6M sovereign yield
4.27%
Official BoT fitted-curve point.
As at · Source: Bank of Tanzania
Government securities · official term structure
Start with BoT’s same-date daily sovereign curve, then read primary-auction evidence on its separate clocks. No auction observation is blended into the fitted curve.
As at · Source: Bank of Tanzania
6M sovereign yield
4.27%
Official BoT fitted-curve point.
As at · Source: Bank of Tanzania
2Y sovereign yield
8.42%
Official BoT fitted-curve point.
As at · Source: Bank of Tanzania
10Y sovereign yield
11.81%
Official BoT fitted-curve point.
As at · Source: Bank of Tanzania
25Y sovereign yield
11.51%
Official BoT fitted-curve point.
As at · Source: Bank of Tanzania
How does the official term structure move from six months to 25 years?
As at 17 Sep 2026 · Source: Bank of Tanzania. Exact values and method remain in the static evidence table below.
| Maturity | Official yield |
|---|---|
| 6M | 4.2733 % |
| 1Y | 6.0055 % |
| 1.5Y | 7.3611 % |
| 2Y | 8.4194 % |
| 2.5Y | 9.2436 % |
| 3Y | 9.8833 % |
| 3.5Y | 10.3778 % |
| 4Y | 10.7583 % |
| 4.5Y | 11.0493 % |
| 5Y | 11.2702 % |
| 5.5Y | 11.4363 % |
| 6Y | 11.5596 % |
| 6.5Y | 11.6497 % |
| 7Y | 11.714 % |
| 7.5Y | 11.7583 % |
| 8Y | 11.7874 % |
| 8.5Y | 11.8047 % |
| 9Y | 11.8131 % |
| 9.5Y | 11.8149 % |
| 10Y | 11.8117 % |
| 10.5Y | 11.8048 % |
| 11Y | 11.7953 % |
| 11.5Y | 11.784 % |
| 12Y | 11.7715 % |
| 12.5Y | 11.7583 % |
| 13Y | 11.7446 % |
| 13.5Y | 11.7308 % |
| 14Y | 11.7171 % |
| 14.5Y | 11.7036 % |
| 15Y | 11.6903 % |
| 15.5Y | 11.6775 % |
| 16Y | 11.665 % |
| 16.5Y | 11.653 % |
| 17Y | 11.6415 % |
| 17.5Y | 11.6304 % |
| 18Y | 11.6197 % |
| 18.5Y | 11.6095 % |
| 19Y | 11.5998 % |
| 19.5Y | 11.5904 % |
| 20Y | 11.5815 % |
| 20.5Y | 11.5729 % |
| 21Y | 11.5648 % |
| 21.5Y | 11.5569 % |
| 22Y | 11.5494 % |
| 22.5Y | 11.5422 % |
| 23Y | 11.5353 % |
| 23.5Y | 11.5286 % |
| 24Y | 11.5223 % |
| 24.5Y | 11.5162 % |
| 25Y | 11.5103 % |
The curve rises by about 724 bp from 6M to 25Y. The increase is about 339 bp from 2Y to 10Y, then -30 bp from 10Y to 25Y. This describes the published shape; it is not a forecast or investment recommendation.
Primary-auction evidence · separate clock
The weighted-average Treasury-bill yields and latest bond results below come from their own dated auctions. The daily fitted curve above does not overwrite them.
35-day Treasury bill
2.29%
Weighted-average yield at auction 1206.
As at · Source: Bank of Tanzania
91-day Treasury bill
3.42%
Weighted-average yield at auction 1206.
As at · Source: Bank of Tanzania
182-day Treasury bill
4.92%
Weighted-average yield at auction 1206.
As at · Source: Bank of Tanzania
364-day Treasury bill
6.47%
Weighted-average yield at auction 1206.
As at · Source: Bank of Tanzania
What shape did the latest Treasury-bill auction print?
As at 9 Sep 2026 · Source: Bank of Tanzania. Exact values and method remain in the static evidence table below.
Which Treasury-bill tenors changed between the latest two complete auctions?
As at 9 Sep 2026 · Source: Bank of Tanzania. Exact values and method remain in the static evidence table below.
Have bill tenors moved together from auction to auction?
As at 9 Sep 2026 · Source: Bank of Tanzania. Exact values and method remain in the static evidence table below.
What is the latest available sovereign bond curve?
As at 16 Sep 2026 · Source: Bank of Tanzania. Exact values and method remain in the static evidence table below.
Flagship investigation
The investigation separates the current print, the tenor change and the long history before adding interpretation.
Read the public investigation →