Final answer:
Increased access to education for women has the biggest influence on reducing fertility rates. When women have more educational and economic opportunities, there is a decrease in family size. Education for girls is an investment in economic growth with benefits beyond the current generation.
Step-by-step explanation:
The biggest influence on reducing fertility rates is increased access to education for women. Evidence from many populations shows that when women have more educational and economic opportunities, there is a decrease in family size. Girls in low-income countries who receive more education tend to grow up to have fewer, healthier, and better-educated children.
This is supported by economic research, which shows that when women obtain one additional year of schooling, they will, on average, have one less child. Education for girls is an investment in economic growth and has benefits beyond the current generation.
While economic development, improved healthcare services, and urbanization can also have an impact on reducing fertility rates, increased access to education for women has been identified as the factor with the biggest influence.