A report released by the Global Terrorism Index shows that the level of terrorism and the number of people killed have increased from 18 000 to 32 000 people, an increase of 80 percent.
The Global Terrorism Index for 2015 is a series of reports produced by the Institute for Economics and Peace, an international think tank based in Australia.
According to Daniel Hyslop, a research director at the institute, the intensity of the level of terrorism has reached the highest level and has extended to other countries.
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He said when looking at the figures, Boko Haram and ISIS account for about 50 percent of deaths.
The report also showed that Boko Haram had overtaken ISIS to become the most deadly terrorist group in the world.
Deaths attributed to Boko Haram increased by 317 percent in 2014 to 6644 and ISIS was responsible for 6073 terrorist deaths, he said.
In terms of Boko Haram's tactics, they do tend to be more deadly, they tend to involve firearms and they tend to target more private citizens.— Daniel Hyslop, research director at Institute for Economics & Peace