Understanding Population Pyramids
Population Pyramids
http://ecp3113-01.fa01.fsu.edu/lively_introduction/fig7.gif
What will the pyramid look like in 2025? 2050?
Age Dependency
Ratio
Italy, 2000
AGE
4
80+ y rs.
75-79 y rs.
3
70-74 y rs.
65-69 y rs.
Males(% )
Females(% )
60-64 y rs.
55-59 y rs.
50-54 y rs.
45-49 y rs.
40-44 y rs.
35-39 y rs.
5
2
30-34 y rs.
25-29 y rs
20-24 y rs
15-19 y rs.
10-14 y rs.
1
5-9 y rs.
0-4 y rs.
10
8
6
4
2
0
PERCENT
2
4
6
8
10
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.
Aging population…
…declining birth rate
Italy, 2000
AGE
80+ y rs.
75-79 y rs.
70-74 y rs.
65-69 y rs.
Males(% )
Females(% )
60-64 y rs.
55-59 y rs.
50-54 y rs.
45-49 y rs.
40-44 y rs.
35-39 y rs.
30-34 y rs.
25-29 y rs
20-24 y rs
15-19 y rs.
10-14 y rs.
5-9 y rs.
0-4 y rs.
10
8
6
4
2
0
PERCENT
2
4
6
8
10
Italy, 2025
AGE
80+ y rs.
75-79 y rs.
70-74 y rs.
65-69 y rs.
Males(% )
Females(% )
60-64 y rs.
55-59 y rs.
50-54 y rs.
45-49 y rs.
40-44 y rs.
35-39 y rs.
30-34 y rs.
25-29 y rs
20-24 y rs
15-19 y rs.
10-14 y rs.
5-9 y rs.
0-4 y rs.
10
8
6
4
2
0
PERCENT
2
4
6
8
10
Italy, 2050
AGE
80+ y rs.
75-79 y rs.
70-74 y rs.
65-69 y rs.
Males(% )
Females(% )
60-64 y rs.
55-59 y rs.
50-54 y rs.
45-49 y rs.
40-44 y rs.
35-39 y rs.
30-34 y rs.
25-29 y rs
20-24 y rs
15-19 y rs.
10-14 y rs.
5-9 y rs.
0-4 y rs.
10
8
6
4
2
0
PERCENT
2
4
6
8
10
Mammoni: “Mama’s Boy”
http://marketplace.publicradio.org/display/web/2007/11/22/why_italian_men_wont_leave_the_nest/#
How is this
population pyramid
different from Italy’s?
http://www.townsendchamber.org
Population Pyramids
at Different Scales
• Country
• State
• County (Borough)
http://www.aleutianseast.org
http://dsc.discovery.com/fansites/deadliestcatch/deadliestcatch.html
ACTIVITY
for
Selected Population Pyramids
in the
United States
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. Punta Gorda, FL - retirement community
D. Leavenworth, KS - United States Penitentiary
E. Manhattan, NYC - wealthy downtown, few large families
F. Nothhamton, MA - Smith College, an all girls college
G. Fort Bragg, NC - United States Army Fort
H. Springfield, IL - average American city
Answers
•
•
•
•
•
•
•
•
1. B
2. A
3. E
4. C
5. G
6. H
7. F
8. D
Population Pyramids for Selected
Countries
Guest Workers, mainly from South Asia
Guest Workers from India in the Persian Gulf Countries
http://fusions.wordpress.com/2007/08/06/migrant-workers-in-dubai
Post War Baby Boom and Declining Birth Rate
http://kotaku.com/gaming/only-in-japan/strange-japanese-game-center-name-226261.php
http://www.economist.com/world/displaystory.cfm?story_id=9539825
Declining Birth Rate, Emigration, War
Mourning the dead.
http://www.dw-world.de/dw/article/0,2144,1817206,00.html
Stable Population Growth
Slow Decline
http://www.airninja.com/worldfacts/countries/Argentina/fertilityrate.htm
High Birth and Death Rates
“Although the Comoros is a poor country, extreme manifestations of
poverty such as famine or homelessness are rare. The great majority
of people have access to adequate food, clothing, shelter, and, to
some extent, water.”
http://poverty2.forumone.com/library/view/8688/
http://atlas.7jigen.net/photo/?n=Comoros&ln=en
Slightly Increasing Population
“Increased prosperity as a result of the Celtic Tiger's economic boom in
the wake of its 1973 EU membership has led to major changes in Ireland
which is no longer traditionally a country of emigration and is receiving
substantial numbers of immigrants to fill jobs.”
http://en.wikipedia.org/wiki/Image:Vilnius_at_Dublin.jpg
http://www.religiousconsultation.org/News_Tracker/Ireland_population_to_jump_to_five_million.htm
Extremely High Birth and Death Rates
Persistent Poverty and Violence
http://www.islamic-relief.com/submenu/appeal/somalia_crisis.htm
http://www.biyokulule.com/February_%201990s(4).htm