Population pyramids close population pyramid A population pyramid is a special graph that can be used to show the specific age breakdown of a population ... Now the population pyramid matches stage 2.

Population pyramids from 1950 to 2050 illustrate demographic shifts and their implications for global trends.

THE pyramid is a traditional way of visualising and explaining the age structure of a society. If you draw a chart with each age group represented by a bar, and each bar ranged one above the other ...