GEOG 001 Lecture Notes - Lecture 27: Dependency Ratio, Doubling Time
30 Sep 2020
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Often referred to as simply the birth rate. Annual # of live births per 1000 population. It is crude people but relates births to total population without regard to age sex composition of population. It is more refined and satisfactory statement than the rude birth rate. Average of children that would be born to each woman if during her childbearing years, she bore children at the current year"s rate for women at that age. Thus a tfr of 3 means that the average woman in a population would be expected to have 3 offspring in a lifetime. The tfr needed in order to replace the mother and father. World= 2. 3 childless women, and unexpected deaths (close to 2 means less of this) Fractions over 2 are required to compensate for infant ad childhood mortalities, These are the amount of kids that these people need to have so that they can.
