Forecast
Forward projections from the prediction engine — baseline plus an optimistic/pessimistic band and a confidence interval, per macro indicator. These are PROJECTIONS, not observations: generated from observed history, never a guarantee. A country we hold no projections for is shown honestly.
Forecast
Need it as JSON? GET /api/v1/forecast/country/{iso3}.
Tanzania: forward projections across 12 macro indicators, horizons 2025, 2026, 2027, 2028, 2029, 2030, 2031, 2034, 2035, 2036. These are projections, not observations — each carries an optimistic/pessimistic band and a confidence interval, anchored against the latest observed value where one is held.
Latest observed
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | -2.24 | 1.87 | -6.35 | -3.11 – -1.36 |
| 2029 | -2.11 | 5 | -9.23 | -3.67 – -0.56 |
| 2031 | -1.99 | 7.2 | -11.18 | -4.03 – 0.04 |
| 2036 | -1.68 | 11.32 | -14.68 | -4.6 – 1.24 |
Method: linear_trend; lookback 8y; horizon 1y; confidence 80%
Latest observed19.83(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | 20.31 | 23.74 | 17.34 | 19.49 – 21.12 |
| 2027 | 21.27 | 27.2 | 16.12 | 19.4 – 23.13 |
| 2029 | 22.22 | 29.89 | 15.58 | 19.35 – 25.1 |
| 2034 | 24.62 | 35.45 | 15.22 | 19.13 – 30.1 |
Method: linear_trend; lookback 8y; horizon 1y; confidence 80%
Latest observed78.8bn(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 98.9bn | 104.5bn | 94.1bn | 95.9bn – 102bn |
| 2029 | 109.2bn | 118.8bn | 100.9bn | 101.1bn – 117.3bn |
| 2031 | 119.5bn | 131.8bn | 108.7bn | 105.9bn – 133bn |
| 2036 | 145.1bn | 162.6bn | 130bn | 115bn – 175.2bn |
Method: weighted_composite; lookback 8y; horizon 1y; confidence 80%
Latest observed5.53(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 6.11 | 6.49 | 5.78 | 5.92 – 6.3 |
| 2029 | 6.61 | 7.27 | 6.04 | 6.12 – 7.1 |
| 2031 | 7.11 | 7.96 | 6.38 | 6.3 – 7.92 |
| 2036 | 8.36 | 9.56 | 7.32 | 6.63 – 10.09 |
Method: weighted_composite; lookback 6y; horizon 1y; confidence 80%
Latest observed1.2k(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 1.4k | 1.5k | 1.3k | 1.4k – 1.4k |
| 2029 | 1.5k | 1.6k | 1.4k | 1.4k – 1.6k |
| 2031 | 1.6k | 1.8k | 1.4k | 1.4k – 1.8k |
| 2036 | 1.8k | 2.1k | 1.6k | 1.4k – 2.2k |
Method: weighted_composite; lookback 8y; horizon 1y; confidence 80%
Latest observed48.7(2026)· IMF DataMapper API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 49.91 | 52.57 | 46.84 | 48.36 – 51.46 |
| 2029 | 52.33 | 56.95 | 47.01 | 48.46 – 56.2 |
| 2031 | 54.75 | 60.71 | 47.88 | 48.54 – 60.97 |
| 2036 | 60.81 | 69.23 | 51.09 | 48.2 – 73.42 |
Method: linear_trend; lookback 10y; horizon 1y; confidence 80%
Latest observed21.68(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | 22.33 | 25.92 | 18.74 | 21.42 – 23.24 |
| 2027 | 23.62 | 29.85 | 17.4 | 21.54 – 25.71 |
| 2029 | 24.92 | 32.95 | 16.88 | 21.7 – 28.14 |
| 2034 | 28.15 | 39.52 | 16.79 | 21.91 – 34.4 |
Method: linear_trend; lookback 8y; horizon 1y; confidence 80%
Latest observed3.06(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 4.28 | 5.51 | 2.97 | 3.94 – 4.62 |
| 2029 | 5.26 | 7.38 | 2.99 | 4.54 – 5.98 |
| 2031 | 6.24 | 8.98 | 3.31 | 5.13 – 7.35 |
| 2036 | 8.69 | 12.56 | 4.54 | 6.44 – 10.94 |
Method: exponential_smoothing; lookback 6y; horizon 1y; confidence 80%
Latest observed41.35(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | 41.62 | 46.08 | 37.76 | 40.32 – 42.93 |
| 2027 | 42.25 | 49.97 | 35.57 | 39.12 – 45.38 |
| 2029 | 42.88 | 52.84 | 34.25 | 38.02 – 47.75 |
| 2034 | 44.46 | 58.55 | 32.26 | 35.24 – 53.69 |
Method: weighted_composite; lookback 8y; horizon 1y; confidence 80%
Latest observed68.6m(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 69.7m | 73m | 66.7m | 67.6m – 71.9m |
| 2029 | 72m | 75.4m | 68.8m | 66.6m – 77.3m |
| 2031 | 74.2m | 78m | 70.7m | 65.8m – 82.6m |
| 2036 | 79.8m | 85.1m | 74.9m | 63.2m – 96.4m |
Method: exponential_smoothing; lookback 10y; horizon 1y; confidence 80%
Latest observed2.21(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | 2.61 | 5.3 | 0.59 | 2.23 – 2.99 |
| 2027 | 3.53 | 8.19 | 0.03 | 2.77 – 4.28 |
| 2029 | 4.45 | 10.47 | -0.07 | 3.34 – 5.56 |
| 2034 | 6.75 | 15 | 0.36 | 4.6 – 8.89 |
Method: weighted_composite; lookback 7y; horizon 1y; confidence 80%
Latest observed1.57(2025)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2026 | 1.51 | 1.78 | 1.25 | 1.45 – 1.58 |
| 2028 | 1.4 | 1.85 | 0.94 | 1.26 – 1.53 |
| 2030 | 1.28 | 1.86 | 0.69 | 1.09 – 1.47 |
| 2035 | 0.98 | 1.81 | 0.15 | 0.7 – 1.27 |
Method: linear_trend; lookback 6y; horizon 1y; confidence 80%
Generated by the prediction engine (model prediction-engine-v1) on 2026-06-22 from observed history. Projections, not observations — never a guarantee of future values.
Machine-readable: GET /api/v1/forecast/country/TZA · Country page → · Full brief → · API docs
