South Africa's 'rising economic confidence'
22 May 2013 Last updated at 14:21 BST
As the Organisation of African Unity celebrates its 50th anniversary, the BBC has been looking at the continent's growing prosperity.
South Africa's economy is the largest and most sophisticated in Africa, but labour unrest and the aftershocks of racial apartheid are slowing its progress.
However, in poor townships like Alexandra there are examples of the economic change, as Andrew Harding reports.