International Day of Remembrance and Tribute to the Victims of Terrorism

Since 2015, Islamic State (IS) and its affiliates have remained the world's deadliest terrorist group. The total number of IS attacks rose globally until 2022, but the number and overall intensity of attacks have declined in recent years, leading to a slight reduction in fatalities. While some chapters have declined, others, such as Khorasan chapter, have increased their activities substantially. IS has continued to expand its presence in the Middle East, Central Asia and sub-Saharan Africa. IS is no longer as centrally organised as it was at its peak in 2015, when it controlled territory in Iraq and Syria roughly the size of France. The destruction of its so-called caliphate by 2019 led to decentralisation and a shift towards low-cost, highimpact attacks. These tactics have allowed IS to sustain its operations despite military and territorial losses, demonstrating its adaptability. Today, IS operates through regional affiliates, each pursuing distinct goals tailored to local conte...

  The four terrorist groups responsible for the most deaths in 2024 were Islamic State (IS), Jamaat Nusrat Al-Islam wal Muslimeen (JNIM), Tehrik-e-Taliban Pakistan (TTP), and al-Shabaab. Their combined influence continues to increase, with deaths attributed to these groups increasing by 11 per cent to 4,204 deaths. Islamic State (IS) and its affiliates remained the world’s deadliest terrorist group in 2024 , and is active in 23 countries, one more than in 2023. Deaths attributed to the group and its affiliates declined by ten per cent, from 1,996 to 1,805 deaths. Of the major terrorist organisations, TTP was responsible for the largest increase in deaths, which rose by 90 per cent to 558 deaths.