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

Latest updates. In Japan, the 30-year government-bond yield stood at 3.97 percent on 12 November 2026, compared to 3.99 on the previous day.

Sample. There are 6,661 data points in the daily time series presented in the graph above. The time period covered by the series goes from September 1999 to November 2026.

History. Here's a glimpse of a few simple statistics we calculated on the full sample: the yield had an average value of 1.80 percent; it reached its lowest level of 0.04 percent on 6 July 2016; it reached its highest level of 4.17 percent on 6 October 2026.

Latest values

Date Value - Percentage points
2026-11-10 3.93500
2026-11-11 3.99000
2026-11-12 3.97400

Hint. We categorize time series into data sets and worksheets to make your life easier. When you look below, you will discover how we arranged further information linked to the statistics provided here.

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Series Metadata

Field Value
Description 30-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 12690 1974-09-24 2026-11-12
2-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 12977 1974-09-24 2026-11-12
3-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13262 1974-09-24 2026-11-12
4-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13338 1974-09-24 2026-11-12
5-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13338 1974-09-24 2026-11-12
6-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13338 1974-09-24 2026-11-12
7-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13338 1974-09-24 2026-11-12
8-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13338 1974-09-24 2026-11-12
9-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 13338 1974-09-24 2026-11-12
10-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9977 1986-07-05 2026-11-12
15-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 8636 1991-08-30 2026-11-12
20-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 9864 1986-12-01 2026-11-12
25-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 5543 2004-03-22 2026-11-12
30-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 6661 1999-09-02 2026-11-12
40-year yield on government bonds (percentage points; constant maturity; nominal) - Japan - Ministry of Finance - Daily 4649 2007-11-06 2026-11-12