Your SlideShare is downloading. ×
Population studies - Population Pyramids
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×

Introducing the official SlideShare app

Stunning, full-screen experience for iPhone and Android

Text the download link to your phone

Standard text messaging rates apply

Population studies - Population Pyramids

1,053
views

Published on

For Sec 2 Geography

For Sec 2 Geography


0 Comments
2 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total Views
1,053
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
41
Comments
0
Likes
2
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. + Population Pyramids
  • 2. + What is it?  A type of graph that shows the distribution of various age groups in a population.  Different shapes can tell us if:  A country is facing very high/low birth rates  A country is suffering from growing/aging population  Indicates good/poor health and medical care  Level of development
  • 3. + General Structure The left side of each pyramid shows the number of men in each age group The right side shows the number of women The longer the line, the more no. of people there are in that age group
  • 4. + 3 main shapes Triangle Hexagon Cup
  • 5. + Triangle Developing Country Most countries in Africa Widest btw 0 – 20 yrs old = High Birth Rates Narrowest at > 60 yrs = Low life expectancy
  • 6. + Triangle Developing Country
  • 7. + Hexagon Developed Country (Population still growing) United States Singapore Canada UK Widest btw 20 – 60 yrs old = Decreasing BRs Broadening top = Increasing life expectancy
  • 8. + Hexagon Developed Country (Population still growing)
  • 9. + Cup Shaped Developed Country (Population Aging) Japan Italy Germany Narrowest at the base = low birth rates Widest at >60 yrs = Aging population
  • 10. + Cup Shaped Developed Country (Population Aging)
  • 11. Singapore 1955  1980  2010 Click on pic to link to website