The urbanization of most of Africa is moving fast forward, especially south of the Sahara. It is estimated that in 1900, about 89% of inhabitants lived from the primary occupations of farming, hunting & gathering, cattle nomadism, and fishing (Aase, 2003:1) meaning that 11% or less were urban. At the start of the independence period in 1957, 14.7% of Africa's inhabitants were urban, in 2000 had it risen to 37.2% and it is expected to rise to 49.3% in 2015, in effect 3.76% to 3.35% per year (UN, 2002). In sub-Saharan Africa in 1960 "only one city, Johannesburg, had a population of one million;...in 2009, there were fifty-two cities with such large populations." The Nigerian city of Lagos that in 1963 had 665,000 inhabitants (Rakodi, 1997) and 8.7 million in 2000 is expected to become the wo