1. Population Pyramids & the Demographic Transition
Population Geography
Population Pyramids
& the
Demographic Transition

2. Population Pyramids Show age & sex structure of a population
Females are always right
Dependency Ratio

16. Demographic Transition Theory
From Periphery to Core
From past to present
From High DR’s & BR’s to low BR’s & DR’s
Transition in shape of population profiles

39. % Population in Agriculture

43. AIDS in Africa? AIDS & friction of distance AIDS & population growth?
More people in the long term?
Halt transition in the 3rd stage?

44. Tragedy of the Commons
What’s good for the individual is bad for the group as a whole
Sheep
Global fisheries
The decision to have children in Kenya