User:Bushraomar/sandbox

The Population pyramid often contains stacked-histogram bars. The population size is depicted on the x-axis, and the age-groups on y-axis A pyramid can be described as stationary if the percentages of population (age and sex) remain constant over time. Stationary population is when a population have equal birth rates and death rates

. The population is said to be fast-growing, and the size of each birth cohort is larger than thee size of the pervious year.

This tool can be used to visualize sex and age composition of a particular population.