The TZS–Debt Nexus: Why It Matters for Tanzania
A currency's stability is not determined by debt alone — but debt composition, foreign currency exposure, and reserve adequacy are critical determinants of exchange rate risk. Tanzania's unique gold export buffer and prudent monetary policy have so far kept the shilling stable despite a rising debt stock.
Headline Finding: Despite total national debt reaching USD 50.5 billion (TZS 130.0 trillion), the Tanzania shilling strengthened by TZS 67 per dollar year-on-year (from TZS 2,650 in March 2025 to TZS 2,583 in March 2026). The primary driver is Tanzania's gold export boom — USD 5.22 billion in the year to March 2026 — which generated sufficient foreign exchange to offset rising import costs and debt service payments.
Tanzania Shilling (TZS) Performance — 2018 to 2026
The TZS has defied regional trends by appreciating in 2026 — a rare outcome for a sub-Saharan African currency amid global commodity shocks. Understanding the drivers behind this is essential for investors and importers operating in Tanzania.
TZS/USD Exchange Rate — Monthly Weighted Average
March 2025 – March 2026
Annual Average TZS/USD Exchange Rate
2018 – 2025 (Annual Average) and Mar-26
TZS/USD Exchange Rate — Monthly End-of-Period Rates (2025–2026)
The shilling staged a broad appreciation from a peak of TZS 2,686 per USD (May-25) to TZS 2,577 per USD by March 2026 — a gain of TZS 109 per dollar over 10 months, representing a 4.1% strengthening from peak to latest reading.
| Period | End-Period TZS/USD | MoM Change (TZS) | MoM Change (%) | Direction |
|---|---|---|---|---|
| Mar-25 | 2,650.0 | — | — | Base |
| Apr-25 | 2,679.2 | +29.2 | +1.10% | ⬇ Weaker |
| May-25 | 2,685.6 | +6.4 | +0.24% | ⬇ Weaker |
| Jun-25 | 2,604.6 | −81.0 | −3.02% | ⬆ Stronger |
| Jul-25 | 2,545.8 | −58.8 | −2.26% | ⬆ Stronger |
| Aug-25 | 2,463.3 | −82.5 | −3.24% | ⬆ Stronger |
| Sep-25 | 2,442.8 | −20.5 | −0.83% | ⬆ Stronger |
| Oct-25 | 2,451.6 | +8.8 | +0.36% | ⬇ Slight |
| Nov-25 | 2,436.8 | −14.8 | −0.60% | ⬆ Stronger |
| Dec-25 | 2,447.5 | +10.7 | +0.44% | ⬇ Slight |
| Jan-26 | 2,518.1 | +70.6 | +2.89% | ⬇ Weaker |
| Feb-26 | 2,542.5 | +24.4 | +0.97% | ⬇ Weaker |
| Mar-26 | 2,577.4 | +34.9 | +1.37% | ⬇ Slight |
| YoY Change (Mar-25 → Mar-26) | −72.6 TZS/USD | End-period basis | −2.74% (appreciation) | ⬆ Net Stronger |
TZS Appreciation Drivers: The shilling's net 2.52%–2.74% appreciation in 2025–26 is primarily attributable to: (1) Gold export revenues surging to USD 5,222.8 million (year to Mar-26, +38.5% YoY), generating large forex inflows; (2) Bank of Tanzania's active reserve management — reserves grew to USD 6,084.4M providing a robust buffer; (3) BOT's net sales declining from USD 128.8M (Feb-26) to just USD 65M (Mar-26), signalling reduced market pressure; and (4) EWURA's transparent fuel pricing preventing speculative attacks on the currency.
Total National Debt — TZS Equivalent Trajectory
Tanzania's total national debt reached USD 50,457.5 million (TZS 130.0 trillion at March 2026 exchange rates). While the USD figure declined 1.2% month-on-month, the shilling-equivalent burden is shaped by exchange rate movements — a stronger TZS reduces the local-currency cost of external debt.
Total National Debt Stock — Monthly Trend
March 2025 – March 2026 (USD Million)
Domestic Debt Stock — 8-Year Growth (TZS Billions)
March 2018 – March 2026
National Debt — Monthly Summary Table (USD Million and TZS Equivalent)
By converting external debt using prevailing end-period exchange rates, we can track the real TZS burden of Tanzania's national debt over time. Note how the stronger shilling in mid-2025 reduced the TZS equivalent of external debt even as the USD stock grew.
| Period | External Debt (USD M) | Domestic Debt (TZS B) | TZS/USD (End) | Ext. Debt (TZS T) | Total Debt (USD M) | Total (TZS T, Approx.) |
|---|---|---|---|---|---|---|
| Mar-25 | 33,284.3 | 34,255.4 | 2,650.0 | 88.2 | 46,210.9 | 122.5 |
| Apr-25 | 33,764.5 | — | 2,679.2 | 90.5 | 46,738.5 | 125.2 |
| May-25 | 33,586.1 | — | 2,685.6 | 90.2 | 46,805.9 | 125.7 |
| Jun-25 | 34,765.3 | — | 2,604.6 | 90.5 | 48,396.3 | 126.0 |
| Jul-25 | 35,180.1 | — | 2,545.8 | 89.5 | 49,066.3 | 124.9 |
| Aug-25 | 35,012.6 | — | 2,463.3 | 86.2 | 50,159.0 | 123.5 |
| Sep-25 | 35,642.2 | — | 2,442.8 | 87.1 | 51,050.1 | 124.7 |
| Oct-25 | 36,033.7 | — | 2,451.6 | 88.3 | 51,653.8 | 126.6 |
| Nov-25 | 35,125.7 | — | 2,436.8 | 85.6 | 50,868.2 | 123.9 |
| Dec-25 | 35,528.8 | — | 2,447.5 | 86.9 | 51,013.8 | 124.9 |
| Jan-26 | 35,891.9 | — | 2,518.1 | 90.4 | 51,221.0 | 129.0 |
| Feb-26 | 35,824.7 | 38,781.7 | 2,542.5 | 91.1 | 51,078.3 | 129.7 |
| Mar-26 | 35,540.2 | 38,447.9 | 2,577.4 | 91.6 | 50,457.5 | 130.0 |
| YoY Change (Mar-25→Mar-26) | +6.8% external | +12.2% domestic | −2.74% TZS stronger | +3.9% TZS ext. | +9.2% total USD | +6.1% TZS total |
External Debt — Structure, Creditors & Currency Exposure
Tanzania's external debt reached USD 35,540.2 million (TZS 91.6 trillion) at end-March 2026 — a 0.8% monthly decline from USD 35,824.7 million. Of this, 82.7% is public debt, while 17.3% is private sector external borrowing. The US dollar dominates at 66.7% of total currency composition.
External Debt by Creditor Category (Mar-26)
USD Million & % share
External Debt Currency Composition — Trend
Mar-25, Feb-26, Mar-26 (% share)
External Debt by Borrower — March 2025, February & March 2026
| Borrower Category | Mar-25 (USD M) | Share % | Feb-26 (USD M) | Share % | Mar-26 (USD M) | Share % | TZS Equiv. (T) |
|---|---|---|---|---|---|---|---|
| Central Government | 26,789.5 | 80.5% | 29,684.8 | 82.9% | 29,398.5 | 82.7% | TZS 75.8T |
| — of which: DOD | 26,712.0 | 80.3% | 29,604.6 | 82.6% | 29,318.6 | 82.5% | TZS 75.6T |
| — Interest Arrears | 77.5 | 0.2% | 80.2 | 0.2% | 80.0 | 0.2% | TZS 0.2T |
| Private Sector | 6,491.0 | 19.5% | 6,139.9 | 17.1% | 6,141.7 | 17.3% | TZS 15.8T |
| Public Corporations | 3.8 | 0.0% | 0.0 | 0.0% | 0.0 | 0.0% | TZS 0.0T |
| Total External Debt | 33,284.3 | 100% | 35,824.7 | 100% | 35,540.2 | 100% | TZS 91.6T |
External Debt by Creditor — Composition & Trend
| Creditor | Mar-25 (USD M) | Share | Feb-26 (USD M) | Mar-26 (USD M) | Share | TZS Equiv. (T) | YoY Change |
|---|---|---|---|---|---|---|---|
| Multilateral | 18,634.0 | 56.0% | 20,773.0 | 20,543.5 | 57.8% | TZS 52.9T | +10.2% |
| Commercial Lenders | 12,117.8 | 36.4% | 12,741.7 | 12,717.2 | 35.8% | TZS 32.8T | +4.9% |
| Bilateral | 1,405.1 | 4.2% | 1,581.5 | 1,551.5 | 4.4% | TZS 4.0T | +10.4% |
| Export Credit | 1,127.4 | 3.4% | 728.6 | 728.0 | 2.0% | TZS 1.9T | −35.4% |
| Total | 33,284.3 | 100% | 35,824.7 | 35,540.2 | 100% | TZS 91.6T | +6.8% YoY |
External Debt Currency Composition — TZS Exposure Analysis
The currency composition of external debt is critical for understanding exchange rate risk. A 1% depreciation of the TZS against the USD would increase the TZS-equivalent external debt burden by approximately TZS 916 billion (based on USD 35.5B × 66.7% USD share).
| Currency | Mar-25 Share | Feb-26 Share | Mar-26 Share | Mar-26 USD Amount (M) | TZS Equivalent | Exchange Rate Risk Note |
|---|---|---|---|---|---|---|
| US Dollar (USD) | 67.3% | 66.0% | 66.7% | USD 23,705M | TZS 61.1T | Primary risk currency — TZS depreciation directly raises TZS cost |
| Euro (EUR) | 16.9% | 17.7% | 17.7% | USD 6,290M | TZS 16.2T | EUR/TZS cross-rate risk; EUR has been relatively stable vs TZS |
| Chinese Yuan (CNY) | 6.3% | 6.5% | 6.6% | USD 2,346M | TZS 6.0T | BRI/EXIM bank loans; growing share from infrastructure financing |
| Other Currencies | 9.5% | 9.7% | 9.0% | USD 3,199M | TZS 8.2T | SDR, JPY, GBP, SEK — diverse; partially hedged via multilateral terms |
| Total External Debt | 100% | 100% | 100% | USD 35,540M | TZS 91.6T | 1% TZS depreciation = +TZS ~916B additional burden |
Currency Risk Alert: With 66.7% of external debt denominated in US dollars, the Tanzania shilling's trajectory is the single most important variable affecting the TZS-equivalent debt burden. A hypothetical depreciation back to TZS 2,700/USD (the May-25 level) would add approximately TZS 2.9 trillion to the external debt TZS burden — equivalent to roughly 14 months of domestic debt interest payments.
Domestic Debt — TZS 38.45 Trillion, Structure & Holders
The stock of domestic debt stood at TZS 38,447.9 billion at end-March 2026 — a slight decline from TZS 38,781.7 billion the previous month. Treasury bonds dominate the instrument mix at 82.2%, while commercial banks and pension funds collectively hold over half the total.
Domestic Debt by Instrument — Mar-26
TZS Billions · Total: TZS 38,447.9B
Domestic Debt by Creditor Category — Mar-26
TZS Billions · % share of total
Domestic Debt Instruments — Comparative Table
| Instrument | Mar-25 (TZS B) | Share | Feb-26 (TZS B) | Mar-26 (TZS B) | Share | YoY Change |
|---|---|---|---|---|---|---|
| Government Securities (Total) | 29,313.2 | 85.6% | 33,122.0 | 33,321.1 | 86.7% | +13.7% |
| — Treasury Bills | 1,888.8 | 5.5% | 1,653.0 | 1,575.3 | 4.1% | −16.6% |
| — Government Stocks | 187.1 | 0.5% | 135.7 | 135.7 | 0.4% | −27.5% |
| — Government Bonds | 27,237.2 | 79.5% | 31,333.2 | 31,609.9 | 82.2% | +16.1% |
| Non-Securitised Debt | 4,942.2 | 14.4% | 5,659.7 | 5,126.8 | 13.3% | +3.7% |
| — Overdraft (BOT) | 4,923.9 | 14.4% | 5,659.6 | 5,126.8 | 13.3% | +4.1% |
| Total Domestic Debt | 34,255.4 | 100% | 38,781.7 | 38,447.9 | 100% | +12.2% YoY |
Domestic Debt by Creditor Category — Who Holds Tanzania's TZS Debt?
The concentration of domestic debt in commercial banks (28.4%) and pension funds (27.2%) creates a structural linkage between government financing and the financial system. This has important implications for financial stability: a government default scenario would simultaneously impair bank balance sheets and pension fund assets.
| Creditor Category | Mar-25 (TZS B) | Share | Feb-26 (TZS B) | Mar-26 (TZS B) | Share | YoY Change |
|---|---|---|---|---|---|---|
| Commercial Banks | 9,948.4 | 29.0% | 10,834.3 | 10,925.8 | 28.4% | +9.8% |
| Bank of Tanzania (BOT) | 6,883.9 | 20.1% | 7,468.4 | 6,935.5 | 18.0% | +0.7% |
| Pension Funds | 9,091.5 | 26.5% | 10,463.9 | 10,463.9 | 27.2% | +15.1% |
| Insurance Companies | 1,845.5 | 5.4% | 1,983.5 | 1,997.1 | 5.2% | +8.2% |
| BOT Special Funds | 555.7 | 1.6% | 757.8 | 788.4 | 2.1% | +41.9% |
| Others (Public, Private, Non-res.) | 5,930.3 | 17.3% | 7,273.8 | 7,337.0 | 19.1% | +23.7% |
| Total Domestic Debt | 34,255.4 | 100% | 38,781.7 | 38,447.9 | 100% | +12.2% YoY |
Debt Service — External & Domestic Obligations in TZS
Managing debt service obligations is one of the most direct channels through which national debt affects TZS stability. Higher external debt repayments in USD create sustained demand for foreign currency, placing potential downward pressure on the shilling.
Monthly External Debt Service — Principal & Interest
Mar 2025 – Mar 2026 (USD Million)
Domestic Govt Securities Issued vs. Debt Service (TZS B)
Mar 2025 – Mar 2026
Debt Service & TZS Interaction: External debt service payments of USD 103.7M in March 2026 required approximately TZS 267.3 billion in foreign currency to be purchased from the market. The Bank of Tanzania reduced its net USD sales to just USD 65M in March — evidence that gold export inflows were sufficient to cover debt service outflows without excessive BOT intervention, reducing pressure on the shilling.
TZS Exchange Rate vs. National Debt — The Relationship
How does rising national debt correlate with shilling performance? The data reveals a complex, non-linear relationship: the TZS weakened sharply in 2022 as external debt surged with rising global commodity prices, but regained ground in 2024–2026 as gold revenues and prudent monetary management offset debt pressures.
TZS/USD Annual Average Rate vs. External Debt Stock — 2018–2026
Dual axis: Exchange rate (TZS/USD) vs. External Debt (USD Billion)
| Year | Avg TZS/USD Rate | External Debt (USD B) | Ext. Debt (TZS T) | Inflation (%) | GDP Growth (%) | TZS Trend Note |
|---|---|---|---|---|---|---|
| 2018 | 2,263.8 | 20.5 | 46.4 | 3.5 | 7.0 | Stable — managed appreciation |
| 2019 | 2,288.2 | 21.9 | 50.1 | 3.4 | 6.9 | Steady — low inflation supportive |
| 2020 | 2,294.1 | 23.0 | 52.7 | 3.3 | 4.5 | Resilient despite COVID — BOT intervention |
| 2021 | 2,297.8 | 25.5 | 58.6 | 3.7 | 4.8 | Flat — debt rising, shilling held |
| 2022 | 2,303.1 | 27.8 | 64.1 | 4.3 | 4.7 | Mild weakening — commodity shock year |
| 2023 | 2,382.1 | 30.3 | 72.1 | 3.8 | 5.1 | Notable weakening — debt rising fast |
| 2024 | 2,597.4 | 32.0 | 83.1 | 3.1 | 5.5 | Sharp depreciation — peak TZS weakness |
| 2025 | 2,537.6 | 34.8 | 88.2 | 3.3 | 6.0 | Recovery begins — gold boom takes effect |
| Mar-26 | 2,577.4* | 35.5 | 91.6 | 3.2 | 6.2† | Appreciating — gold + reserves buffer |
Key Pattern: The shilling's worst period (2023–2024) coincided with the sharpest rise in external debt and a global tightening cycle. The subsequent recovery in 2025–26 is driven not by debt reduction — which has continued rising — but by a surge in export earnings, particularly gold. This underscores that for Tanzania, export revenue generation is a more powerful TZS stabiliser than debt-level management alone.
TZS Stability Risk Outlook — Key Factors to Watch
TICGL's research team assesses six risk factors that will determine whether the Tanzania shilling can maintain its current stability against the backdrop of a USD 50.5 billion national debt through 2026 and into FYDP IV.
TICGL Bottom Line: Tanzania's shilling stability in 2026 rests on a three-legged stool: (1) the gold export revenue buffer, (2) the BOT's disciplined reserve management, and (3) EWURA's transparent fuel pricing framework. As long as these three factors hold, the TZS should remain within a TZS 2,500–2,650/USD band through 2026. The primary tail risk is a simultaneous collapse in gold prices and escalation in oil prices — a low-probability but high-impact scenario that policymakers should stress-test.