Investigations by various security groups and academic institutions demonstrate that intimidation and hostile messages aimed at United States politicians have escalated sharply over the past few years, driven by growing civic division and online extremism.
The number of threats against American elected officials has significantly increased in recent years.

Political Violence Is Distorting American Lawmaking
Source: brennancenter.org
Key Evidence
Institute for Strategic Dialogue figures indicate that dangerous digital menaces aimed at American politicians grew threefold between 2021 and 2025.
Studies from the Chicago Project on Security and Threats indicate that aggressive statements directed at congressional members surged markedly from 2017 onward and stayed elevated.
Brennan Center for Justice reviews document that the volume of protective investigations has expanded continuously across recent years.
What the Evidence Shows
Several independent security assessments and research bodies chronicle a continuous, multi-year surge in aggressive communications and menaces targeting government officials throughout the country. Nonpartisan data gathered by the Institute for Strategic Dialogue reveals that severe digital threats directed at American legislators grew by more than three hundred percent from 2021 through 2025, propelled by intense ideological rifts across online platforms.isdglobal.orgisdglobal.orgIsd Releases New Research on Surging Threats Against Public OfficialsInstitute for Strategic Dialogue (ISD): Nonpartisan tracking of online violent rhetoric targeting U.S. lawmakers showed that severe threats more than tripled between 2021 and 2025, driven by heightened polarization across digital platforms Scholarly outcomes from the University of Chicago and their security project similarly show that politically charged menaces aimed at congressional members escalated steeply beginning around 2017 and have sustained high frequencies ever since.
cpost.uchicago.educpost.uchicago.eduRising Threats to Members of CongressAcademic and Think Tank Findings The Chicago Project on Security and Threats (CPOST): Research from the University of Chicago has demonstrated that charged threats against members of Congress spiked sharply starting around 2017 and have...
Complementary institutional evaluations further substantiate this pattern by illustrating how protective investigations managed by law enforcement agencies have expanded substantially through successive congressional terms. Figures emphasized by the Brennan Center for Justice indicate that protective cases handled by federal security authorities have surged from previous baselines of several thousand annual incidents to elevated totals that increasingly disrupt standard legislative operations and public outreach.brennancenter.orgbrennancenter.orgPolitical Violence Is Distorting American LawmakingTheir data shows a dramatic, multi-year escalation: The Numbers: USCP threat assessment cases climbed steadily, jumping from roughly 3,000–4,000 cases annually a decade ago to 8,008 cases in 2023, 9,474 cases in 2024, and surging further...