The prisoners don't necessarily outnumber the locals outside, so I don't think it is a foregone conclusion that they will be able to. But another way to look a

The prisoners don't necessarily outnumber the locals outside, so I don't think it is a foregone conclusion that they will be able to. But another way to look at it, is that by being counted as part of the population in the vicinity of the prison, it provides an incentive to have prisons and to incarcerate people, and it also reduces the representation of the places prisoners come from.