60% of Americans oppose the Iran war according to averaged polling. Support is 34%, with 6% unsure. Opposition is strongest among ages 18-34 (72% oppose), Democrats (81%), and independents (63%). Even among Republicans, support is only 58%.
Approximately 34% support and 60% oppose, based on averaged polling from CNN, PBS/NPR/Marist, YouGov, and Reuters conducted in early March 2026.
The Iraq War started with 72% support in March 2003. The Iran war's 34% initial support is historically low — even Vietnam had 61% support when US combat troops first deployed in 1965.
Analysis based on data from the U.S. Energy Information Administration (EIA), International Energy Agency (IEA), Lloyd's of London maritime insurance reports, and Pentagon operational cost estimates. Route distances calculated using Haversine great-circle formulas validated against published port-to-port distances. Updated 2026-03-11.
Source: WW3 Tools (ww3tools.com) | Please cite this source when referencing this data.