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}.
United Kingdom: forward projections across 12 macro indicators, horizons 2025, 2027, 2029, 2031, 2034, 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 | -3.6 | -1.49 | -5.71 | -4.09 – -3.11 |
| 2029 | -3.99 | -0.34 | -7.64 | -4.93 – -3.06 |
| 2031 | -4.39 | 0.32 | -9.1 | -5.7 – -3.08 |
| 2036 | -5.38 | 1.29 | -12.04 | -7.6 – -3.16 |
Method: linear_trend; lookback 8y; horizon 1y; confidence 80%
Latest observed30.98(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | 31.06 | 35.64 | 27.09 | 29.91 – 32.21 |
| 2027 | 31.2 | 39.14 | 24.33 | 28.57 – 33.84 |
| 2029 | 31.35 | 41.59 | 22.48 | 27.38 – 35.32 |
| 2034 | 31.72 | 46.2 | 19.17 | 24.58 – 38.86 |
Method: linear_trend; lookback 8y; horizon 1y; confidence 80%
Latest observed3.7T(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 4.5T | 4.9T | 4.1T | 4.3T – 4.6T |
| 2029 | 5T | 5.7T | 4.4T | 4.6T – 5.4T |
| 2031 | 5.5T | 6.4T | 4.7T | 4.9T – 6.1T |
| 2036 | 6.8T | 8.1T | 5.7T | 5.4T – 8.2T |
Method: weighted_composite; lookback 8y; horizon 1y; confidence 80%
Latest observed1.13(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 0.28 | 4.91 | -3.73 | -0.51 – 1.07 |
| 2029 | -1 | 7.03 | -7.95 | -2.38 – 0.39 |
| 2031 | -2.27 | 8.09 | -10 | -4.18 – -0.36 |
| 2036 | -5.46 | 9.19 | -10 | -8.77 – -2.14 |
Method: weighted_composite; lookback 6y; horizon 1y; confidence 80%
Latest observed53.2k(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 63.7k | 69.7k | 58.5k | 61.7k – 65.7k |
| 2029 | 70.4k | 80.8k | 61.3k | 65.2k – 75.6k |
| 2031 | 77k | 90.5k | 65.3k | 68.3k – 85.8k |
| 2036 | 93.7k | 112.7k | 77.2k | 74.2k – 113.1k |
Method: weighted_composite; lookback 8y; horizon 1y; confidence 80%
Latest observed103.6(2026)· IMF DataMapper API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 105.57 | 117.86 | 91.4 | 102 – 109.15 |
| 2029 | 109.52 | 130.8 | 84.98 | 100.99 – 118.05 |
| 2031 | 113.47 | 140.94 | 81.78 | 100.17 – 126.78 |
| 2036 | 123.35 | 162.19 | 78.53 | 97.63 – 149.06 |
Method: linear_trend; lookback 10y; horizon 1y; confidence 80%
Latest observed31.86(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | 31.9 | 37.46 | 26.35 | 30.54 – 33.26 |
| 2027 | 31.99 | 41.61 | 22.37 | 28.98 – 35 |
| 2029 | 32.08 | 44.5 | 19.66 | 27.61 – 36.55 |
| 2034 | 32.3 | 49.87 | 14.74 | 24.45 – 40.16 |
Method: linear_trend; lookback 8y; horizon 1y; confidence 80%
Latest observed3.27(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 3.2 | 9.14 | -3.17 | 1.83 – 4.57 |
| 2029 | 2.92 | 13.21 | -5 | 0.5 – 5.34 |
| 2031 | 2.64 | 15.93 | -5 | -0.52 – 5.8 |
| 2036 | 1.94 | 20.73 | -5 | -2.54 – 6.42 |
Method: exponential_smoothing; lookback 6y; horizon 1y; confidence 80%
Latest observed18.67(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | 18.69 | 19.67 | 17.84 | 18.11 – 19.27 |
| 2027 | 18.72 | 19.97 | 17.63 | 17.33 – 20.1 |
| 2029 | 18.75 | 20.37 | 17.34 | 16.62 – 20.87 |
| 2034 | 18.82 | 21.11 | 16.83 | 14.91 – 22.72 |
Method: weighted_composite; lookback 8y; horizon 1y; confidence 80%
Latest observed69.2m(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 69.7m | 73m | 66.7m | 67.6m – 71.9m |
| 2029 | 70.1m | 73.4m | 67m | 64.9m – 75.3m |
| 2031 | 70.5m | 73.8m | 67.4m | 62.5m – 78.5m |
| 2036 | 71.5m | 74.9m | 68.4m | 56.7m – 86.3m |
Method: exponential_smoothing; lookback 10y; horizon 1y; confidence 80%
Latest observed0.55(2024)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2025 | -0.96 | 15 | -10 | -3.56 – 1.63 |
| 2027 | -3.98 | 15 | -10 | -8.64 – 0.68 |
| 2029 | -6.99 | 15 | -10 | -10 – -0.66 |
| 2034 | -10 | 15 | -10 | -10 – -0.24 |
Method: weighted_composite; lookback 7y; horizon 1y; confidence 80%
Latest observed4.75(2025)· World Bank Indicators API
| Year | Baseline | Optimistic | Pessimistic | Conf. band |
|---|---|---|---|---|
| 2027 | 5.8 | 7.08 | 4.51 | 5.51 – 6.09 |
| 2029 | 6.2 | 8.42 | 3.97 | 5.56 – 6.83 |
| 2031 | 6.59 | 9.47 | 3.72 | 5.63 – 7.56 |
| 2036 | 7.59 | 11.65 | 3.52 | 5.75 – 9.42 |
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/GBR · Country page → · Full brief → · API docs
