Greater education for women tends to decrease the birthrate because it enables women to: develop a more egalitarian role within society.
recognize the importance of having financial independence.
have more control over their economic and personal choices.
make an informed choice between motherhood and a career.
develop new and effective methods of contraception.

have more control over their economic and personal choices.

Explanation:

One of the perks of good education in a modern society is that it helps individuals to earn more income. In this way, women with great education tends to have more control over their economic and personal choices too.

Education helps women to have a better understanding of their own capabilities which also directly affects thier understanding of raising children effectively.

As educated women are more equipped with the knowledge of how much they earn, they usually decide how many children they can raise accordingly. Thus, it leads to decrease in birthrate as more women have the right to personal choices and better understanding of providing children more effeciently, they decide to give birth to less children.

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