POPULATION PYRAMIDS PYRAMIDS SHOW THE AGE AND SEX STRUCTURE OF THE POPULATION THE CHANGING SHAPE OF THE PYRAMID SHOWS THE CHANGING STRUCTURE OF THE POPULATION
THE NUMBERS OF MALES AND FEMALES IN EACH AGE GROUP IS SHOWN THE PROPORTION OF THE POPULATION IN EACH AGE GROUP CAN BE SEEN NOTICE MORE WOMEN LIVE TO 80+ IN CHILE THE PYRAMID GIVES US SOME IDEA ABOUT BIRTH AND DEATH RATE AND LIFE EXPECTANCY
the high cost of providing basic healthcare and education for so many young people.
a population explosion will happen when this youthful population matures and have their own families .
there is an increasing demand for basics such as housing, food etc.
the burden of these extra costs will fall on the economically active population.
A YOUTHFUL POPULATION
Model 2: The PPM (Population Pyramid Model) The PPM - 'Population Pyramid Model' shows how dynamic (subject to change) population is. The model is structured to show 'snapshots' of a population at four points during its development, which are shown as Stages 1 - 4 (A - D). A country will progress through the stages.