UNHCR warns of growing humanitarian emergency as internal displacement surpasses 3 million in less than two weeks of conflict
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The UN refugee agency tracking internal displacement in Iran and coordinating protection for Afghan refugee populations caught in the conflict zone.
The IFRC launched a 40-million-franc emergency appeal targeting five million people across thirty Iranian provinces over sixteen months.
Iran's primary domestic humanitarian responder, operating 529 branches across 197 cities with over 6,500 staff and volunteers.
The IEA coordinated the largest oil reserve release in history—400 million barrels—after Iran's closure of the Strait of Hormuz disrupted roughly 20 million barrels per day of global oil transit.
The UN refugee agency reported that up to 3.2 million people—600,000 to one million households—had been displaced within Iran in thirteen days of conflict, mostly fleeing Tehran and other cities for northern and rural areas. The agency warned the figure would continue rising.
Mojtaba Khamenei issued his first written public address as Supreme Leader, vowing to maintain the closure of the Strait of Hormuz. Oil prices climbed back above $100 per barrel.
The International Energy Agency authorized its member countries to release 400 million barrels of strategic oil reserves—the largest coordinated release in history—in response to the Strait of Hormuz closure. The US would contribute 172 million barrels.
The Security Council adopted Resolution 2817 condemning Iran's retaliatory attacks on Gulf neighbors, passing 13-0 with China and Russia abstaining. The resolution did not address the US-Israeli strikes that initiated the conflict. Russia called the text "extremely unbalanced."
A strike on or near a girls' school in Minab killed at least 165 people, many of them children. The incident drew international condemnation, and over 40 US senators pressed Defense Secretary Pete Hegseth for an explanation.
Strikes near Isfahan damaged the historic Naqsh-e Jahan Square complex, a UNESCO World Heritage Site, drawing concern from cultural preservation organizations.
Iran's Assembly of Experts selected Mojtaba Khamenei, 56-year-old son of the slain Supreme Leader, as his successor. He had never held elected office but had deep ties to the IRGC.
The International Federation of Red Cross and Red Crescent Societies launched its emergency appeal to support five million people across thirty Iranian provinces, deploying over 2,100 response teams.
A combination of strikes on telecommunications infrastructure and government-imposed restrictions reduced Iran's internet connectivity to roughly one percent of normal levels, cutting off millions from communication and information.
Iran announced the closure of the Strait of Hormuz, a chokepoint through which roughly 20 million barrels of oil pass daily, and began attacking commercial shipping.
The Iranian Red Crescent Society reported more than 600 civilians killed in the first four days of strikes. A separate human rights organization estimated 742.
Iran launched retaliatory strikes against US bases and assets in the United Arab Emirates, Qatar, Kuwait, Bahrain, Jordan, Saudi Arabia, Turkey, and other countries. Roughly 100,000 people fled Tehran in the first two days.
The United States (Operation Epic Fury) and Israel (Operation Roaring Lion) launched nearly 900 strikes in the first twelve hours, targeting missile sites, air defenses, military facilities, and leadership compounds. Supreme Leader Ali Khamenei was killed in the opening attack.
President Trump warned during his State of the Union address that the US was prepared to act against Iran's nuclear ambitions.
Mass protests broke out over economic collapse, including currency depreciation, inflation, and shortages. The Iranian government responded with lethal force, with estimated death tolls ranging from 7,000 to over 36,000.
Israel struck Iranian nuclear facilities after the International Atomic Energy Agency reported Iran had acquired enough enriched uranium for nine nuclear warheads. The twelve-day conflict destroyed significant Iranian military infrastructure.
Discussed by: UNHCR assessments, The New Humanitarian, humanitarian analysts
If hostilities persist at their current intensity, the displacement rate of roughly 250,000 people per day could push the total well past 10 million within weeks. Iran's population of 88 million is heavily urbanized, with Tehran alone home to nearly 10 million. Continued strikes on urban infrastructure—hospitals, power, water, telecommunications—could trigger a second wave of displacement from mid-sized cities that have so far been secondary targets. The UNHCR's 85 percent funding gap would make a response at that scale extremely difficult to mount.
Discussed by: Turkey's Interior Ministry, UNHCR, Carnegie Endowment analysts
Turkey has fortified its 560-kilometer border with Iran using 380 kilometers of concrete walls and 203 optical towers, and has prepared contingency plans including tent camps. So far, cross-border flows at the Kapikoy crossing remain roughly balanced at around 2,000 per day in each direction. But a sustained conflict or ground invasion could overwhelm border controls. Iraq and Pakistan, which border Iran's less-fortified east and west, could see larger uncontrolled flows, particularly of Afghan refugees who face barriers to staying in Iran and returning to Afghanistan.
Discussed by: Trump administration officials, diplomatic analysts, Gulf state mediators
President Trump characterized the conflict as a "short-term excursion" and predicted it would end "very soon." If a ceasefire or significant de-escalation occurs within days, the majority of the 3.2 million displaced—who are temporarily sheltering with relatives or in rural areas—could begin returning home. However, the destruction of civilian infrastructure, particularly hospitals and water systems, would make some areas uninhabitable for months even after fighting stops.
Discussed by: ICRC, Doctors Without Borders, UN Special Rapporteurs
Iran's near-total internet blackout has already reduced the country's connectivity to roughly one percent of normal. If international humanitarian organizations are denied or unable to maintain access—due to continued strikes, Iranian government restrictions, or infrastructure collapse—the displacement crisis could worsen dramatically without outside visibility. The precedent of Yemen, where years of conflict produced a humanitarian catastrophe with limited international attention, is frequently cited by aid organizations as the outcome to prevent.
NATO's 78-day bombing campaign against Yugoslavia triggered one of the fastest mass displacements in post-Cold War history. Over 1.3 million ethnic Albanians were displaced—roughly 285,000 crossed into Albania in the first two weeks alone. Refugee camps in Albania and North Macedonia were overwhelmed within days.
The UNHCR faced severe criticism for being unprepared for the speed of displacement. Emergency camps were erected across the region, and NATO countries accepted tens of thousands of refugees.
The Kosovo crisis reshaped international humanitarian response planning. The UNHCR overhauled its emergency preparedness systems, and the speed-of-displacement metric became a standard planning variable.
Iran's displacement rate—roughly 250,000 per day—exceeds even Kosovo's peak. The parallel illustrates how aerial campaigns against urban infrastructure can generate displacement faster than humanitarian systems can respond, and how the gap between military planning and humanitarian preparation creates compounding crises.
The US-led invasion of Iraq in March 2003 initially displaced hundreds of thousands from Baghdad and Basra. By 2008, an estimated 2.8 million Iraqis were internally displaced and another 2 million had fled to Syria and Jordan. The displacement accumulated gradually as sectarian violence spread following the initial invasion.
Neighboring countries, particularly Syria and Jordan, absorbed millions of Iraqi refugees, straining their own infrastructure and economies. The humanitarian response was chronically underfunded.
Iraq's displacement crisis persisted for over a decade. Many displaced families never returned. The experience demonstrated that military operations can set displacement trajectories that continue long after active hostilities end.
Iran's displacement has already surpassed Iraq's initial phase in under two weeks. The Iraq parallel highlights the risk that even a short conflict can produce displacement that outlasts the fighting, particularly when civilian infrastructure—hospitals, water, electricity—is destroyed rather than merely disrupted.
A Saudi-led coalition began airstrikes against Houthi forces in Yemen in March 2015, targeting military and civilian infrastructure. Over a decade, the conflict displaced 4.5 million Yemenis internally—roughly 12 percent of the population. A naval blockade restricted food and fuel imports, contributing to what the UN called the world's worst humanitarian crisis.
Hospitals and water systems were systematically degraded. Cholera outbreaks infected over 2.5 million people. Famine conditions spread across multiple provinces.
Yemen became a cautionary example of how prolonged aerial campaigns combined with infrastructure destruction and blockades produce humanitarian catastrophes that receive diminishing international attention over time.
The parallels between Yemen and Iran are structural: aerial campaigns targeting infrastructure, blockade of critical supply routes (Strait of Hormuz versus Yemeni ports), degradation of medical facilities, and a near-total information blackout. Humanitarian organizations have explicitly cited Yemen as the outcome they are trying to prevent in Iran.
