Poll: Most Americans oppose war in Iran, but most Republicans support it

Summary of Poll: Most Americans oppose war in Iran, but most Republicans support it

by NPR

24m•March 9, 2026
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Overview of Poll: Most Americans oppose war in Iran, but most Republicans support it

This NPR Politics Podcast episode (hosts Miles Parks, Tamara Keith, and Domenico Montenaro) reviews a new NPR/PBS NewsHour/Marist poll taken during the first week of U.S. bombing in Iran. The poll finds a majority of Americans oppose the military action, but support is heavily polarized: a large share of Republicans back the war and the president’s handling of it. The conversation connects the polling to presidential messaging, demographic splits, potential political consequences (including midterms), and early human and economic costs.

Key findings from the poll

  • 56% of Americans oppose the military action in Iran.
  • 36% approve of President Trump’s handling of the Iran situation.
  • 55% say Iran poses only a minor threat or no threat at all.
  • More than 80% of Republicans approve of military action in Iran; 79% of Republicans approve of Trump’s handling.
  • Poll timing: conducted during the first week of U.S. military strikes.

Demographic breakdowns that stand out

  • Young adults (18–29): nearly two-thirds oppose the military action.
  • Older voters (60+): a slim majority (51%) oppose the intervention.
  • Independents: low support—only ~38% back the action.
  • Education and race splits among whites:
    • Whites with college degrees: 61% opposed.
    • Whites without college degrees: 53% in support.
  • Gender and other subgroup splits were noted but not fully quantified.

Notable quotes and presidential messaging

  • Trump repeatedly described the conflict as an “excursion” (used three times in one Q&A).
  • He insisted he wants “unconditional surrender” and has suggested the U.S. could “pick the leader” for Iran.
  • On consequences, Trump said he wasn’t worried about rising gas prices and framed the action as removing “a major, major cancer.”
  • The hosts repeatedly used the term “baked in” to describe how polarization locks in support or opposition tied to views of Trump rather than specifics of the action.
  • Trump’s domestic messaging: pushing the SAVE Act (proof-of-citizenship voter registration) and saying he won’t sign other bills until it passes; he has also said “Democrats can only win if they cheat,” foreshadowing election-rule messaging.

Human and economic consequences highlighted

  • Casualties: seven American service members have been killed in retaliatory attacks (as of the poll period); the hosts note more deaths could occur.
  • Economic ripple effects: gas prices rose more than 40 cents per gallon for regular gas during the week; the stock market saw a sharp drop (transcript cited the Dow falling from about 49,000 to 47,000 in a short span).
  • Hosts emphasized that American deaths and deploying boots on the ground would be the likeliest triggers to shift public opinion.

Political implications

  • Polarization: Republicans largely back the president; Democrats and many independents oppose the action. That split mirrors broader approval for Trump.
  • Midterms: While Trump isn’t on the ballot, rising gas prices, market declines, and public perception that the president is focused on the “wrong priorities” could hurt Republican candidates in swing districts and vulnerable Senate seats.
  • Retirements and competitive seats: Cook Political Report has signaled some Republican seats shifting toward more competitive—another warning sign for GOP prospects.
  • Trump’s incentives: hosts argue Trump may prioritize legacy and foreign-policy achievements even if domestic approval isn’t high; however, market and economic pain could force him to seek an “off-ramp.”

What could change public opinion

  • Increased American casualties (especially if ground troops are deployed).
  • Attacks on U.S. soil or significant escalation (“mission creep”).
  • Clear, persuasive case from the administration explaining why the intervention was necessary and what success looks like—hosts criticized the White House for not “building the case” or preparing the public for sacrifice.
  • A demonstrable positive outcome in Iran (e.g., a better regime or stability) might make some swing voters re-evaluate, but the hosts are skeptical this is likely.

Takeaways / What to watch next

  • Track casualty counts and any decision to deploy ground troops—those are the most likely inflection points for public opinion.
  • Monitor gas prices and the stock market; sustained economic pain could materially affect political dynamics ahead of midterms.
  • Watch independent and suburban voter attitudes, particularly in swing districts and key Senate states.
  • Follow messaging from the White House: whether it shifts to domestic economic appeals (scheduled speeches, e.g., Ohio visit) or doubles down on election-rule priorities (SAVE Act).
  • Observe retirements and changes in competitive seat ratings—these signal downstream impact on congressional control.

Bottom line

The poll shows a clear national opposition to the Iran military action even as Trump’s core supporters remain strongly behind him. The conflict’s political consequences will depend less on initial partisan splits and more on whether the war escalates (American deaths/boots on the ground), whether economic effects persist, and whether the administration can successfully explain and justify the intervention to swing and independent voters.