Inflation forecast · World Bank data
South Korea inflation forecast
Inflation (CPI, annual %)
Latest · 2025
2.1%
Inflation in South Korea is forecast at 2.3% in 12 months (2026), with an 80% range of 0.5% to 5.4%. The latest World Bank figure is 2.1% for 2025.
In 24 months (2027) and 36 months (2028) the model projects 2.2% and 2.3% (+0.1 pp versus 2025).
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.
- 6 monthsinterpolated · display only
- 2.2%▲ +0.1 pp80%: 1.3% – 3.7%
- 12 months2026
- 2.3%▲ +0.1 pp80%: 0.5% – 5.4%
- 24 months2027
- 2.2%▲ +0.1 pp80%: 0.5% – 5.5%
- 36 months2028
- 2.3%▲ +0.1 pp80%: 0.6% – 5.7%
Backtest · last 5 years
How accurate has this been?
| Horizon | Tests | Avg. error | Naive error | In 80% range |
|---|---|---|---|---|
| 12 months | 5 | 1.22 pp | 1.50 pp | 80% |
| 24 months | 4 | 1.70 pp | 2.47 pp | 75% |
| 36 months | 3 | 1.16 pp | 2.07 pp | 100% |
We re-ran the model as if standing at past dates, using only the data available then. Avg. error is the mean absolute gap between the median and what happened (percentage points); naive assumes no change from the last value. A well-calibrated 80% range contains about 80% of outcomes. Annual series have few test points, so treat these as rough. Methodology
Source data
Recent values
| Year | Value | Change |
|---|---|---|
| 2025 | 2.1% | −0.20 pp |
| 2024 | 2.3% | −1.28 pp |
| 2023 | 3.6% | −1.49 pp |
| 2022 | 5.1% | +2.59 pp |
| 2021 | 2.5% | +1.96 pp |
| 2020 | 0.5% | +0.15 pp |
| 2019 | 0.4% | −1.09 pp |
| 2018 | 1.5% | −0.47 pp |
| 2017 | 1.9% | +0.97 pp |
| 2016 | 1.0% | +0.27 pp |
About this forecast
- Source
- World Bank, World Development Indicators · series FP.CPI.TOTL.ZG
- Data through
- 2025 · 66 observations
- Forecast updated
- Sep 28, 2026
- Model
- TimesFM 2.5 (Google Research, Apache-2.0), zero-shot
More forecasts for South Korea
South Korea overviewOther inflation forecasts
All 39Statistical model, not financial advice. This forecast is generated automatically from public data; the 80% range means outcomes are expected outside it about one time in five. Don't make financial decisions based only on it.
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