Age structures

In addition to the overall size of the population, another human demography factor that is interesting to scientists is age structure.

Watch Dr. Nathan B. English explain how the proportion of young, middle-aged and older people in a population can be studied to understand demographic and environmental impacts.

Now it’s your turn

How do you think the environmental impacts of a rapidly increasing population will differ from those of a stable or decreasing population. Share your thoughts in the comments.