Columbia subject headings:
Africa, Sub-Saharan--Population--Statistics.
Fertility, Human--Africa, Sub-Saharan.
Migration, Internal--Africa, Sub-Saharan.
Mortality--Africa, Sub-Saharan.
Harvard subject headings:
Africa, Sub-Saharan--Population--Statistics.
Fertility, Human--Africa, Sub-Saharan
Migration, Internal--Africa, Sub-Saharan.
Mortality--Africa, Sub-Saharan.
Princeton subject headings:
Africa, Sub-Saharan--Population--Statistics.
Fertility, Human--Africa, Sub-Saharan.
Migration, Internal--Africa, Sub-Saharan.
Mortality--Africa, Sub-Saharan.