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GEOGRAPHY
Social - Crime
Worst Terrorist Attacks Worldwide by Death Toll
This list features the worst terrorist attacks in history based on death toll.
RANK | INCIDENT | COUNTRY | YEAR | DEATH TOLL | TERROR GROUP |
1 | 9/11 | United States | 2001 | 2,960 | Al-Qaeda |
2 | Tikrit Attack | Iraq | 2014 | 1,700 | ISIL |
3 | Musha Church Massacre | Rwanda | 1994 | 1,180 | Hutu Extremists |
4 | October 7th | Israel | 2023 | 1,139 | Hamas |
5 | Sinjar Massacre | Iraq | 2014 | 953 | ISIL |
6 | Mai Kadra Massacre | Ethiopia | 2020 | 766 | Samri Militia TPLF |
7 | Badush Prison Massacre | Iraq | 2014 | 670 | ISIL |
8 | Mogadishu Bombings | Somalia | 2017 | 588 | Al-Shaabab |
9 | Dhading Attack | Nepal | 2004 | 518 | Maoist Communist Part of Nepal |
10 | Tabqa Air Base Attack | Syria | 2014 | 517 | ISIL |
References
Statista. (n.d.) Deadliest terrorist attacks worldwide: Fatalities. Statista. Available at: https://www.statista.com/statistics/1330395/deadliest-terrorist-attacks-worldwide-fatalities/ (Accessed: 6 July 2025).
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