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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 1.10 percent on 31 March 2026, compared to 1.11 on the previous day.

Sample. There are 12,539 records in the daily series displayed in the figure above. The series covers the time range extending from September 1974 to March 2026.

History. Here's a peek at some descriptive statistics we calculated on the full sample: the yield hit a peak of 11.24 percent on 12 February 1975; it recorded a bottom of -0.37 on 27 July 2016; it averaged 2.51.

Latest values

Date Value - Percentage points
2026-03-27 1.105
2026-03-30 1.109
2026-03-31 1.102

Nugget of wisdom. 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 12539 1974-09-24 2026-03-31
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12826 1974-09-24 2026-03-31
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13111 1974-09-24 2026-03-31
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13187 1974-09-24 2026-03-31
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9826 1986-07-05 2026-03-31
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8485 1991-08-30 2026-03-31
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9713 1986-12-01 2026-03-31
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5392 2004-03-22 2026-03-31
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6510 1999-09-02 2026-03-31
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4498 2007-11-06 2026-03-31