Questions about example sentences with, and the definition and usage of "Gen"

A: "Gen X" usually means "people born between 1960 and 1975-1980".
Most Gen Xers are between 40 and 60 years old.

A: A person born between 1996 and 2010 is part of generation Z. With generations, the years in which they were born can vary a little, some web sites may say 1995, or 1997 instead of 1996, but figure around that range of years.

Here's a picture I included in a recent post about this topic, from the link below.
https://www.businessinsider.com/generation-you-are-in-by-birth-year-millennial-gen-x-baby-boomer-2018-3

A: "Generation Z" is the group of Americans born between about 1997 and 2012.

A: Bagel idk I don't speak Chinese

A: × They co-starred as a couple in the drama.
✓ They co-starred as a couple in a TV drama.

× I never thought I would really get married.
✓ I never thought they would really get married.

× Yui Aragaki is popular.
✓ Yui Aragaki is popular,

× So, Gen Hoshino will be resented by many people.
✓ so Gen Hoshino will be resented by many people.

I am also shocked by this news today! but Gakki deserves happiness!

A: yes, but I would put “z’s.”