Disputes - international:
Libya claims about 25,000 sq km in a currently dormant dispute in the Tommo region; location of Benin-Niger-Nigeria tripoint is unresolved; only Nigeria and Cameroon have heeded the Lake Chad Commission's admonition to ratify the delimitation treaty that also includes the Chad-Niger and Niger-Nigeria boundaries; the dispute with Burkina Faso was referred to the ICJ in 2010

Refugees and internally displaced persons:
refugees (country of origin): 97,744 (Nigeria) (2015); 52,879 (Mali) (2016)
IDPs: 47,023 (unknown how many of the 11,000 people displaced by clashes between government forces and the Tuareg militant group, Niger Movement for Justice, in 2007 are still displaced; inter-communal violence; Boko Haram attacks in southern Niger, 2015) (2015)