Federal law enforcement authorities and non-governmental researchers have for years identified far-right extremist violence as the most lethal and persistent domestic terrorist threat in the United States.
October 25, 2025
high
descriptive
Summary of long-standing assessments by government and non-government analysts about domestic terrorism trends.
A 2025 report from the Center for Strategic and International Studies (CSIS) that analyzed roughly 30 years of data found that between January 1 and July 4, 2025, the number of far-left terrorist plots and attacks in the United States outnumbered those from the far right.
July 04, 2025
high
temporal
Core statistical finding from a CSIS analysis of historical incident data.