Yar'Adua's absence created a leadership vacuum which frustrated many Nigerians, particularly in the wake of crises such as Umar Abdulmutallab's attempted terror attract and the religious conflict in the central Nigerian city of Jos. 
Kutokuwepo kwa Yar’Adua kulisababisha ombwe la kiuongozi ambalo liliwasumbua Wanaijeria wengi, hasa wakati ambao matatizo yalijitokeza kama pale Umar Abdulmutallab alipofanya jaribio la ugaidi na mgogoro wa kidini katika mji wa katikati ya Naijeria wa Jos.