The relevant peak would be the population at the consumption level of Americans/other developed countries. Probably one of those 80/20 relationships, where 20%

The relevant peak would be the population at the consumption level of Americans/other developed countries. Probably one of those 80/20 relationships, where 20% of the population is consuming 80%, so if you reduce total population, but there is still plenty of population that can pick up the slack of consumption, then peak population won’t be the beginning or the downward trend.