Population Pyramid Problem
A population pyramid is used to provide a visual impression of the age and sex composition of a country’s
population. A country’s population pyramid by age and sex cohorts is provided in the tables below. In order to
construct your own population pyramids for the four countries provided, follow these instructions:




Calculate the TOTAL Population (males and females combined)
Calculate percentage of TOTAL Population for each sex and age cohort
Use the grids provided to construct a population pyramid for each country
Refer to the pyramids you produce to answer the following questions
1. Classify the population growth rate for each of the 4 countries graphed:
a. India
_______________________________________
b. Japan
_______________________________________
c. Kenya
_______________________________________
d. United States _______________________________________
2. What is the total percentage of males and females in each of the 4 countries:
Males
Females
a. India
_____
______
b. Japan
_____
______
c. Kenya
_____
______
d. United States
_____
______
3. What country has the lowest percentage of female population? Why?
4. What is the total percentage of dependents in the population of each country?
a. India
_____________
b. Japan
_____________
c. Kenya
_____________
d. United States _____________
5. Which country has the highest percentage of young dependents? What problems does this create for this
country?
6. Which country has the highest percentage of elderly dependents? What problems does this create for
this country?
Country/Year
Population
Population
Population
Age
both sexes
male
female
---------------- --------------- -------------- -------------- -----India/2008
Total, all ages
1,147,995,898
591,681,864
556,314,034
0- 4
123,363,700
64,788,510
58,575,190
5- 9
121,036,567
63,358,494
57,678,073
10- 14
117,006,526
61,091,483
55,915,043
15- 19
108,646,964
56,593,585
52,053,379
20- 24
102,476,086
53,191,466
49,284,620
25- 29
96,059,863
49,568,759
46,491,104
30- 34
89,338,672
45,860,781
43,477,891
35- 39
81,501,907
41,686,649
39,815,258
40- 44
69,753,448
35,733,520
34,019,928
45- 49
58,820,730
30,171,581
28,649,149
50- 54
48,853,221
25,041,520
23,811,701
55- 59
39,744,574
20,278,259
19,466,315
60- 64
31,830,119
16,031,461
15,798,658
65- 69
24,375,626
12,025,234
12,350,392
70- 74
17,163,732
8,229,902
8,933,830
75- 79
10,548,461
4,867,548
5,680,913
80+
7,475,702
3,163,112
4,312,590
Sex
ratio
106.4
110.6
109.8
109.3
108.7
107.9
106.6
105.5
104.7
105.0
105.3
105.2
104.2
101.5
97.4
92.1
85.7
73.3
Japan/2008
Total, all ages
0- 4
5- 9
10- 14
15- 19
20- 24
25- 29
30- 34
35- 39
40- 44
45- 49
50- 54
55- 59
60- 64
65- 69
70- 74
75- 79
80+
127,288,419
5,363,680
5,953,420
6,069,968
6,148,860
6,980,191
7,790,091
9,282,921
9,691,965
8,310,464
7,681,599
7,823,404
9,935,093
8,762,530
7,843,139
6,804,504
5,574,828
7,271,762
62,083,345
2,754,167
3,056,536
3,115,736
3,152,487
3,571,666
3,982,523
4,743,183
4,935,802
4,194,790
3,856,486
3,904,950
4,906,429
4,264,745
3,726,488
3,110,848
2,394,868
2,411,641
65,205,074
2,609,513
2,896,884
2,954,232
2,996,373
3,408,525
3,807,568
4,539,738
4,756,163
4,115,674
3,825,113
3,918,454
5,028,664
4,497,785
4,116,651
3,693,656
3,179,960
4,860,121
95.2
105.5
105.5
105.5
105.2
104.8
104.6
104.5
103.8
101.9
100.8
99.7
97.6
94.8
90.5
84.2
75.3
49.6
Kenya/2008
Total, all ages
0- 4
5- 9
10- 14
15- 19
20- 24
25- 29
30- 34
35- 39
40- 44
45- 49
50- 54
55- 59
60- 64
65- 69
70- 74
75- 79
80+
37,953,838
6,525,155
5,253,032
4,240,679
4,059,348
3,884,799
3,453,614
2,574,467
1,889,075
1,555,020
1,252,958
973,916
749,750
540,285
401,153
285,630
179,461
135,496
19,022,143
3,286,682
2,645,448
2,133,659
2,044,374
1,957,524
1,749,070
1,334,050
981,727
784,254
605,017
452,682
342,732
247,038
183,370
131,140
82,237
61,139
18,931,695
3,238,473
2,607,584
2,107,020
2,014,974
1,927,275
1,704,544
1,240,417
907,348
770,766
647,941
521,234
407,018
293,247
217,783
154,490
97,224
74,357
100.5
101.5
101.5
101.3
101.5
101.6
102.6
107.5
108.2
101.7
93.4
86.8
84.2
84.2
84.2
84.9
84.6
82.2
United States/2008
Total, all ages
303,824,646
149,346,264
154,478,382
0- 4
21,009,914
10,734,313
10,275,601
5- 9
20,155,574
10,298,245
9,857,329
10- 14
19,981,265
10,224,550
9,756,715
15- 19
21,728,978
11,146,876
10,582,102
20- 24
21,186,421
10,857,331
10,329,090
25- 29
21,161,376
10,760,554
10,400,822
30- 34
19,531,264
9,871,724
9,659,540
35- 39
20,909,399
10,489,404
10,419,995
40- 44
21,428,750
10,664,131
10,764,619
45- 49
22,858,209
11,285,615
11,572,594
50- 54
21,463,268
10,511,655
10,951,613
55- 59
18,580,896
8,998,550
9,582,346
60- 64
15,139,163
7,240,061
7,899,102
65- 69
11,321,863
5,280,896
6,040,967
70- 74
8,732,349
3,933,217
4,799,132
75- 79
7,226,693
3,064,466
4,162,227
80+
11,409,264
3,984,676
7,424,588
---------------- --------------- -------------- -------------- -----Source: U.S. Census Bureau, International Data Base.
96.7
104.5
104.5
104.8
105.3
105.1
103.5
102.2
100.7
99.1
97.5
96.0
93.9
91.7
87.4
82.0
73.6
53.7
Males
Females
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
10
8
6
4
2
0
2
4
6
8
Males
10
8 6 4 2
Females
0 2 4 6 8 10
Males
10
8 6 4 2
Females
0 2 4 6 8 10
Males
10
8 6 4 2
Females
0 2 4 6 8 10