Lagos is the largest and most chaotic city in Nigeria and, with its population of 13.4 million (2000), one of the largest in Africa (competing with Cairo). Lagos was the capital of Nigeria until 1991 when the capital was moved to Abuja.
On January 27, 1996 several explosions at a military dump[?] in Lagos killed more than 1,000.
... 17.2% who are 65 years of age or older. The median age is 41 years. For every 100 females there are 92.6 males. For every 100 females age 18 and over, there are 90.2 ...