Disputes - international:
The Gambia and Guinea-Bissau attempt to stem separatist violence, cross border raids, and arms smuggling into their countries from southern Senegal's Casamance region
Refugees and internally displaced persons:
refugees (country of origin):
13,703 (Mauritania) (2013)
IDPs:
up to 24,000 (clashes between government troops and separatists in Casamance region) (2013)
Illicit drugs:
transshipment point for Southwest and Southeast Asian heroin and South American cocaine moving to Europe and North America; illicit cultivator of cannabis