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