Japan takes in skilled workers with limits on their abilities to become citizens, while the United states takes in unskilled chicken pluckers, give them a drivers license and the right to vote.
“Skilled workers” must be code for low skilled workers from around SE Asia. Skilled workers would be hard pressed to emigrate from where they are given how weak the Yen is — and how racist Japanese society is.
But GDP needs a boost and there aren’t very many young people in Japan.