The statement that best supports the change in the total fertility rate in country A between 1980 and 2015 is option A) The total fertility rate decreased as a result of a delay in age of first marriage and increased contraceptive use.
The total number of children any woman would have if she were to survive to the end of her childbearing years and have children in accordance with the current age-specific fertility rates is what is meant by the term "total fertility rate" in a given year.
In stage three, birth rates decline as a result of a number of fertility factors, including access to contraception, rising wages, urbanization, a decline in subsistence farming, rising status and education levels for women, a decline in the value of children's labor, and increased parental investment in their children's education.
Therefore, As a society advances through the demographic transition, the overall fertility of the population declines.
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