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Population Pyramids: Exercise

(http://faculty.washington.edu/krumme/350/exercises/poppyr.html)

Supporting Pages:

• Office of Financial Management: Intercensal and Postcensal Estimates of County Population by Age and Sex: 1980-1999
  • Technical Notes
• Washington State: The County Population Estimates by Race/Ethnicity, Age and Sex These data tables are presented in Excel. format. If you do not have Excel. or compatible spreadsheet software, you can download the free Excel. Reader from the Microsoft Web site.
• Pyramid (& Data) for Washington State 1990 (Census)
• PopPyr Washington State 1990 (Census) and 2020 (Forecast)
• Population Page
• Exercises

Construct a population pyramid for your selected county (for the most recent date for which data is available), interpret this age/sex structure, possibly by comparing it with that of Washington State or the United States, identify any peculiarities you may find, and, if appropriate, briefly discuss the significance of your county's age/sex structure for your topical interests.

You may submit your pyramid on paper or on your Website. For the latter, you may want to use the Washington State Pyramid as a template [I suggest that you multiply the equivalent values by at least 10].

Other Resources:

• Pyramid Building The purpose of this lesson is to provide students with the background to understand the importance of age structure on population growth. They do this by creating a population pyramid. This process will also help them understand the meaning of different shaped "pyramids" and the impacts of these different growth patterns.

• Population Pyramids and Us [National Geographic] Overview: When geographers want to examine the population of a given area, they may employ maps to help them see distribution patterns or employ photographs to analyze cultural activities. When geographers want to examine the structure of a population and the potential for growth in that population,...

• Constructing Population Pyramids in Excel [PSU/Geog] This tutorial was created by Geraint Morgan and modified by Tracey Farrigan
  1) Enter your data into the first three columns of an Excel worksheet--the first row should be the titles year(s)," "male," and "female." The second and following rows should contain the actual data: year (single or blocks), male, female. Name this page Data......

• Population of the United States, by Age and Sex, 1950-2050 (millions) [animated]

• Population Pyramid (text) for Canada
  • Animated, 1971-2005 The population pyramids presented here are animated to show the change in population distribution for Canada, the provinces and territories from 1971 to 2005. The data are standardized and expressed as a number per 100,000 population, allowing comparisons between regions of different sizes. To view the animated population pyramids, select the name of the region you wish to view...

• IDB Population Pyramids This page allows you to obtain population pyramids (graphs that show the distribution of population by age and sex) for one country.
  Type of output: Summary (1997, 2025, 2050). Select years. Dynamic.
  Graph size: Small; Medium; Large

• Worksheet for Population Pyramids

• Building Communities for Tomorrow (Iowa) A population pyramid graphically displays the age by sex data of a community at one point in time. The graph helps to easily see the age distribution of both males and females at a glance. By comparing population pyramids from various years (for example, past, present, projected) it is easy to see changes in the age structure of a community's population. It is also a very visual way to compare the community you are studying to another community to the state.

• Population Pyramids (Explanation of concept) || Illustration (1961 data / Canadian Schoolnet) "The standard bar graph is a convenient way to illustrate data. Bars allow the student to easily identify and compare relationships within a variable, by using a graphic representation of the number of cases per interval. The length of the bar is proportional to the number of cases in the interval."

• Population Pyramids / Age Structures [The Mining Company]

• United Nations: World at 6 Billion, World Population Pyramids for 1990 and 2050

• Aging Population [http://www.ac.wwu.edu/~stephan/webstuff/aging/] 14 countries, 1997 and 2050.

• Germany (1997)

• Jordan (1994)

• Michigan, 1900, 1930, 1960, 1990, 2020 (fig 1 & 2) "Population pyramids show the relative size of each age and sex category. The youngest age group is at the bottom and the oldest is at the top; males are on the left and females are on the right. The pyramids in Figure 1 are drawn to a uniform scale in order to illustrate the growth in the size of the population. The distance between each vertical line in Figure 1 represents 100,000 persons. The pyramids in Figure 2, on the other hand, are all equal in total size in order to better illustrate the changing structure of the population by age and sex."

• Some other Geog Prof's Pyramid Exercise

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• Germany || Some Explanations The population in both the old and new federal states began to decline in the 1970s because the birthrate was falling. Since 1990, however, there has once again been a slight upward trend in the west. With 10.5 births per 1,000 inhabitants per year (in the western part of the country) Germany nevertheless has one of the lowest birthrates in the world. The population increase after the Second World War was mainly due to immigration. Some 13 million refugees and expellees entered the present German territory from the former German eastern provinces and Eastern Europe.

  A Baby Boom in the Making? [Week in Germany, Oct.10, 1997] Just in time for the Day of German Unity, the Federal Bureau of Statistics offered the best evidence yet that Germany is getting over its post-unification blues. On October 2, the bureau reported Germans, both eastern and western, are having more babies these days. The number of births rose last year for the first time since 1990, rising by just over four percent from 1995 to 796,013.

  The increase was strongest - 11.3 percent - in eastern Germany. Births there had fallen off dramatically in the wake of unification; the low point came in 1994, when the number of births (78,700) had dropped by 60 percent from the pre-unification level.

  According to the Bureau of Statistics, the decline was due in part to the relocation of numerous young eastern Germans to the western half of the country and in part to the widespread uncertainty prompted by the collapse of the eastern economy. A turnaround began in 1995, as the number of births rose to 83,847, and picked up pace in 1996, with 93,325 live births recorded for the year. 1996 also saw the first increase in births in western Germany since 1991.

  The number of births there rose by 3.1 percent to a total of 702,688. In announcing the new birth figures, the Bureau of Statistics noted one continuing difference between the old and new states. The average age of first-time mothers remains somewhat lower in eastern Germany (27.3) than in western (28.4).

  About.com/Mining Co.'s Pyramid Web site

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  Age is a very high price to pay for maturity.

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  Return to: Geog 350 || Population Page || Exercises || Econ & Bus Geog
  2001 [econgeog@u.washington.edu]