The increase in life expectancy has been most significantly influenced by:
A) crude longevity.
B) declining fertility rates.
C) increased fecundity.
D) declining infant death rates.

Question

Quizplus · Accepted Answer

Declining infant death rates have played the most significant role in increasing life expectancy. With improved medical care and public health interventions, infant mortality rates have decreased in many parts of the world, resulting in more individuals surviving into adulthood and older age. This has had a notable impact on increasing overall life expectancy.

The Increase in Life Expectancy Has Been Most Significantly Influenced