Which of the following describes a concern for a country with an aging population?

as a country’s population ages, the life expectancy for the younger population of the country decreases and healthcare costs decline.
a

as a country’s population ages, the infant mortality rate decreases and there is an increased need for daycare centers.
b

as the proportion of older people in the country increases, fewer young workers are available to contribute tax revenues to support programs that provide services to the older population.
c

as the proportion of older people in the country increases, the sex ratio becomes disproportionally skewed toward males.
d

as the proportion of older people increases, the total population decreases because older people do not have children.