Stefanos Foundation, a non governmental organisation, has been attending to the welfare of Internally Displaced Persons from the various attacks in their camps in Bukuru area of Jos South, Plateau State.
Lipdo said the highest number of attacks, 34, occurred in Borno State, where 551 people were killed.
In a statement in Jos on Thursday, which was made available to the Punch, Lipdo said all the attacks occurred between May 29 and August 12, especially under the watch of the recently sacked service chiefs.
According to him, Plateau State ranked second with 19 attacks and 112 people killed while Yobe occupied the third spot with eight attacks and 86 people killed.
Adamawa, Bauchi, Benue, Gombe, Kano, Nasarawa and Taraba states placed fourth with two attacks each and a total of 254 people killed.
Though two attacks took place in Gombe, the statement said it had the highest casualty figure of 99.