This eighth report of the Displacement Tracking Matrix (DTM) assessment provides an overview of the situation in Chad’s Lac Province, where displacements are due to insecurity linked to violence by extremist armed groups. The information presented in this report was collected from key informants in displacement sites, in close collaboration with local and national authorities, from 11 March to 02 May 2019. The DTM identified 178,928 displaced individuals : 133,338 Internally Displaced Persons (IDPs), 42,788 returnees and 2,802 third country nationals (TCN). 189 displacement sites were assessed, including 134 camps/sites and 55 host communities. 100% of the displaced population is displaced because of the armed conflict taking place in the region. 67% of the identified displaced persons are minors between 0 and 17 years old. Individuals older than 60 years old represent 5% of the displaced persons. 74% of the displaced persons identified live in camps or sites while 26% live in host communities.