For decades, discussions around global population have largely centered on overpopulation. Yet, a quieter, more insidious ...

The crisis of population declines. Declining populations cause inverted age pyramids with larger numbers of elderly people. These shifting demographics cause economic instability.

A population age pyramid (see pic) is a visual and graphical representation of a population’s age and sex distribution. It provides insights into the demographic structure, indirectly reflecting ...

Japan’s pyramid is distinctly top-heavy, with an unfavorable dependency ratio of 71 and a median age of 48.7, reflecting a strong demographic transition that began 45 years ago. It is hard to ...