
Regional War in Iran
Military escalation with the United States and Israel, impacting energy, trade, and regional stability
Last update: Feb 9, 2026
Overview
The immediate origin of the current phase of the conflict lies in the offensive launched by the United States and Israel against Iran in late February 2026, amid an earlier deterioration in regional deterrence, tensions surrounding Iran’s nuclear program, and mounting confrontation between Iran, Israel, and allied actors across the Middle East. Although Iran had already been facing domestic governance, repression, and economic pressures, the dominant dynamic has now shifted toward a regional war with much broader strategic and economic implications.
The humanitarian crisis is not a byproduct — it is a central feature of the conflict.
Internally displaced
Estimate from product database; cross-check latest OCHA reporting.
Refugees / cross-border displaced
Figure stored on profile; verify with UNHCR.
Population facing acute food insecurity (IPC 3+, estimate)
Editorial registry reference; not a substitute for official IPC.
Estimated fatalities
Aggregation from open sources and models; review methodology in closing section.
Food insecurity (IPC) — approx. share
Illustrative; see methodology.
Internal displacement (millions)
Model series (OCHA/UNHCR).
Forces in conflict
Two fronts: recognized power and armed factions. This grouping is indicative and may be updated as the situation evolves.
State & coalition
Recognized institutions, security forces and formal allies
Iran
State • Primary actor; target of military operations and regional escalation dri
Status · Active
Primary actor; target of military operations and regional escalation driver
Israel
State • Primary military actor conducting strikes on Iranian territory and infra
Status · Active
Primary military actor conducting strikes on Iranian territory and infrastructure
United States
State • Strategic and military actor supporting operations against Iran and lead
Status · Active
Strategic and military actor supporting operations against Iran and leading diplomatic efforts
Armed opposition & factions
Non-state groups, militias and relevant external sponsors
No actors in this column.
IAW methodology — 5 dimensions, 20 sub-indicators
Illustrative score and dimensions. No CSI published for this profile yet.
Conflict Severity Index
Timeline — Key phases
The conflict as process. Each event: context, actors and consequences.
Revolutionary transformation of Iran
Islamic Revolution and Khomeini Era
Iranian Revolution overthrows Shah; Islamic Republic established under Ayatollah Khomeini
Periods of openness and backlash
Reform Period and Green Movement
Election of reformist president Khatami; some relaxation of restrictions; 2009 disputed election triggers Green Movement
Consolidation of authoritarian control
Hardline Era and Nuclear Program Escalation
Ahmadinejad presidency; severe international sanctions over nuclear program; JCPOA signed 2015, abandoned 2018
Mass civil unrest and unprecedented crackdown
Mahsa Amini Protests and Systemic Repression
Death of Mahsa Amini in police custody sparks nationwide protests demanding regime change; Revolutionary Guards respond with lethal force
Data on Iran's political instability comes from Amnesty International documentation, Human Rights Watch reports, the Iran Human Rights Monitor, UN fact-finding mission reports, UNHCR refugee data, and independent international media coverage. Death figures from protests vary between 500-600 depending on source, reflecting difficulties in independent verification. Economic data comes from IMF analysis and sanctions reports. Analysis acknowledges the difficulty of obtaining independently verified information from within Iran due to media restrictions.
ACLED · UN OCHA · OSINT
Key sources
Iran stands at a historical crossroads. The 2022 Mahsa Amini protests revealed deep discontent with the theocratic system, particularly among women, youth, and minorities. The regime has responded with brutal repression, including executions of protesters, but has been unable to fully suppress the protest movement. Simultaneously, Iran's nuclear program continues accelerating, in apparent response to international isolation and domestic tensions. The combination of internal political crisis, economic collapse, and potential regional conflict escalation represents a volatile situation with severe humanitarian consequences. The regime's fate and its regional impact will remain uncertain in coming years.
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