File:Proliferation of Conflict Map.png

Source: ConflictNews, seen on Cassad (2010 version there as well). Accuracy of data unverified.

Nigeria- Boko Haram
Fighting associated with Boko Haram killed 6,347 civilians in 2014, said the Armed Conflict Location and Event Data Project (Acled), an academic group that uses media reports to monitor violence in conflicts. The number of civilians killed in areas such as Nigeria, Central African Republic (CAR) and South Sudan rose by 30% last year to 13,508 deaths, the group said. 'Nigeria suffers highest number of civilian deaths in African war zones', The Guardian, 23 January 2015 09.15 EST

Boko Haram, which means “western education is forbidden”, is trying to form its own state in northern Nigeria under a strict interpretation of Islamic law. This month, the group carried out its deadliest attack to date, killing up to 2,000 people in one day. Adopted IS flag as their own, according to wikipedia and recent research conference materials.