Disputes - international:
since 2003, ad hoc armed militia groups and the Sudanese military have driven hundreds of thousands of Darfur residents into Chad; Chad wishes to be a helpful mediator in resolving the Darfur conflict, and in 2010 established a joint border monitoring force with Sudan, which has helped to reduce cross-border banditry and violence; only Nigeria and Cameroon have heeded the Lake Chad Commission's admonition to ratify the delimitation treaty, which also includes the Chad-Niger and Niger-Nigeria boundaries
Refugees and internally displaced persons:
refugees (country of origin):
336,295 (Sudan), 102,086 (Central African Republic), 11,310 (Nigeria) (2018)
IDPs:
165,313 (majority are in the east) (2018)
