<P> Muhammadu Buhari GCFR is the President of Nigeria , in office since 2015 . He is a retired major general in the Nigerian Army and previously served as the nation 's head of state from 31 December 1983 to 27 August 1985 , after taking power in a military coup d'état . The term Buharism is ascribed to the Buhari military government . </P>
what is the full name of nigerian president
Muhammadu Buhari