Population Pyramids - Ms. A de Boer

Population Pyramids - Ms. A de Boer

POPULATION PYRAMIDS WHAT IS A POPULATION PYRAMID? Also called age-sex pyramid

A graphical illustration that shows the distribution of age groups in a population

Each 5-year age group is called a cohort PARTS OF THE PYRAMID

Males Y-axis: the age groups of the population (cohort groups)

Females X- axis: percentage (%) of the total population PRE-TRANSITION

High BR (youth bulge) High DR, slow GR Low LE Nigeria highlights the youth bulge.

EARLY TRANSITION High BR, decreasing DR, fast GR increasing LE LATE TRANSITION

Declining BR, Low DR, declining GR Long LE POST TRANSITION

Low BR, Low DR, (aging population) slow/negative GR, Long LE https://www.cia.gov/library/publications/the-world-factbook/geos/ja.html DEPENDENCY LOAD

The proportion of a countrys population that is typically not in the labour force. This is used to show how much strain

there is on the working class (15-64) to get jobs and support these people. Includes Under 15, and Over 65

ANALYZING A POPULATION PYRAMID Male Population, 1961

Female Population, 1961 WHICH STAGE IS THIS PYRAMID? High DR decreases older cohorts

Lower BR during WWII and The Great Depression High BR after WWII, Economic prosperity

Baby Boomers 1946 - 1964 What does this pyramid tell you about their history?

http://esa.un.org/wpp/population-pyramids/population-pyramids.htm Animated Pyramids http://www.statcan.gc.ca/kits-trousses/animat/ edu06a_0000-eng.htm

WHAT DOES THIS TELL US? Now that we have analyzed the pyramid lets work through the

questions on the bottom of your sheet together: Things to think about:

What affects is this population going to have on the country? Which areas of the economy will you need to change in the next few years? NOTE: look at the bulges and depression in the pyramid,

try and guess which cohort will be dominant and what affect they will have on Canada CENSUS VIDEO: CANADIAN FAMILIES THEN AND NOW http://www.theglobeandmail.com/news/newsvideo/census-video-canadian-families-then-an

d-now/article4553135/? from=8783751 AGE & GENDER DISTRIBUTION OF THE URBAN ABORIGINAL & NON-ABORIGINAL POPULATIONS, CANADA, 2006

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