GDP growth · New Zealand
New Zealand GDP growth forecast
GDP growth (annual %)
Model run: Sep 28, 2026 · TimesFM 2.5
12 months forecast · 2026
1.8%
Median forecast · p10-p90: −1.3% to 4.4%
24 months forecast · 2027
1.9%
Median forecast · p10-p90: −1.4% to 4.7%
36 months forecast · 2028
2.0%
Median forecast · p10-p90: −1.4% to 4.9%
Latest observed: 0.5% · 2025
Choose a horizon
The median and range update together.
History & forecast
White: observed history. Blue: forecast median. Shaded: p10-p90 model range.
Display-only line. World Bank data is annual: the forecasts are the yearly points marked on the chart. The monthly line between them is a straight-line interpolation for display, not a monthly forecast.
All values in Annual %
Model validation
| Horizon | Tests | Model errorModel | No-change errorNo change | Band coverageCoverage |
|---|---|---|---|---|
| 12 months | 5 | 1.74 pp | 2.21 pp | 80.0% |
| 24 months | 4 | 2.21 pp | 2.91 pp | 75.0% |
| 36 months | 3 | 2.31 pp | 3.37 pp | 66.7% |
In these tests the model had lower average error than a no-change forecast at all 3 horizons. Rolling backtests of this model on the latest revised history; overlapping forecast errors are not independent. The p10-p90 band is a model range, not a calibrated guarantee. Methodology · Forecast audit
Evidence & context
Source data
Source & observed data
| Year | Value | Change |
|---|---|---|
| 2025 | 0.5% | +1.33 pp |
| 2024 | −0.9% | −2.68 pp |
| 2023 | 1.8% | −1.53 pp |
| 2022 | 3.3% | −0.95 pp |
| 2021 | 4.3% | +4.54 pp |
| 2020 | −0.2% | −2.56 pp |
| 2019 | 2.3% | −1.00 pp |
| 2018 | 3.3% | +0.01 pp |
| 2017 | 3.3% | −0.43 pp |
| 2016 | 3.7% | +0.01 pp |
Sources & limits
Source: World Bank, World Development Indicators · NY.GDP.MKTP.KD.ZG. Methodology · Forecast audit
Historical context
Outside the model
What could change this forecast?
A small, dated reading list. TimesFM sees the data series, not these stories. This context is not a trading signal.
No recent item selected for this series. We would rather leave this quiet than fill it with a weak match.
Selected for relevance, not a claim of causation. Source dates stay visible. Original reporting remains with its publisher.