population people and places to live. what % of the earth’s surface is suitable for humans to live...
TRANSCRIPT
Population
People and places to live
What % of the earth’s surface is suitable for humans to live on?
70% water
10% dry
5% mountains
5% cold
Answer:
10%
So where do they live?
Population distribution = describes how people are spread out over the earths
surface
Topological Maps
A topological maps are an simple way to show information and they help us to make easy
comparisons between places
Adult Literacy Rate (%) London Underground
London Underground
Adult Literacy Rate (%)
How is the world’s population distributed across the surface
of the world?
Population density
• What is it?• How does it vary
around the world?• What affects it?
Population density
• What is it?• How does it vary around the world?
What is it?• Population density = the average number of
people living in a given area
• Population density = Population Per sq km Area (KM)
DENSELY POPULATED e.g.. 243 sq km
China
SPARSELY POPULATED e.g. 2 sq kmAustralia
N.B IT IS ONLY AN AVEARGE NOT A TRUE REPRESENTATION
Extension – page 102 Understanding GCSE Geography
1) Describe the distribution pattern for Figures 1, 2 and 4
2) Figure 3 to help you – can you explain why the world population distribution is as it is.
Population Clock
http://opr.princeton.edu/popclock