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Data from World Bank. Forecasts by Sigmanomics Forecast Engine.
South AfricaSouth Africa GDP Deflator (Annual %) fell to 2.79 Percent in December 2025
World BankYearlyReleased December 2025
South Africa GDP Deflator (Annual %) fell to 2.79 Percent in December 2025, down 1.13 Percent from November's 3.92 Percent reading.
Latest Release
2.789618
Actual
—
Consensus
3.916921
Previous
Sigmacast Track Record
Sigmacast track record will appear here once this indicator has been released 3+ times since Sigmanomics began tracking.
Sigmacast Σ-direction model: consensus + ½ × mean(surprise, trailing 90d).
CORRELATED SYMBOLS— markets that historically move with this indicator
| Symbol | Direction | Correlation | Asset Class | Co-movement | Action |
|---|---|---|---|---|---|
| EUR/USD | ▲ Direct | +0.30 | FOREX | Moves with | → View |
| XAU/USD | ▲ Direct | +0.30 | COMMODITIES | Moves with | → View |
| S&P 500 | ▲ Direct | +0.30 | INDEX | Moves with | → View |
| BTC/USD | ▲ Direct | +0.30 | CRYPTO | Moves with | → View |
| USD/JPY | ▲ Direct | +0.30 | FOREX | Moves with | → View |
Correlation based on 12-month rolling window. Click any symbol to view its Sigmanomics forecast page.
THE RELEASE
GDP Deflator (Annual %) (South Africa) was reported at 2.79 Percent in December 2025. The reading fell from the previous value of 3.92 Percent. This is classified as a medium-impact indicator released on a yearly basis.
WHY IT MATTERS
The indicator has been trending downward over the last three releases. In December readings over the past 3 years, GDP Deflator (Annual %) has averaged 3.81 Percent.
WHAT TO WATCH NEXT
Same-country events in the next 14 days include Balance of Trade (Oct 30).
Auto-generated from current model state · Refreshes on each release · Last update December 2025.
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GDP Deflator (Annual %) - ZA
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About GDP Deflator (Annual %) — South Africa
DEFINITION
South Africa's GDP Deflator (Annual %) for 2025 registered at 2.789618%, down from 3.916921% in 2024, indicating a notable deceleration in inflationary pressures. This decline marks a continued easing trend following the previous year's higher reading. Market participants will monitor upcoming inflation data closely as the central bank maintains a cautious stance. Updated 7/1/26
WHY THIS INDICATOR MATTERS
Inflation prints feed directly into central-bank policy expectations and real-yield calculations, and are among the most rate-sensitive releases on the calendar. Surprises against consensus can drive short-term moves, particularly when the print breaks an established trend. Released annually.
WHAT'S NEXT
Sigmacast's 1-month forecast points to a materially higher reading versus the latest print. Current dynamics are the primary tailwind in the projection.
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Economic Calendar - ZA Events
| Wednesday, October 21, 2026 | Actual | Previous | Consensus | Sigmanomics Rolling-Surprise Forecast | Impact | ||
|---|---|---|---|---|---|---|---|
| 08:00 | ZA | Inflation Rate MoM | 0.4 | 0 | 0.4 | 0.40 | Medium |
| 08:00 | ZA | Core Inflation Rate MoM | 0.2 | 0 | 0.2 | 0.20 | Low |
| 08:00 | ZA | Inflation Rate YoY | 4.5 | 4.4 | 4.7 | 4.60 | Medium |
| 08:00 | ZA | Core Inflation Rate YoY | 4 | 4.1 | 4.3 | 4.15 | Low |
| 11:00 | ZA | Retail Sales YoY | 3.3 | 3.4 | 3 | 3.15 | Low |
| 11:00 | ZA | Retail Sales MoM | -0.3 | 2.4 | -1.5 | -0.90 | Low |
| Thursday, October 22, 2026 | Actual | Previous | Consensus | Sigmanomics Rolling-Surprise Forecast | Impact | ||
| 12:30 | ZA | Building Permits YoY | 4.1 | 3.2 | -2.10 | Low | |