Final answer:
The baby boomers have the smallest population in the United States in 2020.
Step-by-step explanation:
The baby boomers have the smallest population in the United States in 2020.
In 2010, the largest population group in the United States was aged forty-five to sixty-five, which represents the oldest baby boomers. By 2030, all baby boomers will be age 65 and older, making them the largest group of elderly people.
Using the provided information, we can conclude that the baby boomers have the smallest population in the United States in 2020 compared to other generations.