Download Major Mountains In Sub Saharan Africa Pictures. This has created a very high dependency ratio across the region, referring to the ratio of. In angola, for example, on the southwest african coast, most women have around six children.
Geographically, the demarcation line is the southern edge of the sahara desert.
Nolan quinn is a research associate for the council on foreign relations' africa program. Historically, the people living in this region have been geographically isolated from north africa, which has had more contact with the arab world. Most language diverse region in the world with over 1,000 languages spoken. In countries with a high incidence rate, life expectancy has significantly declined and infant and child mortality has increased.