Answer:
The population with an age structure that is pyramid shaped is expected to grow slowly in the future that is expansive population.
Explanation:
Age pyramid is a graphical representation that show how the various age groups that are present in a population is distributed.In case of pyramid shape population, they have large amount of young age groups and the fertility rate in this population increases at a certain point of time. When post reproductive stage appears, the fertility rate decreases.
For example-This kind of age structure is seen in India, China as their population increases rapidly at early stage.