48 points
Seems like old = boomers and young = millennials for journalist and a lot of people
18 points
People are having kids later in life, and the youngest millennials are only ~29.
Millennials are predominantly the children of Boomers, so that’s why these two generations are basing singled out.
Gen-X were called the a Baby Bust generation for a reason; there aren’t enough of them around in order to swap population metrics compared to what came directly before and after.
