casefields parent
The fertility of nearly all nations has slowed beyond replacement. Your concern would be valid if we were on pace to feed a quadrillion people but we aren’t.
Not in Africa. The plan is to have billions of Africans migrate to Europe to do the work instead, due to the climate crisis.
When they get to Europe, they are going to expect the same quality of life that Europeans have historically enjoyed. So, just because Europeans aren't reproducing, doesn't mean that they aren't being superseded by a new group of materialist consumers.