Voters in the October 5, 2026, Reuters/Ipsos poll cited the cost of living as their top concern, driven by fuel-price inflation following the outbreak of the war with Iran that Trump launched in February

The armed conflict between the United States and Iran and the political fight it set off at home, from strikes and the naval blockade around the Strait of Hormuz to negotiations over Iran's nuclear program. Debated through war powers, munitions stocks and household costs.

Federal and state elections held midway through a presidential term, deciding control of Congress and many governorships. Turnout falls well below presidential years and the president's party usually loses ground, which makes them a standing referendum on the sitting administration.