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Population

Published on Dec 11, 2015

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PRESENTATION OUTLINE

WHAT IS A POPULATION PYRAMID?

IT IS A GRAPH THAT SHOWS THE NUMBER OF OLD PEOPLE TO YOUNG PEOPLE OR MALES TO FEMALES.
Photo by VinothChandar

WHAT TYPE OF DATA IS SHOWN ON A POPULATION PYRAMID?

IT CAN SHOW THE NUMBER OF OLD PEOPLE TO YOUNG PEOPLE,

OR MALE TO FEMALES

Photo by tanakawho

OR THE RETIRED AND WORKING POPULATION

Photo by WarmSleepy

WHAT GIVES A POPULATION PYRAMID ITS SHAPE?

THE AGE OF THE PEOPLE IN THE SURVEY AS THEY GET OLDER.

WHAT ARE THE 4 TYPES OF POPULATION PYRAMIDS?

THEY ARE EXPANSIVE POPULATION PYRAMID, WHICH SHOWS AN INCREASING POPULATION.
Photo by DanMcLean

STABLE POPULATION PYRAMID,

WHICH SHOWS A POPULATION WITH UNCHANGING DEATH AND FERTILITY RATES.
Photo by angela7dreams

STATIONARY POPULATION PYRAMID,

WHICH SHOWS A COUNTRY WITH LOW FERTILITY AND DEATH RATES.

AND A CONSTRICTIVE POPULATION PYRAMID.

IT SHOWS A COUNTRY WITH HIGH LIFE EXPECTANCY AND LOW DEATH RATES, BUT LOW FERTILITY RATES.
Photo by Nrbelex

WHAT ARE THEY USED FOR?

THEY ARE TYPICALLY USED TO DETERMINE AGE GROUPS.
Photo by ezioman

HOW DO YOU READ POPULATION PYRAMIDS?

THE Y- AXIS REPRESENTS THE AGE GROUP AND THE X AXIS REPRESENTS THE UNITS OF MEASUREMENT.
Photo by tim geers

WHO USES A POPULATION PYRAMID?

AN ECONOPHYSICISTS USES THEM TO UNDERSTAND THE PAST AND AN ARCHITECT USES THEM FOR HIS DESIGNS.
Photo by quinn.anya