National Geographic Page (and there is a lot more interesting information). You can click on the map to enlarge it.
It shows average gross income per capita for each country (denoted by the colour) and also population density (where a lighter shade means a higher density). It's interesting to see that South Africa falls in the second largest income range, whereas most of the rest of Africa is in the lowest range. We know that income is unevenly distributed, but nonetheless, South Africa as a whole has money!
Surely we should be able to work with our neighbouring countries to turn them purple? We have expertise. We have an economy. Maybe church groups could get involved in this? Read the Good Samaritan at a new level?
I know that a country like Zimbabwe would probably not welcome help, but Mozambique?