South African Manufacturing Output Slumps in May 2026
According to data released by Statistics South Africa (Stats SA) on Thursday, manufacturing production fell 4.3% on an annual basis in May 2026 – the sharpest year‑on‑year decline since April 2025, when output dropped 6.4%. The contraction underscores continued pressure on the factory sector from higher input costs, largely driven by volatility in global oil markets linked to the ongoing US‑Iran tensions.
What the Numbers Show
- Annual manufacturing output: ‑4.3% (May 2026 vs. May 2025).
- Monthly, seasonally adjusted production rose 1.1% in May after a 2.6% fall in April.
- Three‑month moving average (March‑May) shows a ‑1.0% change compared with the prior quarter.
These figures were highlighted by Nicolai Claassen, Director of Industrial Statistics at Stats SA, who noted that seven of the ten manufacturing divisions recorded weaker performance in May.
Sector‑by‑Sector Breakdown
The largest drag came from the food and beverages division, which slipped 6.4% year‑on‑year, subtracting roughly 1.6 percentage points from overall growth. Other notable decliners included:
- Lumber, paper, printing and publishing
- Furniture and other manufacturing goods
- Glass and non‑metallic mineral products
Conversely, three divisions posted gains:
- Petroleum, chemical, rubber and plastic products
- Textiles and apparel
- Electrical machinery
Although these sectors expanded, their positive contribution was insufficient to offset the broader downturn, Claassen added.
Implications for GDP Growth and Inflation
The weak manufacturing performance is expected to weigh on South Africa’s gross domestic product (GDP) in the second quarter of 2026. After a modest 0.5% expansion in Q1, the factory sector’s drag could keep quarterly growth below trend.
Producer price pressures have intensified alongside the output slide. Annual producer inflation accelerated to 7.8% in May, up from 4.8% in April, while consumer inflation rose to 4.5% – moving further from the South African Reserve Bank’s (SARB) 3% target (with a 2%‑4% tolerance band).
FNB economist Thanda Sithole explained that the modest quarterly rebound in manufacturing (the 1.1% monthly rise) does not signal a sustained recovery:
“Looking forward, the outlook remains challenging. Manufacturers continue to face increased production costs, ongoing impacts of the Middle East conflict and domestic infrastructure constraints. Business confidence in the industry also remains subdued.”
Monetary Policy Considerations
In response to rising inflation, the SARB raised its benchmark repo rate by 25 basis points to 7.0% in May 2026, signalling a commitment to anchor inflation expectations. The decision comes despite concerns that higher borrowing costs could dampen consumer demand – a key driver of economic activity.
The central bank’s statement emphasized the need to prevent second‑round effects from price shocks from becoming entrenched. Analysts warn that further rate hikes risk exacerbating the slowdown in manufacturing and broader economic growth if oil price volatility persists.
Geopolitical Context and Future Risks
The manufacturing sector’s cost pressures are closely tied to oil prices, which have hovered around $126 per barrel since the escalation of US‑Iran hostilities in late February 2026. Recent weeks have seen renewed flare‑ups, with Iranian forces attacking U.S. military infrastructure in Gulf states following American strikes on Iran’s southern and eastern provinces.
While oil prices retreated slightly on Thursday as investors assessed whether the spikes were tactical, the uncertainty surrounding the ceasefire keeps markets on edge. Any renewed surge in crude could further lift production costs for South African manufacturers, especially in energy‑intensive sub‑sectors such as chemicals and petroleum refining.
Conclusion
May 2026’s manufacturing data paint a picture of a sector under strain: declining output, rising input costs, and muted business confidence. While a modest monthly rebound offers a glimmer of short‑term resilience, the structural challenges – chiefly global oil price volatility and domestic infrastructure bottlenecks – suggest that the factory sector will continue to exert downward pressure on GDP growth in the near term.
Policymakers, industry leaders, and analysts will need to monitor both geopolitical developments in the Middle East and domestic policy responses to gauge whether the current downturn proves transitory or signals a more prolonged period of industrial weakness.


