Anti Semitic Threat Trends (2023–2026): A Data-Driven Breakdown

Antisemitic activity globally and in the United States reached unprecedented levels between 2023 and early 2026, primarily driven by a surge following the October 7, 2023, Hamas attack on Israel. According to a Tel Aviv University report published in April 2026, 2025 was recorded as the deadliest year for antisemitic violence in over 30 years, with 20 deaths across four separate attacks.

2023: The Immediate Post-Oct. 7 Surge
Record Highs: The Anti-Defamation League (ADL) reported 8,873 antisemitic incidents in the United States in 2023, a 140% increase from 2022 and the highest total since tracking began in 1979.

October Spike: In the final three months of 2023, more incidents were recorded than in any full year previously.

Campus Violence: Antisemitic incidents on U.S. college campuses spiked by 321% in 2023.

2024: Sustained High Levels
New Records: Preliminary data indicated 2024 surpassed 2023’s record-setting levels in the United States, with over 9,300 incidents recorded.

Escalation in Tactics: Assaults increased by 21% compared to 2023.

Campus Unrest: Incidents on college campuses rose by 84% year-over-year, representing a growing share of total incidents.

Canada/UK: Canada recorded a 7.4% increase over 2023, with more than 6,200 incidents of antisemitic hate in 2024.

2025–2026: Deadliest Year and Emerging Trends
Deadliest Year (2025): 2025 saw 20 Jews murdered in antisemitic attacks, including a massacre in Sydney, Australia, where 15 people were killed, along with additional fatalities in the United States and Britain.

Post-Gaza War Shift: Despite a potential end to major fighting in Gaza, incidents in Western countries remained significantly above pre-October 7 levels, with a 361% increase in U.S. incidents in January 2026 compared to January 2025.

Propaganda Increase: In February 2026 alone, antisemitic propaganda distribution rose by 367% globally.

Campus Shift: Anti-Israel activism shifted toward “shadow boycotts” and targeted harassment of university administrators, with groups adopting more covert tactics while maintaining extremist alignment.

Violent Incidents: Continued attacks included arson targeting synagogues in the United States and Germany in early 2026.

Key Trends in Activity
Israel-Related Incidents: A significant portion of reported cases are linked to rhetoric involving Israel, Zionism, or Palestine, accounting for 52% of post-October 7 incidents.

Online Hate: Social media continues to play a major role, with 1,541 recorded incidents of online antisemitic content in 2025.

Institutional Targets: Synagogues, Hillels, and Jewish community centers experienced sustained waves of bomb threats and swatting incidents, particularly throughout 2023 and 2024.

Note: Data for 2024–2026 is based on preliminary and annual audit releases from organizations, including the ADL, CST, and Tel Aviv University, with many organizations noting that incidents are likely underreported.