 1986-12-01 2026-04-09
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5399 2004-03-22 2026-04-09
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6517 1999-09-02 2026-04-09
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4505 2007-11-06 2026-04-09