Population structure - AQA AS Geography

Notes on population structure for AQA AS Geography 

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  • Created on: 10-05-11 10:56
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Population Pyramids
Qa) The 0-4 group for the UK is predicted to decrease slightly over the next 50years,
from about 3.5million to 3million, as the birth rate falls further. Both male and female
0-4s decrease by about 0.25million.
Predictably, the 0-4 group is much higher in Kenya due to the high birth rate there. It
was just under 5million in 2000 and is not predicted to change much in the next
50years. Male and female 0-4s stay just under 2.5million each.
Qb) In the UK the population pyramid from 2000 to 2025 stays fairly similar but
60-64 and 65-69 becomes the biggest group compared to the 30-34 and 35-39 group
in 2000, showing an ageing population. From 2025 to 2050, it becomes wider at the
top and narrower towards the bottom producing a column shape. There are more
elderly people than young people.
In Kenya, from 2000 to 2025, the pyramid widens a lot from the 10-24 ages, showing
the results of the high birth rate. The rest of the pyramid remains similar to 2000,
with more males living above 80 than females. From 2025 to 2050 it loses its pyramid
shape and become much wider in the middle (35-49 age group), again showing the
results of the high birth rate.
Qc) In migration of European workers would make the pyramid wider in the middle
(anywhere from the 20-60 age groups). If these people stayed in the country the
pyramid would be wider as these people got older and retired, leading to a possible
increase in the number of older people and a wider top to the pyramid. Out-migration
of retired people to Spain would make the top of the population pyramid narrower,
more noticeably in MEDCs as they have the most retired or over 60s people.


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