Are Iran And Iraq Allies? Unpacking A Complex Relationship

Timmy Blanda 18 Jun 2025

The relationship between Iran and Iraq is a tapestry woven with threads of shared history, religious affinity, geopolitical strategy, and sometimes, stark divergence. To simply ask "are Iran and Iraq allies?" would be to overlook the profound complexities and shifting dynamics that define their bond. While at times they have acted as very close allies, particularly against common threats, their relationship is also characterized by Iran's significant influence within Iraq, raising questions about the true nature of their partnership. This article delves into the multifaceted layers of the Iran-Iraq relationship, exploring the historical context, the religious ties that bind them, their cooperation against shared adversaries, and the intricate web of influence that shapes their present and future. Understanding this dynamic is crucial for anyone seeking to comprehend the broader geopolitical landscape of the Middle East.

From bitter adversaries in a devastating war to strategic partners in a volatile region, the trajectory of Iran and Iraq's interactions is far from straightforward. Their alliance, when it exists, is often born out of necessity and shared interests, rather than a symmetrical balance of power. Iran, in particular, has meticulously cultivated its position within Iraq, transforming a post-Saddam landscape into a sphere of considerable influence. This deep dive will unravel the nuances of this critical regional bond.

A Shared History and Shifting Sands: From Adversaries to Allies?
The Unifying Force: Shi'ite Dominance and Religious Ties
The Fight Against a Common Enemy: ISIS and the Alliance of Necessity
Iran's Deepening Influence in Iraq: The Axis of Resistance
- Who are Iran’s Allies in Iraq? The Popular Mobilization Forces (PMF)
- The Strategic Corridor and Regional Ambitions
Navigating Setbacks and Shifting Dynamics
- Vulnerability and External Pressures
Beyond the Region: Iran's Global Allies and Diplomatic Maneuvers
- The Broader "Axis of Resistance" and its Future
The Nuance of Alliance: A Relationship of Influence, Not Equality
The Future of Iran-Iraq Relations: What Lies Ahead?

A Shared History and Shifting Sands: From Adversaries to Allies?

The question of "are Iran and Iraq allies?" can only be properly addressed by acknowledging their tumultuous past. For much of the late 20th century, these two nations were locked in a brutal and devastating conflict, the Iran-Iraq War (1980-1988), which claimed millions of lives and reshaped the region. This protracted conflict led Iran to seek strategic partnerships to bolster its defense capabilities against perceived threats, particularly from Iraq and its allies. As a result, Iran developed closer military ties with several nations to counter the Iraqi threat during that period. However, the fall of Saddam Hussein's regime in 2003 marked a pivotal turning point. With the removal of a shared autocratic Sunni adversary, the geopolitical landscape shifted dramatically. Iran, previously an enemy, found an opportunity to cultivate a new relationship with its neighbor, one based on shared religious identity and a mutual desire for stability, albeit on terms that often favored Tehran. This post-Saddam era allowed Iran to build considerable political clout in Iraq, transforming the dynamic from one of enmity to one of complex, often asymmetric, partnership.

The Unifying Force: Shi'ite Dominance and Religious Ties

One of the most fundamental reasons why Iran and Iraq are often seen as allies, or at least closely aligned, stems from their shared religious demography. The relationship between the two countries is strong in part because both governments are dominated by Shi'ite Muslims. Iran, as the world's only Shi'ite-majority state led by a clerical establishment, naturally finds common ground with Iraq's Shi'ite majority, which gained significant political power after the fall of Saddam Hussein. This shared sectarian identity provides a powerful, underlying current for cooperation and influence. The Islamic Republic has used these advantages to permeate Iraq’s political, security, economic, and religious spheres. This penetration is not merely superficial; it is deeply ingrained. Through religious pilgrimages, cultural exchanges, and direct support to Shi'ite political and religious figures, Iran has fostered a network of relationships that extend far beyond mere state-to-state diplomacy. This allows Tehran to exert influence through various channels, making it a formidable player in Iraq's domestic affairs. This religious commonality forms the bedrock upon which much of their alliance, however imbalanced, is built.

The Fight Against a Common Enemy: ISIS and the Alliance of Necessity

While their historical relationship was fraught with conflict, a new and existential threat forced Iran and Iraq into a pragmatic and undeniable alliance: the rise of the Islamic State (ISIS). When ISIS swept through large swathes of northern and western Iraq in 2014, threatening Baghdad and the Shi'ite holy cities, Iran was among the first to offer tangible support. Iran and Iraq are very close allies supporting each other against the Islamic State, a critical period that solidified their cooperation. Iran provided military advisors, weapons, and logistical support to Iraqi security forces and, crucially, to the newly formed Popular Mobilization Forces (PMF). This assistance was instrumental in turning the tide against ISIS. For both nations, the defeat of ISIS was a shared imperative, as the extremist group posed a direct threat to Iran's borders and its regional interests, as well as to Iraq's very sovereignty. This common enemy provided a powerful catalyst for their alliance, demonstrating their capacity for effective collaboration when faced with a grave threat. The experience of fighting ISIS side-by-side undoubtedly deepened operational ties and mutual reliance between certain factions within both countries.

Iran's Deepening Influence in Iraq: The Axis of Resistance

Beyond the immediate threat of ISIS, Iran's strategic vision for Iraq extends to its broader regional objectives, often termed the "Axis of Resistance." Iran has built considerable political clout in Iraq since the fall of Saddam Hussein’s regime, leveraging its religious and historical ties to establish a robust network of allies and proxies. This influence is not merely political; it is multi-faceted, permeating Iraq's security, economic, and even religious spheres. Iran’s support for Shia militias in Iraq enabled it to solidify its influence in the country and allowed Tehran to create a strategic corridor starting from Iran, passing through Iraq and Syria, and reaching the Mediterranean coast. This corridor is vital for Iran's strategic depth, allowing it to project power and supply its various regional allies. Its wide sphere of influence could be expanding, raising domestic tensions within Iraq and alarming the U.S. and its regional partners, who view this expansion as destabilizing. This strategic depth is a key reason why Iran continues to invest heavily in its relationship with Iraq, ensuring that Iraq remains a friendly, if not subservient, neighbor.

Who are Iran’s Allies in Iraq? The Popular Mobilization Forces (PMF)

When discussing who are Iran's allies in Iraq, the Popular Mobilization Forces (PMF), or Hashd al-Shaabi, stand out prominently. The PMF is an umbrella organization of primarily Shi'ite militias that formed in response to the ISIS threat. Iran’s key allies include some militias in Iraq including the Popular Mobilization Forces (PMF). These groups, many of which have strong ideological and financial ties to Tehran, played a crucial role in the fight against ISIS. The PMF in Iraq, with an estimated 200,000 fighters, remains formidable, representing a significant paramilitary force within the Iraqi state structure. While officially integrated into the Iraqi security forces, many PMF factions maintain close links to Iran's Islamic Revolutionary Guard Corps (IRGC) and its Quds Force. Groups like Kataib Hezbollah (Iraq's Kataib Hezbollah militia – a different group from Lebanon's Hezbollah) are prime examples of these Iran-aligned entities. These groups act as key instruments of Iranian influence, capable of exerting political pressure, conducting military operations, and even challenging the authority of the central Iraqi government when their interests diverge. Iran has invested heavily in a network of proxy allies across the Middle East, including Hamas in Gaza, Hezbollah in Lebanon, the Houthis in Yemen, and the Islamic Resistance in Iraq, which includes many PMF factions.

The Strategic Corridor and Regional Ambitions

The concept of a strategic corridor stretching from Tehran through Baghdad and Damascus to Beirut is central to understanding Iran's long-term regional ambitions and its alliance with various Iraqi factions. This land bridge facilitates the movement of goods, weapons, and personnel, enhancing Iran's ability to support its "Axis of Resistance" partners. This axis is a collection of non-state actors and state allies that Iran has cultivated over decades to counter Israeli and U.S. influence in the region. The presence of strong, Iran-aligned groups within Iraq is critical to maintaining this corridor. This explains why Iran has spent decades building its axis of resistance across the Middle East. While Iran's regional allies, such as Hezbollah and the PMF, face setbacks at times, the underlying infrastructure of this axis remains a core component of Iran's foreign policy. The strategic importance of Iraq within this framework means that Iran views a stable, friendly, and ideally compliant Iraq as essential to its regional security and power projection.

Navigating Setbacks and Shifting Dynamics

Despite the deep roots of Iran's influence in Iraq, the relationship is not without its challenges and periods of recalibration. The regional landscape is constantly shifting, and even strong alliances can face pressure. Iran has spent decades building its axis of resistance across the Middle East, but its allies have been largely silent since Israel launched a series of attacks recently, indicating a period of caution or strategic re-evaluation. Domestic political concerns within Iraq, as well as tough losses suffered in nearly two years of regional conflicts and upheavals, appear to have led these Iran allies to take a back seat in certain situations. This suggests a degree of pragmatism and a recognition of the costs associated with overt alignment with Iran's more aggressive regional policies. While Iran's allies in Syria, Gaza, and Lebanon have been weakened by various conflicts and pressures, it has others, and the network remains resilient, albeit perhaps less overtly active at certain junctures.

Vulnerability and External Pressures

The quietness of some of Iran's allies, particularly in Iraq, indicates a potential vulnerability. These compromises indicate that Iran’s allies in Iraq are feeling vulnerable, perhaps due to internal Iraqi political dynamics, economic pressures, or the threat of international sanctions and military action. This perceived vulnerability creates an opening for external actors. Washington, for instance, has a clear interest in reducing Iran's influence in Iraq and believes it should take advantage of this moment to permanently reduce the level of Iranian control in Iraq. This external pressure, combined with internal Iraqi nationalist sentiments that push back against foreign interference, can create friction within the Iran-Iraq relationship. While the core religious and strategic ties remain, the degree of overt alignment and the willingness of Iraqi factions to act solely in Iran's interest can fluctuate. This dynamic highlights that while Iran and Iraq are allies in many respects, particularly against common foes and due to shared religious identity, the alliance is not absolute and is subject to the complex interplay of regional and international forces.

Beyond the Region: Iran's Global Allies and Diplomatic Maneuvers

While the focus on "are Iran and Iraq allies" primarily centers on their bilateral and regional dynamics, it's also important to consider Iran's broader network of relationships, which indirectly impact its standing in Iraq. Iran's global allies provide a crucial layer of support and leverage. While Iran's regional allies, such as Hezbollah and the PMF, face setbacks, support from Pakistan and rhetorical backing from Russia and China remain significant. These global powers offer diplomatic cover, economic opportunities, and sometimes military cooperation, which strengthens Iran's overall position. Iran’s key global allies, Russia and China, have consistently condemned actions seen as hostile to Iran, such as Israeli strikes. Russia, for example, warned the United States not to take military action against Iran, underscoring the diplomatic shield these relationships provide. This international backing allows Iran greater flexibility in its regional policies, including its approach to Iraq. With the powers of the axis of resistance almost invisible in certain contexts, Iran looks at several nations with which it has maintained close ties, seeking to diversify its alliances and ensure its strategic resilience. This global dimension adds another layer to understanding how Iran projects its power and maintains its influence, including within Iraq.

The Broader "Axis of Resistance" and its Future

The "Axis of Resistance" is not solely dependent on Iraq, though Iraq is a crucial component. Iran has cultivated a diverse array of partners, including the Houthi movement in Yemen and various Palestinian groups like Hamas and Palestinian Islamic Jihad in the Gaza Strip. These relationships form a complex web designed to exert pressure on adversaries and secure Iran's regional interests. The future of this axis, and by extension the nature of the Iran-Iraq alliance, will depend on several factors: the evolving regional conflicts, the internal stability of Iraq, the effectiveness of U.S. and Israeli counter-strategies, and the continued support from global allies like Russia and China. The dynamic between Iran and Iraq is therefore not static. It is a constantly evolving relationship, influenced by internal Iraqi politics, regional conflicts, and the broader geopolitical chessboard. While religious ties and shared security concerns against threats like ISIS have cemented a strong bond, the inherent power imbalance and external pressures mean that the alliance is often one of Iranian influence rather than equal partnership.

The Nuance of Alliance: A Relationship of Influence, Not Equality

To definitively answer "are Iran and Iraq allies?" requires acknowledging the nuance. Yes, they are allies in a strategic sense, particularly against shared threats and due to deeply intertwined religious and political interests. However, it's not an alliance of equals. Iran exerts significant, almost pervasive, influence over Iraq's political, security, economic, and religious spheres. This influence is manifested through its strong ties with the Popular Mobilization Forces (PMF), its role in Iraqi politics post-Saddam, and its broader regional strategy of creating a strategic corridor. The relationship is characterized by Iran's ability to shape outcomes in Iraq, often through proxy groups and political maneuvering, rather than a symmetrical partnership based on mutual respect for sovereignty. While Iraq benefits from Iran's support in certain security contexts, particularly against groups like ISIS, it also grapples with the implications of this deep Iranian penetration on its own national sovereignty and domestic stability. The alliance is therefore functional and strategic, but it is deeply asymmetrical, with Iran consistently holding the upper hand in terms of influence and leverage.

The Future of Iran-Iraq Relations: What Lies Ahead?

The future of the Iran-Iraq relationship remains complex and subject to numerous variables. The underlying religious and historical ties will likely ensure continued engagement, but the nature of their alliance could evolve. Internal Iraqi political dynamics, including growing nationalist sentiments that seek to curb foreign influence, may lead to periods of friction. Economic challenges in Iraq could also create opportunities for other regional and international actors to increase their engagement, potentially diluting Iran's singular dominance. Furthermore, regional conflicts and the ongoing geopolitical competition between Iran and its adversaries (the U.S., Israel, and some Gulf states) will continue to shape their interactions. Should Iran's regional allies face further significant setbacks, or if Iran itself comes under increased international pressure, its ability to project influence in Iraq might be constrained. Conversely, any perceived threats to Iran's security could lead to an even deeper reliance on its Iraqi proxies and the strategic corridor. The bond between Iran and Iraq, while strong in its foundations, will continue to be a delicate balance between alliance, influence, and the pursuit of national interests in a perpetually volatile region.

Conclusion

The question of "are Iran and Iraq allies?" is best answered with a nuanced understanding: they are indeed allies in many critical respects, bound by shared Shi'ite identity and a common fight against threats like ISIS. Iran has skillfully leveraged these ties to build considerable political, security, and economic clout in Iraq since the fall of Saddam Hussein, establishing a strategic corridor and cultivating formidable proxy forces like the Popular Mobilization Forces (PMF). This deep influence allows Iran to project power across the Middle East, forming a crucial part of its "Axis of Resistance." However, this alliance is not one of equals; it is characterized by Iran's significant, often dominant, influence within Iraq. While their cooperation has been vital for regional stability at times, it also raises concerns about Iraqi sovereignty and internal tensions. The relationship is constantly evolving, influenced by regional conflicts, internal Iraqi dynamics, and the strategic maneuvering of global powers like Russia, China, and the United States. As the Middle East continues to navigate its complex geopolitical landscape, the intricate and often asymmetrical alliance between Iran and Iraq will remain a pivotal factor, shaping the region's security and political future. We hope this comprehensive analysis has shed light on the intricate relationship between Iran and Iraq. What are your thoughts on their alliance and its implications for regional stability? Share your perspectives in the comments below, or explore other articles on our site for more insights into Middle Eastern geopolitics.

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