Given what's already technologically possible in reproductive health, let alone applying the same rate of change again over the coming 75 years, a forecast of reproduction this far ahead is little more than a guess as to the shape of the Overton Window in this period.
The 25 year forecast is probably worth caring about, but not the 75 year forecast, not even if you expect to have personal access to anti-aging drugs (and also that China somehow doesn't) and will therefore be around to see it.
By 2100, if current trends continue.
Given what's already technologically possible in reproductive health, let alone applying the same rate of change again over the coming 75 years, a forecast of reproduction this far ahead is little more than a guess as to the shape of the Overton Window in this period.
The 25 year forecast is probably worth caring about, but not the 75 year forecast, not even if you expect to have personal access to anti-aging drugs (and also that China somehow doesn't) and will therefore be around to see it.