1999 BSB vs. 2021 BTS

who is BSD

Quote from wsoet

Ah yes, that's a fair point; it does appear that BSB is still holding concerts. Maybe it would be instructive to consider attendance for each group's "peak" touring years then.

For Backstreet Boys, I'm assuming this is 1999 to 2001. For BTS, I'd say 2017 to 2019.

Yeah but the OP said 2021 BTS. The only thing we can compare is their sofi stadium which actually set a record for the highest average engaged Boxscore in billboard history

It's BTS and it isn't even close.