Population pyramid
- Pronunciation
- /pop-yuh-LAY-shun pih-RAM-id/
- Category
- Population Ecology
- Singular
- Population pyramid
- Plural
- Population pyramids
Definition
A graphical representation of the age structure of a population, where the youngest members are placed at the base and older age groups are represented higher up.
Etymology
From Latin 'populus', meaning 'people', and 'pyramida' referring to a pyramid shape.
Example
A population pyramid with a broad base indicates a younger population, while a narrow base suggests an older population.
Related Terms
- Age structure
- Demographics
- Cohort
- Life history
Usage Notes
Population pyramids can be used to estimate the growth potential of a population based on its age distribution.