Quantifying Hate: A Year of Anti-Semitism on Twitter
Report
As a result of a pilot research project, the Anti-Defamation League can estimate that a minimum of approximately 4.2 million English language anti-Semitic tweets were disseminated between January 29, 2017 and January 28, 2018.
In its annual Audit of Anti-Semitic Incidents, ADL found that the number of anti-Semitic incidents in the U.S. rose 57 percent in 2017 – the largest single-year increase on record and the second highest number reported since ADL started tracking such data in 1979. The sharp rise was in part due to a significant increase in incidents in schools and on college campuses, which nearly doubled for the second year in a row.
ADL identified 1,986 anti-Semitic incidents perpetrated…
The Islamic Republic of Iran’s Embassy Accounts Post Hitler Comparisons, Antisemitic Conspiracy Tropes on X
Article
Following the April 8, 2026 ceasefire, which halted the 40-day-long U.S. and Israeli military operation against the Islamic Republic of Iran, official Iranian regime diplomatic accounts on X have posted a stream of antisemitic content to audiences of millions. In a campaign the New York Times referred to as “information warfare,” spanning at least four embassies across three continents, Iranian missions in Indonesia, South Africa, Tajikistan, and Zimbabwe have published…
Pro-Iran Terrorist Attacks Against Jewish Communities
Article
Since March 9, 2026, a previously unknown group calling itself Harakat Ashab al-Yamin al-Islamiya (HAYI) has claimed responsibility for a rapidly increasing series of attacks on Jewish and Israel-linked institutions across Europe, including in Belgium, France, Germany, the Netherlands, North Macedonia, and the United Kingdom. In the past few weeks, synagogues were bombed or firebombed in Liege, Rotterdam, Skopje, Kenton, Finchley and Hendon; explosive devices were detonated near a Jewish…
The Islamic Republic of Iran: Exporting Antisemitic Hate and Terror since 1979
Article
At a moment when the Islamic Republic of Iran is at the center of a regional war, it is important to remember that the Iranian regime's decades-long promotion of antisemitism is not merely ideological, it is operational. Since 1979, the Islamic Republic of Iran has been the world's leading state sponsor of terrorism, antisemitism and Holocaust denial. The regime has embedded anti-Jewish hatred into its core identity and translated it into policy, propaganda and violence. Persecution…
Ali Larijani, the former secretary of the Islamic Republic of Iran's Supreme National Security Council killed on March 17, had emerged after the killing of Supreme Leader Ayatollah Ali Khamenei on February 28, 2026, as one of the most powerful surviving Iranian regime figures, with analysts assessing that he had "effectively been running” Iran. Larijani was revered by his admirers because he combined military service in the Iran-Iraq war with theological and intellectual…
The Andinia Plan is an antisemitic conspiracy theory that claims Jews want to establish a second Jewish and Zionist state in the Patagonia region, located across Argentina and Chile. This hoax is presented as a "secret plan" and, like many antisemitic conspiracy theories, is based on the myth that Jews accumulate power, money and influence in order to dominate strategic territories. The theory was first outlined by the small nationalist party Frente Nacional Socialista Argentino …
Representatives of J7 Large Jewish Communities Urge Representatives to the U.N. to Take Action in the Face of Rising Antisemitism
Press Release
New York, NY, March 18, 2026 … Members of the J7 Large Jewish Communities Task Force Against Antisemitism, representing the Jewish diaspora communities in Argentina, Australia, Canada, France, Germany, the United Kingdom and the United States, today urged diplomats to the United Nations to take action in the face of rising antisemitism that has plagued each of their countries in the past few months. The J7 representatives met today in New York with UN Permanent Representatives…
Quds Day and Other Iran-Related Protests Nationwide Platform Support for Terror, Conspiratorial Hate
Article
Since the start of the Feb 2026 military operation against the Iranian regime, protesters have mixed in overtly antisemitic, conspiratorial, and pro-terror messaging with their condemnation of the U.S. and Israel.
ADL CEO Jonathan Greenblatt Delivers 2026 State of Hate at Never Is Now
Press Release
(As delivered) Over the past year, 20 Jews -- our brothers and sisters -- were murdered. For Jewish people in the diaspora, 2025 was one of the deadliest years in memory. The victims were children and grandparents. Observant and secular. They were from every corner of the globe: Manchester, England; Washington, DC; Boulder, Colorado; and Bondi Beach, Australia. And last week, a terrorist wanted to add West Bloomfield, Michigan to that list. He drove a car packed with…
ADL has tracked roughly 80 attacks on synagogues worldwide in the past decade — with the pace accelerating sharply since the October 7, 2023, Hamas-led terror attacks on Israel
ADL Statement on Responsible Public Discourse Amid Escalating Middle East Conflict
Press Release
New York, NY, March 5, 2026 … (ADL) the Anti-Defamation League issued the following statement in response to recent political and public discourse about the escalating conflict with the Iranian Regime. Statement from Jonathan Greenblatt, ADL CEO: Since the start of hostilities with the Islamic Republic of Iran last weekend, we are witnessing an alarming pattern of escalating, inflammatory rhetoric from voices across the political and ideological spectrum. This rhetoric distorts reality…
Military Operation Against Iranian Regime Fuels Wave of Antisemitic Conspiracy Theories, Calls for Mobilization
Article
The U.S. and Israeli military operation against the Iranian regime triggered an immediate surge of antisemitic, anti-Zionist and conspiratorial commentary that spanned the ideological spectrum. COE is tracking 7 rhetorical trends.
A day after Iranian Supreme Leader Ayatollah Ali Khamenei was killed during an attack by Israel and the United States on February 28, 2026, Alireza Arafi was appointed as the Islamic Republic of Iran’s interim leader as a member of the Leadership Council, which is tasked with fulfilling the supreme leader’s role until the Assembly of Experts elects a new leader. A review of Arafi’s public statements, especially open letters reproduced on the Guardian Council…
Massive Iranian Regime News Operation is Spreading Antisemitic Propaganda to Spanish-Speaking Masses
Press Release
ADL report finds “dramatic escalation” in hateful rhetoric on Iran’s HispanTV since 10/7 New York, NY, February 17, 2026 … The official propaganda outlet of the Islamic Republic of Iran in Latin America significantly ramped up its hateful rhetoric over the last two years, according to a report from ADL (the Anti-Defamation League) issued today. The report found that Iran’s HispanTV routinely publishes content that advances antisemitic tropes about Jewish power,…
Una operación mediática masiva del régimen iraní difunde propaganda antisemita en el mundo hispanohablante
Press Release
Informe de ADL advierte una “dramática escalada” del discurso de odio en la cadena iraní HispanTV desde el 7 de octubre. Nueva York, NY, 17 de febrero de 2026 … Según un informe publicado hoy por la Liga Antidifamación (ADL), el medio oficial de propaganda de la República Islámica de Irán en América Latina incrementó significativamente su retórica de odio durante los últimos dos añ…