Name: ______________________________ Date: ____________________ Period: ___
Population Pyramids and the Demographic Transition Model
SCO: Interpret aspects of population, using vital statistics as tools; analyze the implication
of growth, distributions, and densities.
STATISTICS FOR POPULATION PYRAMIDS: CANADA AND CHAD
Canada 2000
Chad 2000
Total Population = 31 099 561
Total Population = 7 942 675
Age
Age
% Male
%
% Male % Female
Female
TOTAL
100
TOTAL
100
0-4
2.9
2.7
0-4
10.3
9.2
5-9
3.4
3.2
5-9
8.1
7.3
10-14
3.5
3.2
10-14
6.9
6.3
15-19
3.5
3.3
15-19
5.3
5.3
20-24
3.5
3.3
20-24
3.6
4.2
25-29
3.5
3.3
25-29
2.9
3.5
30-34
3.7
3.6
30-34
2.7
3.0
35-39
4.4
4.3
35-39
2.4
2.4
40-44
4.3
4.2
40-44
2.0
2.1
45-49
4.3
3.8
45-49
1.6
1.8
50-54
3.4
3.3
50-54
1.3
1.5
55-59
2.6
2.5
55-59
1.1
1.2
60-64
2.0
2.0
60-64
0.8
1.0
65-69
1.9
2.0
65-69
0.6
0.7
70-74
1.6
1.9
70-74
0.4
0.5
75-79
1.1
1.5
75-79
0.2
0.3
+80
1.2
2.2
+80
0.1
0.2
Step 1:
a) Using the data in the tables, construct population pyramids for Canada and Chad.
Use three colors on your population pyramid to distinguish pre-reproductive,
reproductive and post reproductive age. (10 marks)
Name: ______________________________ Date: ____________________ Period: ___
b)
Compare the two countries in the chart below: (6 marks)
Canada
Chad
MEDC/LEDC
Shape of age-sex
structure
(expansive or
stationary)
Birth Rate
(high or low)
Death Rate
(high or low)
% of Population
under 15 years
% of Population
over 65 years
18.9%
13.4%
b) Are most of the population young dependants, old dependants or working age
for Canada and for Chad? (2 marks)
c) Calculate the dependency ratio for each country. (2 marks)
e)
Which stage of the demographic transition model is each country in? (2
marks)
Name: ______________________________ Date: ____________________ Period: ___
f)
Calculate the Rate of Natural Increase and the Doubling Time for each
country. Explain what the population growth rate looks like for each. (6
marks
CBR
CDR
Canada
11
7
Chad
48
18
www.worlddatabank.org : CBR & CDR CANADA AND CHAD
g)
Describe any problems each country may encounter in relation to social
services (such as health, education, welfare and old-age security) in the future.
(2 marks)
Name: ______________________________ Date: ____________________ Period: ___