State Of The Union | Chokepoints And Tyranny Of Geography In Globalised Era

In an age defined by globalization, digital connectivity and complex supply chains, it is easy to believe that geography is becoming less important. The truth is just the opposite. Physical geography, particularly narrow sea passages, continues to exert a powerful influence on global trade and geopolitics. This is the “tyranny of geography”: the idea that geography both influences and constrains human behavior.

Nowhere is this more visible than at the world’s most important maritime chokepoints. These are narrow waterways through which most global trade passes. These include the Strait of Hormuz, the Strait of Malacca, Bab el-Mandeb and the Bosphorus. These are not only important waterways; they are also weak points in the global supply chain. However, the important point is that these narrow points are not isolated. These are interconnected. So if one is threatened, the entire global supply chain is threatened.

What is a tight spot?

A causeway is not only a constricted waterway but also a strategic bottleneck. The importance of this stems from the scarcity of viable alternatives. The geography of the world dictates that global trade routes must pass through these restricted waterways; So these roads are very important but also very vulnerable.

One such waterway is the Strait of Malacca, which provides passage between the Indian Ocean and the Pacific Ocean. The Strait of Malacca is one of the world’s most important shipping routes; It carries out almost a quarter of world trade. However, the waterway is plagued with major problems such as navigation difficulties due to shallow water and heavy congestion. Ships exceeding a certain draft cannot pass fully loaded and are forced to take a longer route through the Sunda or Lombok Strait.

The Strait of Hormuz and Bab al-Mandeb are not heavily constrained by geography, but they are highly vulnerable to security risks.

These waterways are important due to the high volume of global trade and oil that passes through them. Bab el-Mandeb (connecting the Red Sea to the Indian Ocean) handles roughly 10-12% of global trade and approximately 8-9 million barrels of oil per day. About 20 percent of global oil trade passes through the Strait of Hormuz, making any disruption a systemic risk for energy markets. When tensions rise in these regions, shipping is rerouted, insurance premiums rise, and global markets react almost immediately.

The term “tyranny of geography” embodies the fundamental concept that countries must conduct their business within physical constraints. A good example of this is Russia, which despite its size has limited warm water ports. Russia’s main gateway to global trade is the Bosphorus and Dardanelles in Türkiye. Other ports in the Baltic or Far East are limited due to seasonal ice conditions or distance. In this case, geography determines Russia’s strategic weakness.

Similarly, while China’s maritime strategy is limited to passages such as Taiwan, India’s energy security is highly dependent on unimpeded passage through the Strait of Hormuz. These are not policy issues that can be easily adjusted, but geographical constraints that must be managed.

The importance of modern chokepoints lies in their interconnectedness. The global maritime system is a closely integrated system: Disruptions in a single location quickly propagate outward. For example, in case of a problem in the Strait of Hormuz, oil tankers will be directed to an alternative route, such as going around the Cape of Good Hope. This will increase transit times and fuel consumption, thus increasing freight rates and insurance premiums. This will contribute to inflation and supply chain disruptions.

Similarly, in case of traffic congestion or closure in the Strait of Malacca, ships will be diverted to alternative routes such as Sunda or Lombok. Although these routes allow larger ships, they will increase distances, time and operational risks.

In this sense, blockages are more like interconnected arteries in the circulatory system rather than isolated bottlenecks. Congestion in one will increase tension everywhere.

The economic consequences of disrupting chokepoints are significant. The economic importance of maritime transport is so great that it accounts for more than 80% of global trade volume. Even if the disruption is small, the economic fallout will be large. When it comes to energy trading, even the threat of disrupting chokepoints will cause prices to rise.

Chokepoints also shape the physical design of transportation. The concept of “Malaccamax” ships (vessels specially designed to comply with the draft limitations of the Malacca Strait) demonstrates how geography directly affects industrial standards.

Narrow spots are also areas where geopolitical tensions are high. This is evident from the geopolitical tensions arising from the militarization of regions bordering narrow passes and the location of military bases. Small countries such as Singapore, Djibouti and Türkiye play an important role in the geopolitical landscape due to their proximity to choke points.

Additionally, freedom of passage through narrow passages is protected by international law. The principle of transit under UNCLOS ensures that freedom of navigation in international straits is not impaired. But recent events show that geopolitical tensions can weaken legal guarantees. Actual disruptions caused by conflict or insecurity can be as effective as official closures.

Efforts to reduce dependence on chokepoints are ongoing. Land trade corridors, pipelines and alternative sea routes were explored to bypass vulnerable passages.

China’s “Belt and Road Initiative” aims to create land-based trade routes to reduce China’s dependence on sea choke points. Another alternative being considered is Arctic sea routes, especially as the ice cover decreases.

However, such alternatives remain limited in terms of scale and feasibility. They often involve higher costs, new risks or geopolitical challenges. Ultimately, such alternatives, no matter how much they contribute to reducing vulnerability, cannot overcome the underlying constraints of geography.

The world’s trading system is built on a vulnerable physical foundation. The efficiency of the system depends on the continuous smooth flow of a handful of narrow sea passages. When these transitions are stable, global trade flows smoothly, but when they are disrupted, the effects are both immediate and far-reaching.

The “tyranny of geography” reminds us that despite advances in technology and globalization, we still live in a world where physical constraints shape economic and strategic outcomes.

Chokepoints are a permanent fixture in this environment, where global flows are compressed and weak points are concentrated.

Resilience is a necessity in this world, and diversification of routes, strategic reserves and international cooperation, not unfair, unbridled and hegemonic wars, are critical in overcoming vulnerabilities.

Manish Tewari is a third-term Lok Sabha MP and former Union minister. Twitter handle @ManishTewari