Most lethal terrorist organizations worldwide 2020, by number of fatalities

A high number of the people killed in terrorist attacks in 2020 worldwide were killed by the Taliban. That year, the Afghan terrorist organization killed nearly 9,000 people. This corresponds with the fact that the group also stood behind the highest number of attacks that year. Boko Haram, who committed the fourth highest number of attacks in 2020, caused the second highest number of fatalities, reaching almost 1,900. 766 people were killed during one attack by the Samri militia in the Ethiopian region of Tigray, an attack known as the Mai Kadra massacre.