The per-person numbers are almost certainly due to women entering the workforce and thus getting counted in the numbers for the first time. Decline in fertility also has some effect (though probably smaller), as there are now fewer non-working children per adult.
The per-person numbers are almost certainly due to women entering the workforce and thus getting counted in the numbers for the first time. Decline in fertility also has some effect (though probably smaller), as there are now fewer non-working children per adult.