Which of the following statements is true regarding the population in the united states?
a) the baby boomers are the smallest cohort of individuals ever to reach old age.
b) there are more men than women in all segments of the elderly population.
c) the fastest growing segment of the u.s. population is the over-85 group.
d) by 2050, the population distribution in the united states will resemble the shape of a rectangle.