The war that broke out between the United States, Israel, and Iran on February 28, 2026 sent shockwaves through global energy markets. For most oil-producing countries in the Middle East, the disruption is uncomfortable. For Iraq, it is existential. Iraq’s entire economy rests on crude oil exported through the Persian Gulf. It accounts for more than 90% of government revenues and more than half of its GDP. Unlike the Gulf monarchies, Iraq does not have a sovereign wealth fund or a stabilization fund that could help mitigate the impact of export disruption. This is a structural problem that has been known for decades, discussed at length in various policy dialogues, budget documents, and International Monetary Fund (IMF) consultations, but ignored in practice. The current crisis strips away any remaining ambiguity about what it means in human-terms: when the oil stops flowing, the state loses most of its fiscal resources. Iraq’s southern export corridor collapsed when Iran restricted shipping flows through the Strait of Hormuz in response to air attacks by the US and Israel. Basra’s export infrastructure handles more than 92% of Iraq's crude exports and stopped entirely between March 8 and April 2. No immediately viable alternative routes exist.

The Iraqi Pipeline in Saudi Arabia (IPSA) has been closed since 1990 and the Saudis are using the full capacity of its pipelines to move its own oil to the Red Sea. The Iraq-Syria Pipeline (ISP) has been out of commission since 2003. The Iraq-Jordan Pipeline (IJP) sought investors in 2014, but the project was sidelined because of the ongoing Islamic State of Iraq and Syria (ISIS) war and other political constrains. It was not revived after the conflict. Even if the ISP was functional or the IJP existed, Iraq has a bigger problem.

The Strategic Pipeline that once carried Basra crude north to Haditha, then Bayji, and onward to Ceyhan is largely dilapidated and cannot perform at any meaningful scale. Haditha would have been the key node to the ISP and IJP as well. What remains is a single functioning outlet: the Iraq-Turkey Pipeline (ITP), which carries oil from fields in the Kurdistan Region and Kirkuk to Turkey and the Mediterranean. The ITP is also constrained — by infrastructure and political bottlenecks — and currently transports about 250,000 bpd. That is roughly 7% of Iraq's pre-war export volumes. As a result, Iraq lost more than 81% of its oil exports in just one month, dropping from nearly 100 million barrels in February to 18.6 million barrels in March. Consequently, monthly oil revenues fell from 6.8 billion USD to a projected 1.9 billion USD. The figures that follow document this collapse in detail. They also place it in a longer-term context that deliver a blunt lesson: this is not an unprecedented shock that no one could have foreseen. It is the entirely predictable consequence of a structural dependence that successive governments chose not to address. The result of this enduring vulnerability is an acute crisis.

The numbers in Figure 1 are stark. Iraq exported 99.9 million barrels in February 2026. In March, during the war, that figure fell to 18.6 million — a decline of more than 81% within a single month. It makes visible what that means in structural terms: the entire collapse is attributable to the shutdown of Basra exports via the Strait of Hormuz, which had been the main corridor for over 92% of Iraq's total export flows. What Figure 1 ultimately reveals is a concentration risk of extraordinary severity. Iraq's export system has no meaningful redundancy. One corridor handles the overwhelming majority of the country's crude. When that corridor closes — for any reason, whether war, sanctions, infrastructure failure, or a political dispute — there is nothing to fall back on. The disruption of the strategic export route for Basra crude transformed a regional conflict into a fiscal catastrophe, as had been foreseen in numerous venues.

Figure 2 translates the export disruption into its fiscal consequences. Total oil revenues fell from 6.81 billion USD in February to a projected 1.93 billion USD in March, which is a decline of nearly 72%. In absolute terms, Iraq lost approximately 4.88 billion USD over a single month. Price dynamics during this war-related disruption deserve attention. The 82% of physical oil exports translated into nearly 72% of the revenue losses. This reflects a clear price-effect involving a wartime premium, with brent benchmark oil prices jumping from nearly 68 USD to above 100 USD. But these effects offer only partial relief. A price improvement means little when export volumes have fallen so much. Revenue is ultimately the product of both price and quantity. The daily revenue loss implied by these figures runs to approximately 160 million USD. To put that in context: Iraq's federal budget requires sustained oil revenues to cover the public sector wage bill alone, which represents a commitment of roughly $90 billion USD annually, as was spent during the 2025 fiscal year. At the current wartime run rate, annualized revenues would amount to around 23 billion USD or barely one quarter of what is needed to pay wages, pensions, and other expenditures of the state. The partial resumption of Basra tanker movements through the Strait of Hormuz has softened the blow relative to a complete shutdown, but the fiscal arithmetic remains deeply stressed. Without a full restoration of southern export capacity, Iraq faces mounting pressure on salary payments, public services, and debt obligations.

Figure 3 steps back from the immediate crisis to ask a harder question: is this a shock or is it a system behaving exactly as its structure predicts? The answer is the latter according to these numbers. Over the past twelve years, oil revenues have consistently accounted for between 85% and 95% of all government income, regardless of where oil prices were in the cycle. The dependency line barely moves. It is one of the most stable features of Iraq's entire macroeconomic profile — and the most dangerous. The chart makes clear that Iraq's non-oil revenue-base has not grown in any meaningful sense. It has fluctuated between 5 billion USD and 11 billion USD per year while total revenues swung from 45 billion USD to 119 billion USD depending on oil prices. Non-oil revenue, which includes taxes, customs, and income from state enterprises, is structurally inert. It has not expanded in line with population growth, GDP, or public spending commitments. In a country of 46 million people growing at 2.5% per year, this is not a marginal fiscal issue; It is a failing of economic governance. The periods of high oil revenue — 2018, 2019, and especially 2022 — presented genuine opportunities to invest in diversification, strengthen tax institutions, and build fiscal buffers. They were not taken as opportunity for reform. The 2023 federal budget, which was drawn up in the immediate aftermath of the 2022 revenue peak, was the largest in Iraq's history and was allocated overwhelmingly to recurrent spending, including wages, transfers, and subsidies. The structural dependency that Figure 3 documents was not just tolerated during good times — it was actively deepened.

Figure 4 widens the lens beyond government finances to show oil's role in the economy as a whole. Oil GDP has accounted for roughly half of Iraq's total output in every year since 2014, with the non-oil economy contributing the remainder in broadly flat fashion. The total GDP line — swinging from a low of 168 billion USD in 2016 to a peak of 289 billion USD in 2022 — tracks oil prices almost perfectly. The non-oil economy barely registers on the chart as an independent force. This matters for understanding the nature of Iraq's vulnerability. The exposure is not only fiscal, it is also structural. When oil revenues collapse, the knock-on effects run through the entire economy: government contractors go unpaid, public investment dries up, and consumer spending contracts. The state is the dominant economic actor because it employs more than 4 million people and accounts for the vast majority of capital expenditure. When its budget shrinks both public and private sector economic activity is suppressed. The non-oil GDP line tells its own story. It has grown from around 100 billion USD in 2014 to roughly 132 billion USD in 2025, representing modest absolute growth. However, this is largely explained by population expansion and public spending, rather than genuine private sector development. Agriculture, manufacturing, and services have not diversified away from the state-oil nexus. They remain dependent on it, both directly and indirectly. In that sense, Figure 4 is a picture of what an economy looks like when a decade of revenue windfalls fails to produce structural transformation.