People and places to live
Population
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)
N.B IT IS ONLY AN
AVEARGE NOT A TRUE
REPRESENTATION
DENSELY POPULATED
e.g.. 243 sq km
China
SPARSELY POPULATED
e.g. 2 sq km
Australia
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