Poll: 73% of Americans view Iran as security threat amid nuclear concerns

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Amid a week of daily attacks between Middle Eastern juggernauts Israel and Iran, President Donald Trump has repeatedly drilled home a key point.
“IRAN CAN NOT HAVE A NUCLEAR WEAPON,” the president wrote on social media.
And speaking with reporters in the Oval Office at the White House, Trump highlighted, “I’ve been saying for 20 years, maybe longer, that Iran cannot have a nuclear weapon.”
It’s a stance U.S. presidents have taken for a couple of decades. And it appears most Americans agree with Trump and his presidential predecessors when it comes to the possibility of Iran acquiring nuclear weapons.
FOX NEWS POLL: VOTERS THINK IRAN POSES REAL THREAT TO U.S. SECURITY
President Donald Trump, in the Oval Office at the White House in Washington, D.C., on June 18, 2025, takes questions from reporters regarding the possibility of launching a military strike on Iran. (AP Photo/Alex Brandon) (AP Photo/Alex Brandon)
Nearly three-quarters (73%) of registered voters questioned in a new Fox News national survey said they think Iran poses a real security threat to the U.S. That’s a 13-point boost since Fox News last asked the question six years ago.
And the poll, conducted June 13-16, indicates wide support across the partisan spectrum. Majorities of Republicans (82%), Democrats (69%) and Independents (62%) agreed that Iran poses a threat.
The survey also showed that 78% of those questioned said they were very or extremely concerned about Iran obtaining a nuclear bomb. And eight in 10 said what happens in the Middle East does matter in the U.S.
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Daron Shaw, a veteran GOP pollster and the Republican partner on the Fox News poll, said that “the increased sense that Iran constitutes a threat is real, but it also reflects the unique timing and circumstances surrounding this poll.”
“The poll was in the field as images of Iranian missiles falling on Tel Aviv dominated television and the internet — the immediacy and clarity of the conflict undoubtedly contributes to how voters gauge what is at risk,” noted Shaw, who is also a politics professor and chair at the University of Texas.

A massive plume of smoke and fire rises from an oil refinery in southern Tehran following reports that an overnight Israeli strike targeted the site on June 15, 2025. (ATTA KENARE/AFP)
There was a similar response regarding the threat from Iran in a Ronald Reagan Institute national survey conducted earlier this month, before Israel’s initial attack last week sparked the daily bombardments by both nations.
Eighty-four percent of those questioned in the poll, which was shared first with Fox News, said preventing Iran from obtaining nuclear weapons matters to U.S. security and prosperity.
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Trump is weighing whether the U.S. should join Israel in striking Iran to cripple its nuclear program and prevent Tehran from acquiring nuclear weapons.
“President Trump doesn’t often get a political softball sent his way. His decision to support Israel’s attacks on the Islamic Republic of Iran and the prospective decision to deal a limited but decisive blow to Iran’s nuclear ambitions by striking the Fordow facility can prove to be political mana from heaven,” veteran political scientist Wayne Lesperance said.
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Lesperance, president of New England College, noted that “If the President makes the case clearly and firmly to the American people, polling data suggests he would enjoy support from his own party, Democrats and Independents. What’s more, Trump’s decision and subsequent action would crowd out any of the issues or coverage like immigration, the budget, or tariffs in the near term. Politically, a decision to act against Iran is smart politics.”
But Lesperance cautioned that “this all assumes that the attacks are successful. It also assumes Americans are tolerant of the repercussions of backlash over the threat of a nuclear-armed Iran.”
Fox News’ Dana Blanton and Victoria Balara contributed to this report.