Understanding Population Pyramids

What does it mean that Mexico’s population pyramid is very wide at the bottom?

What does it mean that Sweden’s population pyramid is wider at the top than Mexico’s?

What predictions can you make from these population pyramids?

Population Pyramids 1

http://ecp3113-01.fa01.fsu.edu/lively_introduction/fig7.gif 1

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Analysis of Italy’s Population Pyramid 1. Decline in Birth Rate 2. Baby Boom 3. Fewer men due to World War I and II 4. More women due to: a. longer life expectancy and b. World Wars (I and II) 5. More 75-79 yrs than 0-4 yrs. Signs of a future worker shortage and an overall declining population. 1

Aging population… …declining birth rate 1

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How is this population pyramid different from Italy’s?

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Population Pyramids at Different Scales Country State County (Borough)

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http://www.aleutianseast.org 1

http://dsc.discovery.com/fansites/deadliestcatch/deadliestcatch.html 1

ACTIVITY for Selected Population Pyramids in the United States

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Choices… A. Ann Arbor, MI B. Buffalo county, SD C. Fort Bragg, NC D. Leavenworth, KS E. Manhattan, NYC F. Nothhamton, MA G. Punta Gorda, FL H. Springfield, IL

A. Ann Arbor, MI - University of Michigan Helpful Hints… A. Ann Arbor, MI - University of Michigan B. Buffalo county, SD - Crow Creek Indian Reservation, one of the poorest counties in the United States C. Fort Bragg, NC - United States Army Fort D. Leavenworth, KS - United States Penitentiary E. Manhattan, NYC - wealthy downtown, few large families F. Nothhamton, MA - Smith College, an all girls college G. Punta Gorda, FL - retirement community H. Springfield, IL - average American city 1

Answers 1. B 2. A 3. E 4. C 5. G 6. H 7. F 8. D 1

B A E C G H F D 1

Population Pyramids for Selected Countries 1

Guest Workers, mainly from South Asia 1

Guest Workers from India in the Persian Gulf Countries The hands that built the skyscrapers http://fusions.wordpress.com/2007/08/06/migrant-workers-in-dubai 1

Post War Baby Boom and Declining Birth Rate 1

http://kotaku.com/gaming/only-in-japan/strange-japanese-game-center-name-226261.php http://www.economist.com/world/displaystory.cfm?story_id=9539825 1

Declining Birth Rate, Emigration, War 1

Stable Population Growth 1

Slow Decline http://www.airninja.com/worldfacts/countries/Argentina/fertilityrate.htm 1

Extremely High Birth and Death Rates 1

Persistent Poverty and Violence http://www.islamic-relief.com/submenu/appeal/somalia_crisis.htm http://www.biyokulule.com/February_%201990s(4).htm 1

Constructing and Analyzing Population Pyramids Finding Age Sex Statistics on the U.S. Census Web Site Population Pyramid Construction directions using Microsoft Excel

What will the pyramid look like in 2025? 2050? 1

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Age Dependency Ratio 1

Analysis and Evaluation for the Metropolitan Area With the population pyramids displayed on the wall discuss the differences between the population pyramids in different areas of the county. Why are there differences? Where in the county is it wealthy? Poor? Where in the county is the population the youngest? Oldest? How do the suburbs differ from the inner city? 1