IOM’s Displacement Tracking Matrix (DTM) was first implemented in Nasarawa and Abuja in August 2015. After the crisis in North West and Central Nigeria escalated in early 2018, providing support to affected populations became paramount. As a result, IOM broadened the reach of DTM to the entire affected area, to assess the numbers and trends of displacement, and gain insight into the profiles, needs and vulnerabilities of displaced populations. The information collected seeks to inform the government of Nigeria — as well as the humanitarian community — with an improved understanding of population movement and displacement in the two zones. Likewise, it aims to better inform the humanitarian response and relief provision for the affected populations.