Population increases when the birthrate exceeds the death rate, and decreases when the reverse occurs. So what does the world look like when there are too many people?
One way to approach this question is to consider what the limiting factors in population are. When, exactly, does the death rate exceed the birthrate? A key consideration is mortality. If people live shorter lives, the death rate goes up, and population goes down (or at least grows more slowly). What causes mortality to increase? Obviously things like wars, pandemics, and famines have an impact, but economist Robert Fogel argues that these are actually a relatively small part of the global mortality picture. Read more »
*This blog post was originally published at The Daily Monthly*