The global economy is once again confronting a familiar vulnerability with renewed intensity: its dependence on energy flows through geopolitically fragile corridors. The latest escalation in the Middle East, following joint United States and Israeli strikes on Iran on February 28, has triggered what analysts are now describing as the most severe supply disruption in the history of the oil market.
At the center of the crisis lies the Strait of Hormuz, a narrow maritime chokepoint that ordinarily facilitates the movement of nearly one-fifth of global oil and gas supplies. In the weeks since the conflict intensified, tanker traffic through the strait has slowed to a near standstill, effectively constricting one of the most critical arteries of the global economy. The consequences have been swift and far-reaching. Brent crude prices have surged by more than 50% in March alone, climbing from approximately $72 per barrel to peaks approaching $120. This marks the steepest monthly increase on record, surpassing even the price shock that followed Iraq’s invasion of Kuwait in 1990. Despite coordinated releases of emergency reserves by major economies, the structural nature of the disruption has kept markets volatile and elevated.
Yet the story extends well beyond oil. For countries across Africa and the Global South, this is not merely an energy crisis. It is the beginning of a cascading economic shock, one that is transmitting rapidly from fuel markets into food systems, and from inflation into political risk.
The anatomy of a supply shock
The scale of the disruption is difficult to overstate. Estimates suggest that between 8 and 10 million barrels per day have been knocked out of global supply, as production cuts, infrastructure damage, and logistical bottlenecks converge. Refining capacity in the Gulf has been curtailed, export flows of petroleum products and liquefied petroleum gas have stalled, and storage facilities are approaching capacity limits. Even where physical supply exists, the ability to move it has been severely compromised.
Shipping companies, facing heightened security risks and rising insurance premiums, have curtailed operations in the region. Hundreds of tankers remain stranded or rerouted, while alternative transit options offer only limited relief. The result is a market defined not just by scarcity, but by dislocation. This distinction matters a lot. Unlike previous oil shocks driven primarily by demand fluctuations or coordinated production cuts, the current crisis is rooted in a breakdown of logistical continuity. It is, in effect, a supply chain crisis layered onto an energy market, amplifying both volatility and uncertainty.
Transmission channel one: Energy as an inflationary multiplier.
For economies across Africa, the first and most immediate impact is being felt in domestic fuel markets.
Oil is not merely a traded commodity. It is a foundational input that underpins transportation, electricity generation, manufacturing, and logistics. When its price rises sharply, the effects propagate quickly through virtually every sector of the economy.
In Nigeria, petrol prices have surged dramatically within weeks, while diesel costs have climbed to levels that are already reshaping the cost structure of businesses. This is occurring despite the country’s status as a major crude oil producer, underscoring a persistent structural constraint: limited domestic refining capacity. Petrol prices have surged from N800 to N1400 in just weeks.
The result is a paradox that has long defined Nigeria’s energy economy. Higher global oil prices translate into increased government revenues, yet they simultaneously drive up the cost of imported refined products, leaving households and businesses exposed to inflationary pressures.
Elsewhere on the continent, the dynamics are more straightforward but no less severe. Fuel-importing economies such as Kenya, Ghana, and South Africa are experiencing direct pass-through effects from global price increases, often compounded by currency depreciation. For these countries, higher oil prices function as an external tax, eroding purchasing power and tightening fiscal space.
Governments are responding with a mix of subsidies, price controls, and monetary tightening, but each of these tools carries trade-offs. Subsidies strain already constrained public finances, while higher interest rates risk dampening economic growth.
The margin for policy error is narrow.
Transmission channel two: From energy shock to food inflation
If the first phase of the crisis is defined by rising fuel costs, the second is characterized by its impact on food systems. Modern agriculture is deeply intertwined with energy markets. Fertilizer production relies heavily on hydrocarbons, mechanized farming depends on diesel, and global food distribution networks are sustained by fuel-intensive logistics. When energy prices rise, food costs inevitably follow. This dynamic is already taking hold across the Global South.
Disruptions to supply chains in the Middle East have constrained the availability of key agricultural inputs, particularly fertilizers. At the same time, shipping delays and rising transportation costs are increasing the price of moving goods across borders. These pressures are being transmitted along the value chain, from producers to consumers. For African economies, many of which are heavily dependent on imported food and agricultural inputs, the implications are profound.
Higher fertilizer prices threaten to reduce application rates, potentially leading to lower crop yields in the upcoming planting season. Increased transport costs raise the price of getting food from farms to markets. Currency depreciation further amplifies import costs. The cumulative effect is a sustained upward pressure on food prices. In Kenya, early signs of strain are visible in fuel shortages and rising logistics costs that are beginning to affect agricultural exports. In Zimbabwe, transport fare increases have triggered protests, reflecting the broader squeeze on household incomes.
In Ethiopia and Namibia, the government has been forced to introduce fuel subsidies in an effort to contain the immediate impact, even as longer-term risks to food security loom.
This is the critical inflexion point. An energy shock can be absorbed, at least temporarily. A food shock, particularly in low-income economies, is far more destabilizing.
Transmission channel three: From inflation to political instability
The convergence of rising fuel and food prices creates a potent mix of economic and social pressure. For households, the impact is immediate and tangible. Transport costs rise. Basic goods become more expensive. Real incomes decline. Consumption patterns shift, often sharply, as families’ priorities essentials over discretionary spending. At the macro level, these pressures translate into higher inflation, slower growth, and increased fiscal strain. But the most significant risks are political.
History offers a clear precedent. Periods of sharp increases in food and fuel prices have frequently coincided with episodes of social unrest, particularly in countries with pre-existing economic vulnerabilities. The Arab Spring, in part, was catalyzed by such dynamics. Today, similar conditions are emerging across parts of Africa and the Global South.
Countries with limited fiscal buffers, high debt burdens, or fragile political systems are especially exposed. In the Sahel, where food insecurity is already acute, higher transport costs threaten to exacerbate humanitarian challenges. In economies such as Sudan, Chad and the Central African Republic, the capacity to absorb additional shocks is extremely limited.
Even in relatively stable markets, the risk of social tension is rising. As inflation accelerates and living standards come under pressure, governments may face increasing public dissatisfaction, particularly if policy responses are perceived as inadequate.
The concern is not merely theoretical. Analysts warn that if disruptions to oil flows persist, the current crisis could push several vulnerable economies into what has been described as “uncharted territory,” where traditional stabilization mechanisms prove insufficient.
The illusion of resilience among oil producers
While oil-exporting countries in Africa may appear better positioned to weather the crisis, the reality is more complex.
Higher global prices do translate into increased export revenues, offering a potential fiscal buffer. However, structural inefficiencies often limit the extent to which these gains are transmitted to the broader economy.
In many cases, including Nigeria, the continued reliance on imported refined products due to the absence of autonomy, itself based on corruption and neglect, means that higher crude prices are accompanied by higher domestic fuel costs. This erodes the purchasing power of households and offsets much of the potential benefit from increased revenues.
Moreover, elevated oil prices can contribute to currency volatility, complicating macroeconomic management and further amplifying inflationary pressures. The net effect is that the perceived advantage of being an oil producer is often significantly diluted in practice.
A crisis of asymmetry
One of the defining features of the current crisis is its uneven impact.
In advanced economies, higher energy prices are typically absorbed through increased costs for transportation, heating, and industrial production. While significant, these effects are mitigated by stronger currencies, deeper financial markets, and more robust social safety nets.
In contrast, for countries across Africa and the Global South, the same shock operates through more fragile systems.
Here, energy price increases translate more directly into food insecurity, reduced access to essential goods, and heightened vulnerability among low-income populations. The absence of adequate fiscal buffers and the prevalence of structural dependencies amplify the impact.
This asymmetry is not incidental. It is embedded in the architecture of the global economy.
The road ahead
The immediate response from the international community has focused on stabilization. The coordinated release of hundreds of millions of barrels from strategic reserves is intended to ease supply constraints and moderate price volatility. Global oil inventories, currently at elevated levels, provide a temporary cushion. But these measures are, by design, short-term.
The trajectory of the crisis will depend largely on its duration. A rapid de-escalation that restores shipping through the Strait of Hormuz could stabilize markets and limit the long-term impact. A prolonged disruption, however, would deepen the crisis, with compounding effects on inflation, food security, and economic stability.
For policymakers in Africa and the Global South, the challenge is immediate and multifaceted. Balancing the need to protect vulnerable populations with the imperative of maintaining fiscal sustainability will require careful calibration. Investments in agricultural resilience, energy diversification, and supply chain flexibility are likely to become even more critical in the months ahead.
Written by Olivier Noudjalbaye Dedingar, USA/UN correspondent.
