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Voters doubt a peace deal will keep Iran from developing nuclear weapons, according to the latest Fox News poll.
Sixty-four percent say it’s unlikely a peace agreement with the U.S. will stop Iran from pursuing nukes, including more than half of Republicans (53%), independents (69%), and Democrats (73%). Today’s views match those in 2015, when the Obama administration made a deal with Iran, as 63% of voters at that time also said it was unlikely an agreement would stop Iran from building a nuclear program.
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Most of the survey was completed before the Trump administration announced Monday the U.S. had signed a memorandum of understanding with Iran which included a reopening of the Strait of Hormuz and a 60-day ceasefire.
Meanwhile, 58% think the U.S. made the wrong decision in taking military action against Iran in February, while 41% believe it was the right call. More Democrats say it was the wrong decision (84%) than Republicans believe it was the right one (75%).
Voters who think the U.S. made the right decision in taking military action are twice as likely as those who say it was wrong to think a peace deal will stop Iran (50% vs. 25%).
Seventy-six percent of voters think it is important to end Iran’s nuclear program, while a larger 87% says it’s important to avoid a long-term conflict. On both measures, importance is up 7 percentage points since earlier this year. Nearly 9 in 10 Democrats, Republicans, and independents say it is important to avoid a prolonged conflict.
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Concern about tensions with Iran turning into a long-term U.S. military commitment is also widespread, with 70% saying they are extremely or very worried, including large numbers of Democrats (82%) and independents (74%), as well as more than half of Republicans (56%).
Sixty-four percent of voters disapprove of the job President Donald Trump is doing handling Iran, steady since March. Republicans largely approve (70%), while most independents (78%) and an overwhelming majority of Democrats disapprove (92%).
“We know from past data and research that voters’ attitudes on foreign policy matters are shaped by what their partisan elites tell them,” says Republican pollster Daron Shaw, who conducts the Fox News Poll with Democratic counterpart Chris Anderson. “But we also know support for any engagement declines over time, as treasure and blood are expended. There’s pressure on the president to finish in Iran before GOP solidarity breaks down.”
Beyond Iran, voters favor the United States continuing to provide financial aid to Ukraine in its fight against Russia, even as fewer believe the war matters to life in the U.S.
Overall, 59% support the U.S. continuing to help Ukraine with funding, mostly unchanged for the past two years. And 67% think what happens in the Russia-Ukraine conflict makes a difference to things here at home, down from a high of 85% back in early 2022 when the war first started.
By a 13-point margin, more Democrats (75%) than Republicans (62%) think Ukraine matters to the U.S., and by a 22-point spread, more Democrats (72%) than Republicans (50%) favor U.S. continuing aid for the Ukrainian fight against Russia.
Voters overall are divided on who is currently winning the war: 48% say Ukraine and 48% Russia. More Democrats (56%) think Ukraine is winning, while more Republicans (53%) and independents (55%) say Russia.
In the Middle East, a small majority continues to side more with the Israelis (54%) than the Palestinians (42%). The number supporting the Israelis remains largely unchanged since 2025, but down from a high of 68% in late 2023. Currently, 77% of Republicans side with the Israelis, while 62% of Democrats side with the Palestinians and independents split (48% Israelis, 45% Palestinians).
Most voters continue to view developments in the Middle East as relevant to life in the U.S. Three quarters, 77%, say events in the region matter, down from 81% a year ago.
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The survey also finds voters have mixed views on the use of military force against suspected drug trafficking boats (52% favor, 48% oppose), while a majority opposes using the U.S. military to bring about regime change in Cuba (35% favor, 64% oppose).
Conducted June 12-15, 2026, under the direction of Beacon Research (D) and Shaw & Company Research (R), this Fox News survey includes interviews with a sample of 1,002 registered voters randomly selected from a national voter file. Respondents spoke with live interviewers on landlines (101) and cellphones (644) or completed the survey online after receiving a text (257). Results based on the full sample have a margin of sampling error of ±3 percentage points. Sampling error for results among subgroups is higher. In addition to sampling error, question wording and order can influence results. Weights are generally applied to age, race, education, and area variables to ensure the demographics are representative of the registered voter population. Sources for developing weight targets include the most recent American Community Survey, Fox News Voter Analysis, and voter file data.
Fox News’ Victoria Balara contributed to this report.
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