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Population Pyramids

Published on Nov 23, 2015

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PRESENTATION OUTLINE

POPULATION PYRAMID

A DEMOGRAPHIC SNAPSHOT OF A SOCIETY OR STATE AT ANY GIVEN TIME

POPULATION PYRAMIDS DESCRIBE WHAT?

CHARACTERISTICS OF PEOPLE IN A SOCIETY AND WHATS GOING ON IN IT

THE X-AXIS

THE POPULATION PERCENTAGE

THE Y-AXIS

THE "AGE BRACKETS"

POPULATION PYRAMIDS ARE SPLIT UP HOW?

BY GENDER (MALE OR FEMALE)

AGE BRACKETS

OLD (50+), BEARING (15-49), BABY (0-14)
Photo by VinothChandar

WHEN THE BASE/BABY BRACKETS ARE WIDER THAN THE BEARING BRACKET...

THE BEARING BRACKET HAS A FERTILITY RATE OF 2.1

IF THE BEARING BRACKET HAS A FR OF LESS THAN 2.1...

THE BABY BRACKET WILL BE SMALLER THAN THE BEARING BRACKET

3 TYPES OF PYRAMIDS

CLASSIC, COOL & INTRIGUING

CLASSIC PYRAMID

RAPID POPULATION GROWTH, HIGH FERTILITY RATE, HIGH INFANT MORTALITY

CLASSIC PYRAMID

BABY IS WIDER THAN BEARING, LATE STAGE 2- EARLY STAGE 3

CLASSIC PYRAMID

MOSTLY FARMERS, POSSIBLE FACTORIES, POOR HEALTH CARE,

COOL

BEARING HAS ALMOST A 2.1 FERTILITY RATE, STABLE POPULATION GROWTH

COOL COLUMN

LATE STAGE 3- STAGE 4, URBAN, GOOD HEALTH CARE

INTRIGUING INVERTED

"NEGATIVE POPULATION GROWTH", LESS THAN 2.1 FERTILITY RATE

INTRIGUING INVERTED

LATE STAGE 4- POSSIBLE STAGE 5, SERVICE SECTORS, URBAN, EDUCATION

POPULATION MOMENTUM

FR DECLINES, GROWTH RATE STABLE, POPULATION STILL GROWS