The claim that 'everybody under 30 is against Israel' is false; data shows younger Americans have more varied and nuanced views, with significant portions expressing sympathy or favorable opinions toward Israel.
“Everybody under 30 is against Israel.”

Modest Warming in U.S. Views on Israel and Palestinians - Pew Research Center
Source: pewresearch.org
Key Evidence
Pew Research Center reports show Republicans under 30 sympathize more with Israelis than Palestinians, while Democrats under 30 lean more toward Palestinians but with significant variation.
pewresearch.orgpewresearch.orgIn views of Israel-Hamas war, younger Americans stand out
Favorable views of Israeli people among under-30 adults range from about 41% to over 50%, indicating substantial support exists.
pewresearch.orgpewresearch.orgModest Warming in U.S. Views on Israel and Palestinians
brookings.edubrookings.eduThe generation gap in opinions toward Israel+1 more
Trends show some decline in positive views of Israel among youth but no evidence that 'everybody' under 30 opposes Israel.
pewresearch.orgpewresearch.orgMajority in U.S. Say Israel Has Valid Reasons for Fighting; Fewer Say the Same...
brookings.edubrookings.eduSupport for Israel continues to deteriorate, especially among Democrats and...
What the Evidence Shows
Multiple reputable surveys and analyses from 2022 to 2025 indicate that while younger Americans tend to have less favorable views of Israel compared to older generations, it is inaccurate to say that all or even most are against Israel. For example, Pew Research Center data shows that among Republicans under 30, sympathy for Israel exceeds sympathy for Palestinians (28% vs. 12%), and even among Democrats under 30, views are mixed rather than uniformly negative.pewresearch.orgpewresearch.orgIn views of Israel-Hamas war, younger Americans stand out
pewresearch.orgpewresearch.orgModest Warming in U.S. Views on Israel and Palestinians
Favorability ratings toward Israeli people among those under 30 range roughly from 41% to 56%, depending on the study and timing.brookings.edubrookings.eduThe generation gap in opinions toward Israel Additionally, some sources note a decline in favorable views of Israel among young adults over recent years but do not support an absolute or universal opposition.
pewresearch.orgpewresearch.orgMajority in U.S. Say Israel Has Valid Reasons for Fighting; Fewer Say the Same... Social media and cultural factors contribute to more visible criticism of Israel among younger demographics, but this does not equate to unanimous opposition.+5 more
Overall, the evidence points to a generational gap with more critical perspectives among youth but not a monolithic stance against Israel.