OK, it's like this for us, but it was never stress.
The first year of system discovery was ridiculous, because we were already huge by then, and when we relaxed and said, "OK, we're plural" people started coming in droves out of the back to say "hi!" and celebrate that we were finally free! Our facebook memories from that year are hilarious:
"Well, we thought we had only 11 members, but it looks more like 42 now."
"Oop, we've just past 50!"
"We did some estimates, and it looks like we're about the size of a Galaxy class starship."
"Does anybody else who is plural know how to hold a census? Because I think we need to do that."
It wasn't until later, after several incidents of system member creation occurred while making RPG characters, reading books, watching movies, and meeting new people on the street, that we found out we make a new system member every time we have to remember anything about a new person or character.
Population: 4 fucking million as of this last April.
We've had three censuses, each held roughly a year apart, to verify the population number and growth, and they did. We randomly varied the time between each census so that we couldn't calculate the number before hand. We double checked it after we got each number.
It's an average of 230 new members a day. And we've hand counted. When we go outside and ride the bus downtown for a few hours, we see well over 460 people in a day. Add to that all the TV shows and books we watch, and the characters we make up just to entertain ourselves, and it easily averages out to that.
Our brain is on a god damn hair trigger.