Latest from the Center on Extremism


Map plotting antisemitic incidents throughout the U.S.

H.E.A.T. Map

This interactive map provides details on specific incidents of hate, extremism, antisemitism and terrorism, and allows users to better understand extremist tactics, compare activity by type and/or state and access and download raw data.

Hate Symbols Database

Hate Symbols

An extensive database of many of the symbols frequently used by white supremacists, anti-government extremists and other hate groups. Learn to recognize the signs of hate.

Trump Flag with Q on it

Glossary of Extremism

A continually updated compilation of extremism-related definitions, including hundreds of frequently cited extremist terms, ideologies and more. A key resource for anyone who wants to better understand extremism.

ADL's extremely Podcast

extremely Podcast

Our podcast series hosted by Oren Segal, Vice President of the Center on Extremism, for anyone interested in understanding and interrupting modern hate and extremism.

Audit of Antisemitic Incidents 2022

Antisemitic incidents in the U.S. reached an all-time high in 2022 with a total of 3,697 incidents of assault, harassment and vandalism tracked by ADL’s Audit of Antisemitic Incidents. This represents the largest number of incidents against Jews in the U.S., recorded by ADL since 1979.

This work is made possible in part by the generous support of

  • Anonymous (4)
  • The ADL Lewy Family Institute for Combatting Antisemitism
  • David Berg Foundation
  • Crown Family Philanthropies
  • Lillian and Larry Goodman Foundations
  • Klarman Family Foundation
  • Morton H. Meyerson Family Foundation/Marlene Nathan Meyerson Family Foundation
  • Charles and Mildred Schnurmacher Foundation
  • The Nancy K. Silverman Foundation
  • The Tepper Foundation
  • The Harry and Jeanette Weinberg Foundation
  • Zegar Family Foundation