See the 2015 PRB (Population Reference Bureau) Fact sheet. Will furnish you with the information needed. Also go to website of Futures Group. Have very informative tools and documents/reports. Below is another very useful link: http://www.prb.org/Publications/Reports/2011/prb-population-handbook-2011.aspx
This is correct. In the meantime we have analyses from FCT Abuja and Ondo. Please read: Journal of Perinatal Medicine Editor-in-Chief: Dudenhausen, Joachim
Ahead of print (Jan 2015): Experiences of 6 years quality assurance in obstetrics in Nigeria – a critical review of results and obstacles, Hadiza Galadanci / Wolfgang Künzel / Robert Zinser / Oladapo Shittu / Stefanie Adams / Manfred Gruhl.