Columbia subject headings:
Africa, Sub-Saharan--Population--Economic aspects.
Demography--Economic aspects--Africa, Sub-Saharan.
Economic development.
Harvard subject headings:
Africa, Sub-Saharan--Population--Economic aspects.
Demography--Economic aspects--Africa, Sub-Saharan.
Economic development
Princeton subject headings:
Africa, Sub-Saharan--Population--Economic aspects.
Demography--Economic aspects--Africa, Sub-Saharan.
Economic development.