After three months had passed, anybody that was yet to arrive was declared dead. If someone does arrive after that, they would still be taken in, but they would no longer wait for them.
The city lord called for an assembly, as she wanted to give the reports to the people.
"Out of the one billion people that came to this world, only 1.2 million of you made it here, for now. We will no longer wait for new people to arrive. From tomorrow, it will become business as usual!"
...