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}.
Sierra Leone: 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 | -2.91 | 1 | -6.82 | -3.75 – -2.06 |
| 2029 | -2.12 | 4.65 | -8.89 | -3.6 – -0.64 |
| 2031 | -1.34 | 7.4 | -10.08 | -3.23 – 0.55 |
| 2036 | 0.63 | 12.99 | -11.73 | -2.05 – 3.31 |
Method: linear_trend; lookback 8y; horizon 1y; confidence 80%
Latest observed17.27(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | 18.45 | 25.2 | 12.6 | 17.19 – 19.71 |
| 2027 | 20.82 | 32.51 | 10.69 | 18.15 – 23.49 |
| 2029 | 23.19 | 38.27 | 10.11 | 19.17 – 27.2 |
| 2034 | 29.1 | 50.44 | 10.61 | 21.4 – 36.81 |
Method: linear_trend; lookback 8y; horizon 1y; confidence 80%
Latest observed7bn(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 8.7bn | 9.6bn | 7.8bn | 8.4bn – 8.9bn |
| 2029 | 9.6bn | 11.2bn | 8.1bn | 8.9bn – 10.3bn |
| 2031 | 10.5bn | 12.6bn | 8.6bn | 9.3bn – 11.7bn |
| 2036 | 12.7bn | 15.8bn | 10.1bn | 10.1bn – 15.4bn |
Method: weighted_composite; lookback 8y; horizon 1y; confidence 80%
Latest observed4.29(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 4.47 | 5.85 | 3.28 | 4.17 – 4.77 |
| 2029 | 4.36 | 6.74 | 2.3 | 3.75 – 4.96 |
| 2031 | 4.25 | 7.31 | 1.59 | 3.39 – 5.1 |
| 2036 | 3.96 | 8.3 | 0.2 | 2.6 – 5.32 |
Method: weighted_composite; lookback 6y; horizon 1y; confidence 80%
Latest observed806.65(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 947.8 | 1.1k | 848.78 | 918.42 – 977.18 |
| 2029 | 1k | 1.2k | 843.24 | 939.68 – 1.1k |
| 2031 | 1.1k | 1.3k | 860.27 | 958.88 – 1.2k |
| 2036 | 1.2k | 1.6k | 935.93 | 989.97 – 1.5k |
Method: weighted_composite; lookback 8y; horizon 1y; confidence 80%
Latest observed44.3(2026)· IMF DataMapper API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 44.49 | 49.98 | 38.15 | 42.93 – 46.04 |
| 2029 | 44.86 | 54.38 | 33.88 | 41.24 – 48.48 |
| 2031 | 45.23 | 57.52 | 31.06 | 39.72 – 50.74 |
| 2036 | 46.17 | 63.54 | 26.12 | 36.11 – 56.23 |
Method: linear_trend; lookback 10y; horizon 1y; confidence 80%
Latest observed23.28(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | 23.49 | 35.19 | 11.78 | 21.32 – 25.65 |
| 2027 | 23.9 | 44.16 | 3.63 | 19.65 – 28.15 |
| 2029 | 24.31 | 50.47 | 0 | 18.36 – 30.26 |
| 2034 | 25.34 | 62.34 | 0 | 15.62 – 35.05 |
Method: linear_trend; lookback 8y; horizon 1y; confidence 80%
Latest observed28.63(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 9.66 | 44.26 | -5 | 1.84 – 17.49 |
| 2029 | 9.52 | 50 | -5 | -4.22 – 23.27 |
| 2031 | 9.38 | 50 | -5 | -5 – 27.29 |
| 2036 | 9.03 | 50 | -5 | -5 – 34.73 |
Method: exponential_smoothing; lookback 6y; horizon 1y; confidence 80%
Latest observed19.55(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | 20.19 | 24.36 | 16.59 | 19.28 – 21.11 |
| 2027 | 21.73 | 28.94 | 15.49 | 19.66 – 23.81 |
| 2029 | 23.27 | 32.58 | 15.21 | 20.08 – 26.46 |
| 2034 | 27.12 | 40.28 | 15.71 | 20.9 – 33.34 |
Method: weighted_composite; lookback 8y; horizon 1y; confidence 80%
Latest observed8.6m(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 9m | 9.4m | 8.6m | 8.7m – 9.2m |
| 2029 | 9.2m | 9.6m | 8.8m | 8.5m – 9.8m |
| 2031 | 9.4m | 9.8m | 8.9m | 8.3m – 10.4m |
| 2036 | 9.9m | 10.3m | 9.4m | 7.8m – 11.9m |
Method: exponential_smoothing; lookback 10y; horizon 1y; confidence 80%
Latest observed1.47(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | 1.49 | 8.75 | -3.95 | 0.56 – 2.42 |
| 2027 | 1.56 | 14.13 | -7.87 | -0.08 – 3.21 |
| 2029 | 1.63 | 15 | -10 | -0.53 – 3.79 |
| 2034 | 1.81 | 15 | -10 | -1.35 – 4.97 |
Method: weighted_composite; lookback 7y; horizon 1y; confidence 80%
Latest observed3.15(2025)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2026 | 3.06 | 3.4 | 2.72 | 2.96 – 3.16 |
| 2028 | 2.88 | 3.47 | 2.29 | 2.65 – 3.11 |
| 2030 | 2.7 | 3.46 | 1.93 | 2.36 – 3.03 |
| 2035 | 2.24 | 3.32 | 1.16 | 1.72 – 2.76 |
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/SLE · Country page → · Full brief → · API docs
