1. What’s the message?

2. Are some countries of the world
overpopulated?
Place your bets! As a table, decide
which TOP 10 countries are likely to
be overpopulated. Mark on the map.

3. ‘overpopulation occurs when the number of organisms (in this case humans) exceeds the
carrying capacity of their habitat’

4. Answers!
1. China
2. Singapore
3. India
4. USA
5. Indonesia
6. Brazil
7. Pakistan
8. Nigeria
9. Bangladesh
10.Japan

5. Definitions?
• Overpopulation =
• Carrying capacity =
• Optimum population =

6. Important!
• Whether an area is overpopulated depends on a
range of factors and NOT just on the size of the
population
• Overpopulation may also be for a CITY, a REGION
or a whole COUNTRY
• E.g. Portsmouth is an overpopulated city,
Hampshire is an underpopulated county, Southern
England is generally overpopulated, and yet the
UK is beginning to have a declining population!

7. What are the potential effects
of human overpopulation?

8. Exam Qs
• With reference to a named example, describe
some of the potential impacts of
overpopulation. [4marks]
• What might influence the carrying capacity of
an area? [2marks]