The Informal Sector - System D - is the economy. Terence Jackson in Quartz:
The informal economy in Africa is big business. The International Labour Organisation (ILO) estimates that its average size as a percentage of gross domestic product in sub-Saharan Africa is 41%. This ranges from under 30% in South Africa to 60% in Nigeria, Tanzania and Zimbabwe.
It is also a huge employer. It represents about three-quarters of non-agricultural employment, and about 72% of total employment in sub-Saharan Africa. About 93% of new jobs created in Africa during that 1990s were in the informal economy...[more]
