Lagos population (2006 census)

Reference 2: Agege, Ajeromi-Ifelodun, Alimosho, Amuwo-Odofin, Apapa, Eti-Osa, Ifako-Ijaiye, Ikeja, Kosofe, Lagos Island, Lagos Mainland, Mushin, Ojo, Oshodi-Isolo, Somolu, Surulere and Metropolitan Lagos.

Reference 1: Land area[67] (in km²), Population[31] (2006 Census) and Density (inh. per km²).

Source: http://en.wikipedia.org/wiki/Lagos