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 Sex Age both sexes male female ratio ------India/2008 Total, all ages 1,147,995,898 591,681,864 556,314,034 106.4 0- 4 123,363,700 64,788,510 58,575,190 110.6 5- 9 121,036,567 63,358,494 57,678,073 109.8 10- 14 117,006,526 61,091,483 55,915,043 109.3 15- 19 108,646,964 56,593,585 52,053,379 108.7 20- 24 102,476,086 53,191,466 49,284,620 107.9 25- 29 96,059,863 49,568,759 46,491,104 106.6 30- 34 89,338,672 45,860,781 43,477,891 105.5 35- 39 81,501,907 41,686,649 39,815,258 104.7 40- 44 69,753,448 35,733,520 34,019,928 105.0 45- 49 58,820,730 30,171,581 28,649,149 105.3 50- 54 48,853,221 25,041,520 23,811,701 105.2 55- 59 39,744,574 20,278,259 19,466,315 104.2 60- 64 31,830,119 16,031,461 15,798,658 101.5 65- 69 24,375,626 12,025,234 12,350,392 97.4 70- 74 17,163,732 8,229,902 8,933,830 92.1 75- 79 10,548,461 4,867,548 5,680,913 85.7 80+ 7,475,702 3,163,112 4,312,590 73.3

Japan/2008 Total, all ages 127,288,419 62,083,345 65,205,074 95.2 0- 4 5,363,680 2,754,167 2,609,513 105.5 5- 9 5,953,420 3,056,536 2,896,884 105.5 10- 14 6,069,968 3,115,736 2,954,232 105.5 15- 19 6,148,860 3,152,487 2,996,373 105.2 20- 24 6,980,191 3,571,666 3,408,525 104.8 25- 29 7,790,091 3,982,523 3,807,568 104.6 30- 34 9,282,921 4,743,183 4,539,738 104.5 35- 39 9,691,965 4,935,802 4,756,163 103.8 40- 44 8,310,464 4,194,790 4,115,674 101.9 45- 49 7,681,599 3,856,486 3,825,113 100.8 50- 54 7,823,404 3,904,950 3,918,454 99.7 55- 59 9,935,093 4,906,429 5,028,664 97.6 60- 64 8,762,530 4,264,745 4,497,785 94.8 65- 69 7,843,139 3,726,488 4,116,651 90.5 70- 74 6,804,504 3,110,848 3,693,656 84.2 75- 79 5,574,828 2,394,868 3,179,960 75.3 80+ 7,271,762 2,411,641 4,860,121 49.6

Kenya/2008 Total, all ages 37,953,838 19,022,143 18,931,695 100.5 0- 4 6,525,155 3,286,682 3,238,473 101.5 5- 9 5,253,032 2,645,448 2,607,584 101.5 10- 14 4,240,679 2,133,659 2,107,020 101.3 15- 19 4,059,348 2,044,374 2,014,974 101.5 20- 24 3,884,799 1,957,524 1,927,275 101.6 25- 29 3,453,614 1,749,070 1,704,544 102.6 30- 34 2,574,467 1,334,050 1,240,417 107.5 35- 39 1,889,075 981,727 907,348 108.2 40- 44 1,555,020 784,254 770,766 101.7 45- 49 1,252,958 605,017 647,941 93.4 50- 54 973,916 452,682 521,234 86.8 55- 59 749,750 342,732 407,018 84.2 60- 64 540,285 247,038 293,247 84.2 65- 69 401,153 183,370 217,783 84.2 70- 74 285,630 131,140 154,490 84.9 75- 79 179,461 82,237 97,224 84.6 80+ 135,496 61,139 74,357 82.2

United States/2008 Total, all ages 303,824,646 149,346,264 154,478,382 96.7 0- 4 21,009,914 10,734,313 10,275,601 104.5 5- 9 20,155,574 10,298,245 9,857,329 104.5 10- 14 19,981,265 10,224,550 9,756,715 104.8 15- 19 21,728,978 11,146,876 10,582,102 105.3 20- 24 21,186,421 10,857,331 10,329,090 105.1 25- 29 21,161,376 10,760,554 10,400,822 103.5 30- 34 19,531,264 9,871,724 9,659,540 102.2 35- 39 20,909,399 10,489,404 10,419,995 100.7 40- 44 21,428,750 10,664,131 10,764,619 99.1 45- 49 22,858,209 11,285,615 11,572,594 97.5 50- 54 21,463,268 10,511,655 10,951,613 96.0 55- 59 18,580,896 8,998,550 9,582,346 93.9 60- 64 15,139,163 7,240,061 7,899,102 91.7 65- 69 11,321,863 5,280,896 6,040,967 87.4 70- 74 8,732,349 3,933,217 4,799,132 82.0 75- 79 7,226,693 3,064,466 4,162,227 73.6 80+ 11,409,264 3,984,676 7,424,588 53.7 ------Source: U.S. Census Bureau, International Data Base. 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 Females

10 8 6 4 2 0 2 4 6 8 10 Males Females

10 8 6 4 2 0 2 4 6 8 10