I assume that this is for countries with fertility rates below 1 only, Joel. The US birth rate is more than one child per parent, so assuming that remains unchanged there will just be more and more Americans ad nauseam (which might be already.)

This chart, as the author saliently mentions, depends on current trends remaining unbroken.

[edit] I had said “linear progression” but a constant rate greater than 1 will end up with exponential growth.

Joel BernsteinCanada?

Joel BernsteinAnd where’s the US on this chart?

Dave VogtI assume that this is for countries with fertility rates below 1 only, Joel. The US birth rate is more than one child per parent, so assuming that remains unchanged there will just be more and more Americans

ad nauseam(which might be already.)This chart, as the author saliently mentions, depends on current trends remaining unbroken.

[edit] I had said “linear progression” but a constant rate greater than 1 will end up with exponential growth.