The current birth rate means that there are 78 % more people every year . Africa 's population increase , of 2.3 % , is double that of Asia 's . The current rate of growth means that there are 78 million more people every year . She says sub - Saharan Africa 's population issue is because women lack education .
The current birth rate means that there are 78 % more people every year . Africa 's population increase , of 2.3 % , is double that of Asia 's . She says sub - Saharan Africa 's population issue is because women lack education .