Please correct me if I'm wrong.
1. 80后 is used to call people who are born between 1980 and 1899.
2. We can use 后 to any year, like 70后, 60后, 50后, 40后.
Yes I meant 1989 *shy*
I think you mean 1989
常见的词 70后 80后 90后 00后。
00后 means the one who is born 2000-2009