Washington, DC – A new poll from the research firm Gallup suggests that only 32 percent of Americans approve of Israel’s military action in Gaza, a 10-point drop from September 2024, as anger over atrocities against Palestinians continues to rise.

The survey, released on Tuesday, also showed an enormous partisan divide over the issue. Seventy-one percent of respondents who identified as members of the Republican Party said they approve of Israel’s conduct, compared with 8 percent of Democrats.

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Overall, 60 percent of respondents said they disapprove of Israel’s military action in Gaza.

Shibley Telhami, a professor at the University of Maryland and the director of the Critical Issues Poll, said the latest survey shows a trend of growing discontent with Israel that goes beyond the war on Gaza.

“What we’re seeing here is an entrenchment of a generational paradigm among particularly young Americans – mostly Democrats and independents, but even some young Republicans – who now perceive the horror in Gaza in a way of describing the character of Israel itself,” Telhami told Al Jazeera.

In Tuesday’s survey, only 9 percent of respondents under the age of 35 said they approve of Israel’s military action in Gaza, and 6 percent said they have a favourable opinion of Israeli Prime Minister Benjamin Netanyahu.

The study follows an April poll from the Pew Research Center, which found a majority of respondents – including 50 percent of Republicans under 50 years old – said they had unfavourable views of Israel.

But even as public opinion in the US continues to shift, Washington’s policy of unconditional support for Israel has been unwavering. Since the start of the war on Gaza, the US has provided Israel with billions of dollars in military aid, as well as diplomatic backing at the United Nations.

Both President Donald Trump and his predecessor, Joe Biden, have been uncompromising backers of the Israeli assault on Gaza, which human rights groups have described as a genocide.

Israel has killed more than 60,000 Palestinians in Gaza, imposed a suffocating siege and flattened most of the enclave, reducing its buildings to rubble. The siege is credited with prompting deadly hunger: The UN on Tuesday said there was “mounting evidence of famine and widespread starvation”.

Nevertheless, the US Congress also remains staunchly pro-Israel on a bipartisan basis. Earlier this month, a legislative push to block $500m in missile defence support for Israel failed in a 422-to-six vote in the House of Representatives.

So, what explains the schism between the views of average Americans and the policies of their elected representatives?

Telhami cited voter “priorities”. He explained that foreign policy traditionally has not been a driving factor in elections. For example, domestic issues like abortion, the economy and gun control usually dominate the electoral agenda for Democrats.

He also noted the influence of pro-Israel groups, like the American Israel Public Affairs Committee (AIPAC), which have spent millions of dollars to defeat critics of the Israeli government, particularly progressives in Democratic primaries.

But things are changing, according to the professor.

Palestine is rising in public importance, he said, with US voters looking at the issue through the lens of “soul-searching”, as a way of questioning what they stand for.

“It’s not just Gaza. It’s that we are enabling the horror in Gaza as a country – in terms of our aid or support or, even in some cases, direct collaboration,” Telhami said.

“That it is actually creating a paradigmatic shift about who we are, not just about: ‘Do we support Israel? Do we support the Palestinians?'”

He said the victory of Palestinian rights advocate Zohran Mamdani in New York City’s Democratic mayoral primary last month underscores that movement.

“The rise of Zohran Mamdani in New York is giving people pause because he’s been able to generate excitement, not, as some people thought, despite his views on Israel-Palestine, but actually because of his views on Israel-Palestine.”