Crossroads Asia | Economy | Central Asia

How the Iran War Is Reshaping Kazakhstan’s Role in Eurasia

With both northern routes through Russia and southern routes through Iran facing disruption or heightened political risk, the Middle Corridor is moving from an alternative option to a strategic necessity. 

The conflict in Iran is already reshaping the global economy. Energy markets have been destabilized, key shipping routes have become riskier or closed, and trade flows across Eurasia are being recalibrated in real time. While the war is centered in the Middle East, its consequences are global and increasingly structural. For Kazakhstan, these shifts are also significant. The country faces new constraints on its external connectivity but also finds its strategic importance rising as alternative trade routes gain urgency.

At the center of this shift is the disruption of one of the world’s most critical chokepoints: the Strait of Hormuz. Since the escalation of hostilities, maritime traffic through the strait has been severely affected, with tanker flows reduced and global energy markets experiencing sharp volatility. Given that a significant share of global oil supply normally passes through this corridor, the impact has extended well beyond the Middle East, affecting shipping costs, insurance premiums, and broader trade dynamics.

For Central Asia, the immediate effect has been the disruption of southern trade routes. Kazakhstan, which had been gradually expanding its economic engagement with Iran and viewing the country as a key transit link to the Persian Gulf and Indian Ocean, now faces reduced access through this corridor. The so-called “Southern Corridor,” long seen as one of the most efficient routes for Central Asian exports to reach global markets, has become increasingly unreliable. While this represents a clear setback, it is only one side of a more complex picture.

The more consequential development is the acceleration of a broader structural shift: the reordering of Eurasian connectivity around stability rather than geography. As traditional routes become riskier, alternative corridors are gaining importance. In this emerging landscape, Kazakhstan’s role is expanding.

The most significant beneficiary of this shift is the Trans-Caspian International Transport Route, commonly referred to as the Middle Corridor. Connecting China to Europe via Kazakhstan, the Caspian Sea, the South Caucasus, and Türkiye, this route had already gained relevance following Russia’s invasion of Ukraine. Cargo volumes have surged in recent years, increasing from around 0.8 million tons in 2020 to approximately 4.5 million tons in 2024 – a more than fivefold rise – with annual growth of over 60 percent in 2024 alone. Now, with both northern routes through Russia and southern routes through Iran facing disruption or heightened political risk, the Middle Corridor is moving from an alternative option to a strategic necessity. 

This dual disruption has created a powerful incentive for external actors to invest in east-west connectivity across Central Asia. The European Union, seeking to reduce dependence on Russian transit routes, has intensified its engagement in the region. China, facing growing uncertainty in its southern trade corridors, has additional motivation to strengthen overland routes through Kazakhstan. Meanwhile, Türkiye and the South Caucasus states are becoming increasingly central to these evolving logistics networks. 

For Kazakhstan, this translates into tangible strategic gains. Increased transit volumes, infrastructure investment, and political attention all reinforce its position as a key node in Eurasian trade. The country’s Caspian ports, including Aktau and Kuryk, stand to benefit from rising freight flows, while its rail infrastructure becomes more critical to intercontinental supply chains. What was once framed as an “alternative” route can now begin to be redefined as essential.

Energy markets highlight a similar dynamic. While the immediate effect of the war has been an increase in oil prices, the more important shift lies in how energy security is perceived. The disruption of Gulf exports has highlighted the vulnerability of supply chains concentrated in a single region. As a result, energy importers are placing greater emphasis on diversification – not only of suppliers, but also of transport routes.

In this context, Kazakhstan gains strategic relevance. As the largest oil producer in Central Asia, with output of roughly 1.7 million barrels per day, and accounting for around 80 percent of its crude exports via major international pipelines, it is already a significant player in regional energy markets. More importantly, Kazakhstan dominates global uranium supply, producing over 40 percent of the world’s output – by far the largest share of any single country. While it cannot replace Middle Eastern oil production, it offers a relatively stable and geographically diversified source of energy outside the Gulf. In an environment where around one-fifth of global oil supply is exposed to disruption in the Strait of Hormuz, Kazakhstan’s role becomes more strategically valuable as part of a broader risk mitigation strategy, particularly for Asian economies seeking to diversify both suppliers and transport routes.

This is especially significant for China. The current conflict has exposed the extent of Beijing’s reliance on maritime energy imports from the Gulf. Disruptions to shipping routes have reinforced the importance of overland connectivity, increasing the strategic value of Central Asia in China’s energy and trade calculations. Kazakhstan, already a central partner in China’s regional infrastructure initiatives, stands to benefit from this recalibration.

Beyond trade and energy, the war is also influencing how investors and governments assess regional stability. The Middle East is once again viewed as a high-risk environment, while Russia remains constrained by sanctions and geopolitical tensions. Against this backdrop, Central Asia – and Kazakhstan in particular – appears relatively stable.

This does not mean Kazakhstan is insulated from the effects of the conflict. On the contrary, the war has contributed to inflationary pressures, disrupted supply chains, and increased economic uncertainty across the region. Reduced trade through Iran has affected access to certain goods, while rising global prices can have long-term domestic implications. Iranian exports to Kazakhstan have included items such as petrochemicals, polymers, and fruits, while Kazakhstan has supplied grain and other agricultural goods. 

However, in relative terms, Kazakhstan benefits from what might be described as a “stability premium.” As capital and political attention shift away from more volatile regions, the country becomes a more attractive destination for investment, logistics development, and diplomatic engagement. Gulf states, facing their own vulnerabilities, may also seek to diversify economic partnerships, potentially increasing their engagement with Central Asia in areas such as agriculture, infrastructure, and finance.

At the same time, the risks should not be understated. The longer the conflict persists, the greater the likelihood that broader economic disruptions will outweigh localized gains. Prolonged volatility in energy markets, rising transport costs, and continued fragmentation of global supply chains could create headwinds for Kazakhstan’s economy, even as certain sectors benefit.

In this sense, Kazakhstan is best understood as a reluctant beneficiary of the Iran war. It gains not from the conflict itself, but from the systemic adjustments the conflict is forcing upon the global economy.

If the war leads to a sustained reconfiguration of trade routes and energy flows, Kazakhstan’s role as a connector state linking Europe and Asia is likely to grow. If, however, the conflict is resolved quickly and traditional routes are restored, some of these gains may prove temporary. As such, Astana’s priority is to navigate the conflict’s consequences – preserving stability while adapting to a rapidly changing geopolitical landscape.

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The conflict in Iran is already reshaping the global economy. Energy markets have been destabilized, key shipping routes have become riskier or closed, and trade flows across Eurasia are being recalibrated in real time. While the war is centered in the Middle East, its consequences are global and increasingly structural. For Kazakhstan, these shifts are also significant. The country faces new constraints on its external connectivity but also finds its strategic importance rising as alternative trade routes gain urgency.

At the center of this shift is the disruption of one of the world’s most critical chokepoints: the Strait of Hormuz. Since the escalation of hostilities, maritime traffic through the strait has been severely affected, with tanker flows reduced and global energy markets experiencing sharp volatility. Given that a significant share of global oil supply normally passes through this corridor, the impact has extended well beyond the Middle East, affecting shipping costs, insurance premiums, and broader trade dynamics.

For Central Asia, the immediate effect has been the disruption of southern trade routes. Kazakhstan, which had been gradually expanding its economic engagement with Iran and viewing the country as a key transit link to the Persian Gulf and Indian Ocean, now faces reduced access through this corridor. The so-called “Southern Corridor,” long seen as one of the most efficient routes for Central Asian exports to reach global markets, has become increasingly unreliable. While this represents a clear setback, it is only one side of a more complex picture.

The more consequential development is the acceleration of a broader structural shift: the reordering of Eurasian connectivity around stability rather than geography. As traditional routes become riskier, alternative corridors are gaining importance. In this emerging landscape, Kazakhstan’s role is expanding.

The most significant beneficiary of this shift is the Trans-Caspian International Transport Route, commonly referred to as the Middle Corridor. Connecting China to Europe via Kazakhstan, the Caspian Sea, the South Caucasus, and Türkiye, this route had already gained relevance following Russia’s invasion of Ukraine. Cargo volumes have surged in recent years, increasing from around 0.8 million tons in 2020 to approximately 4.5 million tons in 2024 – a more than fivefold rise – with annual growth of over 60 percent in 2024 alone. Now, with both northern routes through Russia and southern routes through Iran facing disruption or heightened political risk, the Middle Corridor is moving from an alternative option to a strategic necessity. 

This dual disruption has created a powerful incentive for external actors to invest in east-west connectivity across Central Asia. The European Union, seeking to reduce dependence on Russian transit routes, has intensified its engagement in the region. China, facing growing uncertainty in its southern trade corridors, has additional motivation to strengthen overland routes through Kazakhstan. Meanwhile, Türkiye and the South Caucasus states are becoming increasingly central to these evolving logistics networks. 

For Kazakhstan, this translates into tangible strategic gains. Increased transit volumes, infrastructure investment, and political attention all reinforce its position as a key node in Eurasian trade. The country’s Caspian ports, including Aktau and Kuryk, stand to benefit from rising freight flows, while its rail infrastructure becomes more critical to intercontinental supply chains. What was once framed as an “alternative” route can now begin to be redefined as essential.

Energy markets highlight a similar dynamic. While the immediate effect of the war has been an increase in oil prices, the more important shift lies in how energy security is perceived. The disruption of Gulf exports has highlighted the vulnerability of supply chains concentrated in a single region. As a result, energy importers are placing greater emphasis on diversification – not only of suppliers, but also of transport routes.

In this context, Kazakhstan gains strategic relevance. As the largest oil producer in Central Asia, with output of roughly 1.7 million barrels per day, and accounting for around 80 percent of its crude exports via major international pipelines, it is already a significant player in regional energy markets. More importantly, Kazakhstan dominates global uranium supply, producing over 40 percent of the world’s output – by far the largest share of any single country. While it cannot replace Middle Eastern oil production, it offers a relatively stable and geographically diversified source of energy outside the Gulf. In an environment where around one-fifth of global oil supply is exposed to disruption in the Strait of Hormuz, Kazakhstan’s role becomes more strategically valuable as part of a broader risk mitigation strategy, particularly for Asian economies seeking to diversify both suppliers and transport routes.

This is especially significant for China. The current conflict has exposed the extent of Beijing’s reliance on maritime energy imports from the Gulf. Disruptions to shipping routes have reinforced the importance of overland connectivity, increasing the strategic value of Central Asia in China’s energy and trade calculations. Kazakhstan, already a central partner in China’s regional infrastructure initiatives, stands to benefit from this recalibration.

Beyond trade and energy, the war is also influencing how investors and governments assess regional stability. The Middle East is once again viewed as a high-risk environment, while Russia remains constrained by sanctions and geopolitical tensions. Against this backdrop, Central Asia – and Kazakhstan in particular – appears relatively stable.

This does not mean Kazakhstan is insulated from the effects of the conflict. On the contrary, the war has contributed to inflationary pressures, disrupted supply chains, and increased economic uncertainty across the region. Reduced trade through Iran has affected access to certain goods, while rising global prices can have long-term domestic implications. Iranian exports to Kazakhstan have included items such as petrochemicals, polymers, and fruits, while Kazakhstan has supplied grain and other agricultural goods. 

However, in relative terms, Kazakhstan benefits from what might be described as a “stability premium.” As capital and political attention shift away from more volatile regions, the country becomes a more attractive destination for investment, logistics development, and diplomatic engagement. Gulf states, facing their own vulnerabilities, may also seek to diversify economic partnerships, potentially increasing their engagement with Central Asia in areas such as agriculture, infrastructure, and finance.

At the same time, the risks should not be understated. The longer the conflict persists, the greater the likelihood that broader economic disruptions will outweigh localized gains. Prolonged volatility in energy markets, rising transport costs, and continued fragmentation of global supply chains could create headwinds for Kazakhstan’s economy, even as certain sectors benefit.

In this sense, Kazakhstan is best understood as a reluctant beneficiary of the Iran war. It gains not from the conflict itself, but from the systemic adjustments the conflict is forcing upon the global economy.

If the war leads to a sustained reconfiguration of trade routes and energy flows, Kazakhstan’s role as a connector state linking Europe and Asia is likely to grow. If, however, the conflict is resolved quickly and traditional routes are restored, some of these gains may prove temporary. As such, Astana’s priority is to navigate the conflict’s consequences – preserving stability while adapting to a rapidly changing geopolitical landscape.

Alberto Frigerio is a professor of international relations at Narxoz University (Kazakhstan)

China-Central Asia trade

Kazakhstan-China relations

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