The Islamic State in Iraq and Syria stood behind the highest number of terrorist attacks worldwide in 2023. In third place came ISIS-DRC, the Islamic State branch in Democratic Republic of Congo.Â
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U.S. Department of Homeland Security. (April 15, 2024). Number of terrorist attacks worldwide in 2023, by perpetrator [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/728964/number-of-terrorist-attacks-worldwide-by-perpetrator/
U.S. Department of Homeland Security. "Number of terrorist attacks worldwide in 2023, by perpetrator ." Chart. April 15, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/728964/number-of-terrorist-attacks-worldwide-by-perpetrator/
U.S. Department of Homeland Security. (2024). Number of terrorist attacks worldwide in 2023, by perpetrator . ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/728964/number-of-terrorist-attacks-worldwide-by-perpetrator/
U.S. Department of Homeland Security. "Number of Terrorist Attacks Worldwide in 2023, by Perpetrator ." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 15 Apr 2024, /statistics/728964/number-of-terrorist-attacks-worldwide-by-perpetrator/
U.S. Department of Homeland Security, Number of terrorist attacks worldwide in 2023, by perpetrator ÌÇÐÄÆƽâ°æ, /statistics/728964/number-of-terrorist-attacks-worldwide-by-perpetrator/ (last visited July 29, 2026)
Number of terrorist attacks worldwide in 2023, by perpetrator [Graph], U.S. Department of Homeland Security, April 15, 2024. [Online]. Available: /statistics/728964/number-of-terrorist-attacks-worldwide-by-perpetrator/
