Study Examined 9/11 Conspiracy Beliefs

A new survey tracked perspectives on the September 11 attacks among diverse demographic cohorts in the United States.

Updated on Sept. 27, 2026 in Islam

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A new survey from the Jerusalem Center for Security and Foreign Affairs analyzes shifting American public perspectives regarding responsibility for the September 11 attacks. AI Illustration. Upload story photo >

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The Jerusalem Center for Security and Foreign Affairs released a survey exploring public perception of responsibility for the 9/11 attacks. Researchers gathered data from Muslim American, non-Muslim, and general population cohorts to analyze views twenty-five years after the event.

Why it matters

The study aimed to provide insight into how public opinion regarding the 2001 attacks has shifted across religious and generational lines over the last quarter-century. Understanding these variations helps illustrate the complexity of historical memory in the United States.

The study surveyed 416 Muslim Americans and 429 non-Muslims to measure beliefs about the 9/11 attacks. Results indicated that 27.40% of Muslim Americans attributed responsibility to Zionists or Israel, while 18.51% cited the US government or CIA.

The players

Dr. Irwin J. Mansdorf

He is the researcher who conducted this study on public perceptions of the September 11 attacks.

Jerusalem Center for Security and Foreign Affairs

This is the research organization that released the survey regarding 9/11 conspiracy theories.

The details

Dr. Irwin J. Mansdorf conducted the research, which included a general population cohort of 513 respondents. Among adults under age thirty, 40% identified Al-Qaeda as responsible, while 28.57% reported being unsure of who orchestrated the attacks.

Timeline

  1. Data collection took place from September 10 to September 16, 2026.

  2. The findings were published on September 27, 2026.

Culture Shift

This research highlights a divergence in historical interpretation two decades after the September 11, 2001 terrorist attacks. It reflects broader societal shifts where consensus on foundational national events has become increasingly stratified by demographic and cultural identity.

The findings underscore the varying perspectives residents may encounter within their communities regarding national historical events. This data highlights the importance of media literacy and the ongoing challenge of bridging divides in shared public knowledge.

The takeaway

Historical memory regarding major national traumas often evolves in ways that reflect the changing social and political landscape of the country. Disparities in belief systems highlight the need for continued education and open dialogue to foster mutual understanding.

Further reading

For more information on the intersection of faith and public discourse, explore our Islam section.

Source note: This article includes information reported by The Jerusalem Post.

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