1: North African cities dominated the top five , with Cairo claiming pole position , followed by Tunis , Johannesburg , Casablanca and Algiers . 2: However , sub-Saharan cities registered among the highest in terms of society and demographics , excelling in diversity and population growth , both useful when looking towards future investment . 3: North African capitals dominate , but there are signs that sub-Saharan cities will come into their own in the near future .
1: cities 2: cities 3: cities