Borno, Yobe and Adamawa state are most affected by the Boko Haram insurgency. The northeastern states are hosting the majority of IDPs. 1.3 million IDPs are in Adamawa, Borno, Gombe, and Yobe states. The entire resident population of these states (16 million) are considered affected by the Boko Haram insurgency. Humanitarian needs are severe and access is limited, particularly in Borno state.