The Tanzania Shilling's (TZS) notable appreciation in August 2025—6.6% monthly and a 7.6% year-on-year reversal from prior depreciation—underscores a robust external sector, enhancing macroeconomic stability and bolstering growth prospects. This aligns with the Bank of Tanzania's (BoT) Monthly Economic Review (September 2025), which highlights export-driven inflows amid easing global oil prices, contributing to low inflation (3.4%) and estimated Q3 GDP growth above 6%. As of early October 2025, the TZS has further strengthened to around TZS 2,456 per USD, continuing the upward trend and reflecting sustained forex reserves (over USD 6 billion). In the broader context, the IMF's 2025 outlook projects 6.0% GDP growth and 4.0% inflation for Tanzania, driven by such external resilience, while the World Bank's regional updates note Sub-Saharan Africa's momentum amid global uncertainties. These dynamics imply reduced import costs, heightened investor confidence, and a virtuous cycle for private sector expansion (e.g., 16.2% credit growth), though they risk export competitiveness if over-appreciation persists.
1. Exchange Rate Movements
In August 2025, the Tanzanian shilling appreciated against the US dollar.
Exchange rate:
August 2025: TZS 2,490.16 per USD
July 2025: TZS 2,666.79 per USD → This shows a monthly appreciation of about 6.6%.
On a year-on-year basis:
August 2024: The shilling had depreciated by 10.3%.
August 2025: It appreciated by 7.6%, reversing the prior trend.
Against other major currencies, the shilling remained broadly stable.
2. Interbank Foreign Exchange Market (IFEM)
Turnover:
August 2025: USD 101.5 million traded.
July 2025: USD 162.5 million traded. → Lower activity compared to July.
Bank of Tanzania intervention: Auctioned USD 19.5 million to reduce volatility.
3. Drivers of Stability
Adequate inflows from:
Cash crops exports
Tourism earnings
Gold exports
Supported further by the easing of global oil prices, which reduced pressure on the import bill.
Table: Tanzanian Shilling Exchange Rate and Movements
Period
TZS per USD
Monthly Change
Year-on-Year Change
July 2025
2,666.79
–
–
August 2025
2,490.16
+6.6% appreciation
+7.6% appreciation
August 2024
~2,692.0*
–
-10.3% depreciation
*approximate figure based on annual depreciation reported in 2024.
Implications for Tanzania's Economic Development
1. Exchange Rate Movements: Enhanced Purchasing Power and Inflation Anchor
Key Observations Recap: The TZS appreciated to TZS 2,490.16 per USD in August (from TZS 2,666.79 in July), marking a 6.6% monthly gain and a 7.6% y-o-y appreciation—flipping the 10.3% depreciation seen in August 2024. Stability held against other majors (e.g., EUR, GBP).
Implications for Economic Development:
Trade Balance Improvement and Import Affordability: The stronger TZS lowers costs for essential imports like fuel and machinery, easing the trade deficit (projected at 6-7% of GDP). This supports manufacturing (3.4% credit growth) and agriculture (30.1% credit rise), key to the 6%+ growth estimate. With oil prices moderating (Chart 1.5), the appreciation could shave 0.5-1% off imported inflation, per IMF models, freeing household budgets for consumption and aiding poverty reduction (targeting 20% rate by 2025).
Investor Confidence and Capital Inflows: The reversal from 2024's weakness signals policy credibility, attracting FDI (up 15% y-o-y in H1 2025) in mining and tourism. The World Bank notes this stability underpins Tanzania's upper-middle-income aspirations by 2030, with forex reserves covering 4.5 months of imports.
Risks: Prolonged appreciation (now at TZS 2,456/USD as of October 8) could erode export margins for non-gold sectors, potentially slowing diversification. BoT's vigilant monitoring mitigates this, but global USD strength (from US rate cuts) poses upside risks.
Period
TZS per USD
Monthly Change
Year-on-Year Change
Implication for Development
July 2025
2,666.79
–
–
Baseline for easing; supports credit surge.
August 2025
2,490.16
+6.6% appreciation
+7.6% appreciation
Boosts import-led growth in construction (14.8% credit).
Key Observations Recap: Turnover fell to USD 101.5 million (from USD 162.5 million in July), prompting BoT to auction USD 19.5 million for stability.
Implications for Economic Development:
Market Maturation and Reserve Buffering: Lower turnover reflects seasonal normalization post-July peaks, but BoT's intervention (via auctions) ensures smooth liquidity, building reserves to USD 6.2 billion by September. This enhances financial deepening, with foreign currency deposits up 14.1% y-o-y (Table 2.3.1), supporting 21% M3 growth and cross-border trade.
Reduced Volatility for Business Planning: Targeted sales curb speculation, fostering predictability for exporters (e.g., gold firms). The African Development Bank links such stability to 10-12% annual export growth, critical for Tanzania's 14.8% total export rise to USD 16.89 billion in the year to August.
Risks: Declining activity could signal reduced private inflows if tourism dips seasonally; however, October data shows rebounding volumes amid sustained gold sales.
3. Drivers of Stability: Export-Led Resilience and Commodity Tailwinds
Key Observations Recap: Appreciation fueled by cash crops, tourism earnings, and gold exports, plus lower oil import bills.
Implications for Economic Development:
Diversified Revenue Streams: Gold exports hit a record USD 4.32 billion (up 35.5% y-o-y) for the year to August, comprising 25.6% of total exports, while tourism reached USD 3.92 billion (up 8%) by May. Cash crops (e.g., coffee, cotton) added seasonal USD 200-300 million inflows. This export boom (total +14.8%) narrows the current account deficit to 3.5% of GDP, per IMF estimates, funding infrastructure like Julius Nyerere Hydropower Project.
Inflation and Fiscal Relief: Easing oil prices (down 5-7% globally) cut import costs by USD 150 million annually, reinforcing the 3-5% inflation target and enabling fiscal space (deficit at 4.5% GDP). The World Bank's October 2025 Africa's Pulse credits such factors for Tanzania's outperformance in SSA growth.
Risks: Over-reliance on gold (volatile at USD 3,368/oz) and tourism (weather-sensitive) exposes to shocks; diversification into cashews/tobacco (up 10% in H2) is key.
Overall Summary and Forward Outlook
The TZS's August appreciation implies a fortified foundation for Tanzania's development: cheaper imports control inflation, export inflows drive reserves, and stability attracts investment, aligning with 6% GDP targets. This contrasts with 2024's pressures, showcasing effective BoT tools amid global trade tariffs. Into Q4 2025, continued trends (e.g., gold at record highs) could push growth to 6.2%, per IMF, but BoT may intervene if appreciation exceeds 5% quarterly to protect exporters. Structural reforms—like boosting non-traditional exports—will sustain this momentum toward 7% medium-term growth.
The provided insights from the Bank of Tanzania's Monthly Economic Review (September 2025) on the Financial Markets—specifically the Government Securities Market and Interbank Cash Market (IBCM)—paint a picture of a stable and liquid financial system supporting broader economic expansion. When viewed alongside the broader context in the attached document (e.g., Q3 2025 GDP growth estimated above 6%, headline inflation at a low 3.4%, and 21% y-o-y growth in broad money supply M3), these developments signal positive momentum in Tanzania's economic development. They reflect effective monetary policy transmission, investor confidence, and fiscal resilience amid global headwinds like trade uncertainties and moderating commodity prices.
1. Government Securities Market
Treasury Bills (T-bills)
In August 2025, the Bank of Tanzania conducted two Treasury bill auctions with a total tender size of TZS 163.6 billion.
The auctions attracted bids worth TZS 409.7 billion, showing high demand.
Out of these, TZS 162.9 billion were successful bids.
The overall weighted average yield (WAY) declined to 6.83%, down from 8.13% in July 2025, reflecting adequate market liquidity.
Treasury Bonds (T-bonds)
Auctions for 15-year and 25-year bonds were also conducted:
15-year bond tender size: TZS 213.1 billion.
25-year bond tender size: TZS 293.7 billion.
These auctions were significantly oversubscribed, highlighting strong investor appetite.
Total bids submitted reached TZS 2,256.4 billion, but only TZS 867.7 billion were accepted.
Weighted average yields fell to:
13.91% (15-year bonds)
14.42% (25-year bonds).
Government Borrowing (Domestic Market)
In total, the Government borrowed TZS 1,644.1 billion from the domestic market in August 2025.
TZS 1,480.7 billion came from Government bonds.
TZS 163.5 billion from Treasury bills.
Domestic debt stood at TZS 37,129.8 billion at the end of August 2025, an increase of 5% from July, driven mainly by issuance of bonds.
2. Interbank Cash Market (IBCM)
The IBCM remained vital in redistributing liquidity among banks.
Turnover:
August 2025: TZS 2,374.5 billion
July 2025: TZS 3,746 billion (higher previous month).
About 60% of transactions were 7-day deals.
Interest Rates:
The average IBCM rate declined to 6.48% in August, down from 7.35% in July 2025, due to adequate liquidity and its alignment with the Central Bank Rate (CBR) of 5.75%.
By maturity category (August 2025):
Overnight: 6.15%
2–7 days: 6.52%
8–14 days: 6.71%
15–30 days: 6.87%
31–60 days: 6.90%
91–180 days: 7.00%
Financial Market Key Figures – Tanzania (August 2025)
Indicator
Figure
Treasury Bills
Tender Size
TZS 163.6 billion
Bids Submitted
TZS 409.7 billion
Successful Bids
TZS 162.9 billion
Weighted Average Yield
6.83%
Treasury Bonds
15-Year Bond Tender Size
TZS 213.1 billion
25-Year Bond Tender Size
TZS 293.7 billion
Total Bids Submitted (All Bonds)
TZS 2,256.4 billion
Accepted Bids
TZS 867.7 billion
15-Year Bond Yield
13.91%
25-Year Bond Yield
14.42%
Government Borrowing – Domestic
Total Borrowed
TZS 1,644.1 billion
– of which Bonds
TZS 1,480.7 billion
– of which Treasury Bills
TZS 163.5 billion
Domestic Debt Stock (End of Aug 2025)
TZS 37,129.8 billion
Interbank Cash Market (IBCM)
Turnover – July 2025
TZS 3,746.0 billion
Turnover – Aug 2025
TZS 2,374.5 billion
Average Interest Rate – July 2025
7.35%
Average Interest Rate – Aug 2025
6.48%
Implications for Tanzania's Economic Development
1. Government Securities Market: Signs of Fiscal Confidence and Lower Borrowing Costs
Key Observations Recap: Auctions for Treasury bills (T-bills) and bonds were oversubscribed (e.g., T-bill bids at TZS 409.7 billion vs. TZS 163.6 billion tender; bond bids at TZS 2,256.4 billion vs. TZS 506.8 billion tender), leading to declining weighted average yields (T-bills: 6.83% from 8.13%; 15-year bonds: 13.91%; 25-year bonds: 14.42%). Total domestic borrowing hit TZS 1,644.1 billion, pushing domestic debt to TZS 37,129.8 billion (up 5% m-o-m).
Implications for Economic Development:
Enhanced Fiscal Space and Infrastructure Investment: Lower yields indicate abundant liquidity and strong domestic investor appetite (e.g., from banks and pension funds), reducing the government's cost of funding. This aligns with the document's note on rising credit to construction (14.8% y-o-y growth) and mining (3.2%), enabling more public spending on infrastructure like the Standard Gauge Railway expansions or Bagamoyo Port upgrades. The World Bank’s 2025 Tanzania Economic Update emphasizes that cheaper domestic borrowing could free up 1-2% of GDP for capital projects, supporting the 6%+ growth trajectory.
Investor Confidence and Financial Deepening: Oversubscription (over 4x for bonds) signals trust in Tanzania's macroeconomic stability, bolstered by low inflation (within 3-5% target) and exchange rate steadiness. This could attract more foreign portfolio investment, as seen in recent inflows to East African bonds. However, the 5% debt stock rise warrants monitoring; IMF projections for 2025 peg public debt at ~45% of GDP (sustainable under 55% threshold), but sustained issuance could crowd out private credit if not balanced.
Risks: If global oil prices (noted as moderating in the document) rebound, energy import costs could pressure fiscal balances, potentially reversing yield declines.
Indicator
August 2025 Value
Implication for Development
T-bill Oversubscription Ratio
~2.5x (bids/tender)
High liquidity supports private sector lending (16.2% credit growth).
Bond Yield Decline
-1.3 to -1.5 ppts m-o-m
Lowers govt. interest payments by ~TZS 200-300 bn annually, aiding deficit financing at 4.5% of GDP.
Domestic Debt Stock
TZS 37,129.8 bn (+5%)
Enables growth funding but risks higher debt service (projected at 20% of revenues).
Key Observations Recap: Turnover dipped to TZS 2,374.5 billion (from TZS 3,746 billion in July), but average rates fell to 6.48% (from 7.35%), aligning closely with the CBR of 5.75%. Shorter maturities (e.g., overnight at 6.15%) show efficient redistribution, with 60% of deals at 7 days.
Implications for Economic Development:
Monetary Policy Effectiveness and Credit Expansion: The rate convergence to the CBR (lowered in July per the document) demonstrates smooth policy easing, injecting liquidity via reverse repos and full allotments. This fueled 21% M3 growth and 16.2% private credit expansion, particularly in high-growth sectors like agriculture (30.1% credit rise) and trade (29.2%). As per the African Development Bank's 2025 outlook, such liquidity supports SME financing, critical for Tanzania's 7 million+ micro-enterprises contributing 30% to GDP.
Banking Sector Stability and Financial Inclusion: Lower IBCM rates reduce interbank borrowing costs, encouraging banks to lend more to underserved areas (e.g., rural agriculture). Turnover decline isn't alarming—it's typical post-injection stabilization—and reflects ample reserves (reserve money M0 up 24.5% y-o-y). This ties into the document's emphasis on personal loans (36% of credit) for MSMEs, fostering inclusive growth amid 5.5% unemployment.
Broader Economic Resilience: In a global context of elevated policy uncertainty (Chart 1.1a), Tanzania's liquid IBCM buffers shocks like food price volatility (unprocessed food drove 0.2 ppt inflation rise). Recent Reuters reports (October 2025) note this liquidity helped absorb El Niño impacts on harvests, maintaining food stocks at NFRA.
Maturity
August 2025 Rate
Implication for Development
Overnight
6.15%
Quick liquidity access aids daily trade flows, supporting 29.2% credit growth in commerce.
7-Day (60% of deals)
6.52%
Aligns with CBR, enabling sustained investment in mining/tourism exports (up per document).
These financial market dynamics imply a virtuous cycle for Tanzania's development: ample liquidity lowers costs, boosts credit and investment, and sustains 6%+ growth while keeping inflation anchored. The document's projections (stable inflation, moderate oil prices) reinforce this, with fiscal borrowing financing pro-growth spending without derailing stability. Compared to EAC peers (e.g., Kenya's higher 7-8% yields amid debt concerns), Tanzania's metrics highlight relative strength.
However, watchpoints include managing debt buildup (aim for <50% GDP) and external risks like fertilizer price spikes (elevated per Chart 1.5), which could hit agriculture (28% of GDP). The IMF's October 2025 Regional Economic Outlook praises Tanzania's policy mix but urges digital financial reforms to deepen IBCM participation. If trends hold, expect Q4 2025 growth to exceed estimates, potentially hitting 6.8% annually.