Answer:
age cohort
Step-by-step explanation:
The term that is being described in this question is known as an age cohort. To put it in other words this term refers to a group of individuals that were born around the same time period and are from a particular population that has typically shared certain events and experiences over the course of their lives. These events and experiences may be world events that happened during that time period of localized events due to being part of the same population.