Question

By 2020, the 55-and-older age group of the u.s. labor force will represent approximately ________ of the total labor force

Answer 1

I believe the answer is one-quarter (1/4)
The number is caused by the change in perception of having children among career men & women in general.
Decreasing amount of couple who choose to focus on their career and choose not to have children played a role in stunning the labor force generation.