On Sun, 28 Mar 2021 21:52:22 +0200
Axel Berger  wrote:

> Ahem A Rivet's Shot wrote:
> >         Fortunately population growth curves are usually sigmoid not
> > exponential - they resemble exponential curves very closely right up
> > until some limit starts to bite and then they flatten very quickly.
>
> True. But when that point is reached and you live cramped up against a
> fixed limit things tend become rather uncomfortable.

 Yep but not as uncomfortable as one per square metre. That being
said it's not at all clear that the curve flattens because the limits are
actually reached, after all the fall in growth in first world countries
started to be noticeable by the early 1980s (I recall billboards in France
that read (translated) "France Needs Babies" some time in 1980/81). So
something starts the downward curve well before real limits are hit (France
was far from the most crowded or stressed country at the time).

 Still with around ten billion of us expected at peak I expect it
will get a little tight in places.

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