youthful populations.ppt
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Youthful populations: case
study GambiaDefine key terms economically active, young
dependants, old dependants and dependencyratios.
I can understand ho to calculate dependency rationsI can e!plain problems caused by high numbers of old
dependants in "#D$%s and young dependants inD$%s: case study Gambia
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Dependency ratio:
4 $alculated by:
(his indicator gives insight into the amount of people of non1orking
age compared to the number of those of orking age. high ratio
means those of orking age 1 and the overall economy 1 face a
greater burden in supporting the aging population.
(he young dependency ratio includes only under )*s, and the elderly
dependency ratio focuses on those over +2. 5or e!ample, if in a
population of ),000 there are 6*0 people under the age of )* and *00
people beteen the ages of )*1+2. (he youth dependency ratio ould
be *07 /6*08*003.
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(riangular graphs(riangular graphs
C
hildren
Elderly
Adults
UK
Children 30%
Adults 58%Elderly 12%
This type of
graph may also
be included on
paper1:
Geographical
skills
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Children
Adults Elderly
UK 30 58 12Japan 22 56 22
Ghana 65 33 2
Brail 38 5! 8"#rld !5 !8 $
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Youthful Populations:
Where/Why?4 9igh proportion of young people due to
high birth rates and a reduction in infantmortality. (his is due to better nutrition,
education and medical care.4 (his may create problems since the
children need feeding, housing, education
and eventually a ob.4 "edical care and education has to be paid
for by ta!ing a proportionally small numberof orkers.
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Youthful Population Structure
Population Pyramids!
;een as a ide base on population pyramids
that reflect high birth rates in D$s.
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Youthful Population Structure
"T#!4 Stage $:
4 (his is here the birth rates are high but
the death rates begin to fall.
4 (his results in the population increasing.
4 &ots of countries in the developing orld
are at this stage, due to improved medicalcare, but poor education.
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&arge potential orkforce
$ost of schools and clinics
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(he Gambia
(he Gambia is the smallest frican country
(he birth rate is 20 per )000
population
>*7 of Gambia%s populationare "uslim. (here has been
a taboo on contraceptives
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(ypical Gambian ?oman5ertility rate:
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ther 5actors that may lead to a
groing population in (he Gambia
(he Desire for a large family remains strong.
&arger families are seen as a
sign of security.
(he ;tigma and cost of contraception1
links to religious background.
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$ase study notes from D@D:
(he Gambia4 Youthful populations: %ase study Gambia
4 ?hy do Gambian omen have so many childrenA
4 ?hat ill be the impacts of a large population forGambia in the futureA
4 ?hat has been done abut the youthful populationA
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+ mark case study Buestion
4 5or an area you have studied e!plainthe
conseBuenses of it having a youthful population
/+3
Success criteria:You must e!plain1 not ust describe the issues
Insure you include detail that is specific to the area you are riting
about /e.g. figures3
#nsure you focus on the Buestion(ry and include some balance in your anser /the positives and
negatives3.
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