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POPULATION PYRAMIDS
Objectives WHAT is a population pyramid? HOW to read a population pyramid? Recognise SHAPES of population  pyramids. I...
What is a population pyramid?  It is a diagram that gives information   about the proportion of males and   females in ea...
What is a population pyramid?       Vertical Axis - Age Groups                         Elderly dependents                 ...
How to read a population pyramid?  Read the title e.g. country or city or   racial group  Comment on general shape of th...
Types of Population Pyramid1. Triangular-shaped2. Beehive-shaped Pyramid3. Rectangular-shaped PyramidShape of pyramids is ...
Triangular-shaped Pyramid  (Broad-based Pyramid)
Broad-based PyramidTitle: India, 2000Shape: Broad Base - high birth rates         Narrow Top - small elderly pop          ...
Indonesia   2000Malaysia 2000
Beehive-shaped Pyramid
Beehive-shaped PyramidTitle: Singapore, 2000Shape: Rocket-shaped / Narrow Base         – Low Birth Rates, Slow pop growthP...
Hong Kong  2000 Taiwan  2000
Rectangular-shaped Pyramid
Rectangular PyramidTitle: Netherlands, 2000Shape: Rectangular-shaped - Zero Pop Growth         Narrow Base - Low Birth Rat...
UK 2000Netherlands   2000
Population Pyramids in Transition
Each pyramid tells a story        about the  past, present & futureof a country & its people.
Importance of Population Pyramids  Policy Planning      ~ future housing estates      ~ future schools      ~ future jobs...
Population pyramids
Population pyramids
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Population pyramids

  1. 1. POPULATION PYRAMIDS
  2. 2. Objectives WHAT is a population pyramid? HOW to read a population pyramid? Recognise SHAPES of population pyramids. IMPORTANCE of population pyramids.
  3. 3. What is a population pyramid?  It is a diagram that gives information about the proportion of males and females in each age group.  Also shows: - proportion of young people (0 -14 ) - proportion of working people (15 – 59) - proportion of elderly people (60+)
  4. 4. What is a population pyramid? Vertical Axis - Age Groups Elderly dependents Working population Young dependents Horizontal Axis – Percentage / number
  5. 5. How to read a population pyramid?  Read the title e.g. country or city or racial group  Comment on general shape of the pyramid  Note the proportion of people in various age groups  Note the sex ratio  Interpret the data
  6. 6. Types of Population Pyramid1. Triangular-shaped2. Beehive-shaped Pyramid3. Rectangular-shaped PyramidShape of pyramids is controlled by  births,  deaths, &  migrations.
  7. 7. Triangular-shaped Pyramid (Broad-based Pyramid)
  8. 8. Broad-based PyramidTitle: India, 2000Shape: Broad Base - high birth rates Narrow Top - small elderly pop - high death rateProportion: - Large proportion of young - high young dependency ratioSex Ratio: Balance pyramid - Balance sexratio
  9. 9. Indonesia 2000Malaysia 2000
  10. 10. Beehive-shaped Pyramid
  11. 11. Beehive-shaped PyramidTitle: Singapore, 2000Shape: Rocket-shaped / Narrow Base – Low Birth Rates, Slow pop growthProportion: Large proportion of working population, 15-59 yr old - large group of economically active popSex Ratio: Balanced pyramid
  12. 12. Hong Kong 2000 Taiwan 2000
  13. 13. Rectangular-shaped Pyramid
  14. 14. Rectangular PyramidTitle: Netherlands, 2000Shape: Rectangular-shaped - Zero Pop Growth Narrow Base - Low Birth Rates - Life-expectancy is high e.g. 80+ - Low death ratesProportion: Bars of equal length - Balance ProportionSex Ratio: Balance pyramid - Balance Sex Ratio
  15. 15. UK 2000Netherlands 2000
  16. 16. Population Pyramids in Transition
  17. 17. Each pyramid tells a story about the past, present & futureof a country & its people.
  18. 18. Importance of Population Pyramids  Policy Planning ~ future housing estates ~ future schools ~ future jobs  Comparison with other countries ~ developed (US) vs developing (India)
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