This spans Climate and Health: population growth and population size. Is this something we should think about in the context of those domains, and if so to what end?
Population growth is slowing, from a peak of 2.1 percent in 1968 to about 1.1 percent per year. The projection is that we’ll reach almost 10 billion people by 2050.
As countries get richer, parents have fewer children. Fertility rates are projected to fall or stabilize in every continent over the course of this century.
By 2040, which is the year we’re visioning for, how - if at all - should the issue of population size factor into our thinking?