The mission of the U.S. Census Bureau is to collect data about almost everything! The Bureau's task that we are most familiar with is counting, every ten years, how many people live in the United States -- but that's just the beginning. There's also ongoing analysis of demographic trends, as well as organizing statistical information from other government agencies, so it's useful to the public.
Here are just some of the reports available from the Census Bureau:
This chart was taken from the NIH Record, a newsletter published by the National Institutes of Health. It illustrates when people in each generational group were born (in the right column), and how many people alive today fall into each category (left column).
Millennials are sometimes referred to as "Generation Y." People born after the Generation Z time period will be members of Generation Alpha.
MILLENNIALS (Generation Y)
GENERATION Z
CONSUMER BEHAVIORS by GENERATION