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Organization significantly expands City Hall tracking and incident response capabilities to protect the world’s largest Jewish community outside of Israel
NEW YORK, NY, November 5, 2025 — Today, ADL (the Anti-Defamation League) announced the launch of a comprehensive initiative to track and monitor policies and personnel appointments of the incoming Mamdani Administration and protect Jewish residents across the five boroughs during a period of unprecedented antisemitism in New York City.
“Mayor-Elect Mamdani has promoted antisemitic narratives, associated with individuals who have a history of antisemitism, and demonstrated intense animosity toward the Jewish state that is counter to the views of the overwhelming majority of Jewish New Yorkers. We are deeply concerned that those individuals and principles will influence his administration at a time when we are tracking a brazen surge of harassment, vandalism and violence targeting Jewish residents and institutions in recent years,” said Jonathan Greenblatt, ADL CEO and National Director.
“We expect the mayor of the city with the largest Jewish population in the world to stand unequivocally against antisemitism in all its varied forms and support all of its Jewish residents just as he would all other constituents. We will hold the Mamdani Administration accountable to this basic standard.”
Included in the initiatives ADL is launching today in New York City:
NYC Antisemitism Tipline. Building on decades of incident response in New York City and across the country, ADL is establishing a dedicated New York City citywide antisemitism tipline, extending the organization’s decades-long incident response work to meet this moment. The tipline will serve as a hyper-focused resource for New Yorkers to report antisemitic incidents in the city, including on the streets, in schools, in their workplace. ADL experts will support victims and use data gained from incidents to track and monitor the impact the new administration could have on the safety of Jewish residents. Tips and incidents can be reported to ADL at adl.org/NYC.
New Research Capabilities. ADL is investing in early-warning research into policies, mayoral appointments and funding decisions coming from City Hall that could impact Jewish community interests. When actions by the Mamdani Administration could adversely affect the safety of the Jewish community, ADL will activate New Yorkers to respond.
- Mamdani Monitor. ADL will launch a public-facing tracker monitoring policies, appointments and actions by the Mamdani Administration that impact Jewish community safety and security. Drawing from Tipline reports as well as enhanced ADL research capabilities, this Mamdani Monitor will provide transparency around City Hall decisions affecting Jewish New Yorkers, including education policy, budget priorities, and security measures.
These initiatives launch at a critical moment for Jewish New Yorkers. In 2024, ADL’s Center on Extremism recorded 976 antisemitic incidents in New York City—the highest count in any U.S. city and the highest in any city since ADL began tracking such incidents. Additionally, according to the NYPD, in 2024, 54 percent of all hate crimes in New York City were against Jewish New Yorkers. ADL has tracked hundreds of additional incidents in 2025, including harassment, vandalism and physical violence already occurring across all five boroughs.
“This is just a start. But make no mistake: ADL’s core purpose is to protect the Jewish people, and we will be relentless and unyielding in our work to ensure the safety and security of all Jewish New Yorkers,” Greenblatt said.
ADL is the leading anti-hate organization in the world. Founded in 1913, its timeless mission is “to stop the defamation of the Jewish people and to secure justice and fair treatment to all.” Today, ADL continues to fight all forms of antisemitism and bias, using innovation and partnerships to drive impact. A global leader in combating antisemitism, countering extremism and battling bigotry wherever and whenever it happens, ADL works to protect democracy and ensure a just and inclusive society for all.