This is a highly relevant and critical geopolitical question. Iran's financial support for its allied groups (often referred to as the "Axis of Resistance") is a cornerstone of its regional influence. If this financing were to abruptly dry up—whether due to internal economic collapse, a major shift in Iranian policy, or successful international sanctions enforcement—the consequences in Iraq would be immediate, multifaceted, and potentially destabilizing.

Here is an analysis of what would likely happen in Iraq if Iranian financing for these proxy groups were to cease:

---

1. Immediate Financial and Operational Shock

The first and most direct impact would be a severe financial shock to the groups that rely heavily on Iranian cash transfers (primarily hard currency like USD).

A. Loss of Operational Budget

Iranian funding covers a wide range of expenses beyond just weapons:

• Salaries: Many fighters (especially those in the more Iran-loyal factions of the PMF, like Kata'ib Hezbollah or Asa'ib Ahl al-Haq) receive supplementary salaries or direct payments from Iran. A cut would immediately impact the morale and loyalty of thousands of fighters.
• Social Services: Iranian-backed groups run extensive social welfare networks, clinics, schools, and religious institutions. These services are crucial for maintaining popular support and recruitment. Loss of funding would cripple these services.
• Propaganda and Media: The extensive media operations used to shape public opinion and recruit new members would suffer immediate cuts.

B. Shift to Self-Financing (Criminalization)

When external state funding disappears, armed groups rarely disband; they find new, often illicit, sources of income.

• Extortion and Taxation: Proxies would increase their reliance on local revenue generation, including "taxing" businesses, smuggling operations (fuel, goods), and controlling border crossings and ports. This would lead to increased friction with local populations and non-aligned political figures.
• State Capture: Groups would intensify efforts to seize control of lucrative state assets, ministries, and state-owned enterprises within Iraq to divert public funds directly into their coffers.
• Kidnapping and Organized Crime: A desperate need for cash could lead to an increase in high-level organized crime, including kidnappings for ransom, targeting both Iraqi and foreign entities.

2. Fragmentation and Internal Conflict

The loss of a central financial backer (Iran) would remove a key unifying force and intensify existing rivalries within the Iraqi security and political landscape.

A. Disintegration of the PMF

The Popular Mobilization Forces (PMF) is a massive umbrella organization. While some factions are deeply loyal to Iran (the Wilayat al-Faqih factions), others are loyal to Iraqi religious authorities (like the factions aligned with Grand Ayatollah Sistani) or local political leaders.

• Internal Power Struggles: The Iran-loyal factions would become financially weak and vulnerable. Other, better-funded factions (perhaps those tied to the Iraqi state budget or local political parties) would attempt to absorb or neutralize them, leading to infighting.
• Loss of Cohesion: The PMF's operational unity would likely collapse, turning it into a collection of disparate, localized militias competing for resources and territory.

B. Weakening of Political Influence

Iranian financing is crucial for the political wings of these groups (e.g., the Fatah Alliance). Money is used for campaigning, buying loyalty, and maintaining patronage networks.

• Electoral Decline: Financially weakened groups would lose their ability to compete effectively in elections, potentially shifting the balance of power in the Iraqi Parliament away from the most Iran-aligned blocs.
• Patronage Collapse: The ability to reward followers with jobs and contracts would vanish, leading to a rapid loss of political support and influence among their constituents.

3. Geopolitical and Security Shifts

The vacuum created by Iran's financial withdrawal would immediately be contested by other regional and international players.

A. Increased Role for the Iraqi State

If the Iran-aligned groups are weakened, the central Iraqi government and the official Iraqi Security Forces (ISF) would have a critical opportunity to reassert control over territories and state institutions currently dominated by the proxies.

• Centralization of Authority: The government could move to fully integrate or disband the most problematic PMF units, bringing their assets and personnel under strict state control.
• Reduced Regional Tension: Attacks against US interests and regional rivals (like Saudi Arabia or Israel) often orchestrated by the Iran-backed groups would likely decrease due to lack of resources and centralized command.

B. Competition from Other Regional Powers

Regional rivals would see an opportunity to fill the financial and political void:

• Gulf States: Saudi Arabia, the UAE, and Qatar might increase their political and economic engagement in Iraq, funding Sunni and moderate Shiite political groups to counter the lingering influence of Iran.
• Turkey: Turkey might increase its support for certain Iraqi factions, particularly in the north, to advance its own security and economic interests.

C. Potential for ISIS Resurgence

A sudden collapse or fragmentation of the PMF could create security gaps, particularly in the disputed territories between the Kurdish region and the central government.

• The PMF, despite its political motivations, has been a key force in suppressing ISIS remnants. If these forces fragment, the resulting chaos and security vacuum could provide fertile ground for ISIS to reorganize and launch new attacks, particularly if they can exploit the new inter-militia fighting.

4. Economic Consequences

While the elite's financial management in Iran is the cause of the funding cut, the effect in Iraq would be complex.

• Reduced Illicit Trade: The loss of Iranian capital and the weakening of the IRGC's networks would disrupt smuggling operations across the Iran-Iraq border, potentially improving the security of Iraq's official customs revenue.
• Increased Instability: The shift by proxies toward local extortion and crime would severely damage the investment climate and overall economic stability in the areas they control, hindering reconstruction efforts.

Summary of Outcomes

In short, the immediate effect would be destabilization through fragmentation and criminalization of the armed groups, followed by a long-term opportunity for the Iraqi state to consolidate power and reduce foreign influence, provided it can manage the initial security chaos.