Respuesta :
Senior citizens make up a larger share of the population than ever before because of the baby boom, if there is an increase in the birth rate, then there is an increase in the rate of old age as well.
What do you mean by Baby boom period?
The baby boom is a period in which there is a significant increase in the Generation is often described as people born from 1946 to 1964, during the postwar World War II.
Thus, the correct statement is option A. that is larger share of the population than ever before.
Learn more about Baby boom period here:
https://brainly.com/question/6614704
#SPJ2