Terrorism Related Killings refer to fatalities resulting directly from violent acts carried out by non-state actors motivated by ideological, political, or religious objectives intended to coerce governments or intimidate civilian populations. These deaths are typically categorized by victim type: civilians (ordinary citizens not involved in conflict), security forces (military, police, and other law enforcement personnel), and terrorists/insurgents/extremists (perpetrators killed during attacks or subsequent security operations). Unlike conventional warfare casualties, terrorism-related deaths often involve targeting of non-combatants in public spaces to maximize psychological impact beyond the immediate victims. The documentation and classification of these fatalities serve crucial purposes: measuring terrorism severity, identifying geographic and temporal patterns, evaluating security responses, developing counterterrorism strategies, and understanding evolving terrorist tactics. The categorization process involves complex determinations about perpetrator motivations and methods, with different agencies sometimes employing varying definitions that can affect statistical recordings. These fatality counts provide critical insights into conflict intensity, the effectiveness of security measures, and the human cost of terrorism, though they cannot fully capture the broader societal trauma and economic impacts that extend beyond the immediate loss of life.