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How do population pyramidshelp us learn about
population?
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Male Female
Population in millions
In this countrythe number of
people in eachage group isabout the same.
The largestcategory ofpeople wereborn about
40 years ago.
In this country there is a low Birth Rate and alow Death Rate.
This population pyramid is typical of countriesin the richer parts of the world (MEDCs.)
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Population in millions
Male Female
In this
country thebirth rate isdecreasing.
In the future the elderlypeople will make up thelargest section of the
population in this country.This is happeningmore and more in
many of the worldsricher countries.
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Male Female
Population in thousands
This country has a large numberof temporary workers. Theseare people who migrate here
especially to find a job.
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Population pyramid forMozambique.
Population pyramid forIceland.
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What happens next?
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What is going to happen to Japans population inthe future?
Why does this matter?
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?
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?
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?
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When you have finished;
Find out some background information on each countryand add this to your presentation.
Concentrate on facts and figures which you can use to
compare the countries such as % of the children atschool, type of jobs available, how rich or poor (GDPper capita.)
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Jamaica Population Pyramid for 1990
Age and sex distribution for the year 1990:
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Jamaica Population Pyramid for 1995
Age and sex distribution for the year 1995:
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Jamaica Population Pyramid for 2000
Age and sex distribution for the year 2000:
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Jamaica Population Pyramid for 2005
Age and sex distribution for the year 2005:
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Jamaica Population Pyramid for 2010
Age and sex distribution for the year 2010:
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Jamaica Population Pyramid for 2020
Predicted age and sex distribution for the year 2020:
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Jamaica Population Pyramid for 2050
Predicted age and sex distribution for the year 2050:
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FERTILITYR
ATE
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The total fertility rate
(the average number of
children per woman) hasbeen consistently falling
since the survey in 1975.
The 2002 survey showed
the total fertility rate to
have reached 2.5 childrenper woman, which is an
11% decline since 1997
and a 45% decline since
1975.
Total fertility issomewhat higher in rural
areas than in metropolitan
Kingston.
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BIRTHRATE
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Baby boom
(194664)
Replacement
level
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Year Birth rate Rank Percent ChangeDate of
Information
2003 17.35 136 2003 est.
2004 16.56 134 -4.55 % 2004 est.
2005 21.25 100 28.32 % 2005 est.
2006 20.82 101 -2.02 % 2006 est.
2007 20.44 103 -1.83 % 2007 est.
2008 20.04 102 -1.96 % 2008 est.
2009 19.68 103 -1.80 % 2009 est.
2010 19.47 99 -1.07 % 2010 est.
Definition: This entry gives the average annual number of births during a
year per 1,000 persons in the population at midyear; also known as crudebirth rate. The birth rate is usually the dominant factor in determining the
rate of population growth. It depends on both the level of fertility and the
age structure of the population.
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Factors Affecting Birth Rates (1)
Importance of children as part of labor force
Cost of raising and educating children
Availability of retirement systems
Urbanization
Educational and employment opportunities for women
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Factors Affecting Birth Rates (2)
Infant mortality rate
Average marriage age
Availability of legal abortion and reliable birth
control methods
Religious beliefs, traditions, cultural norms
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Factors Affecting Death Rates
Population growth also response to decline in crudedeath rate
Life expectancy and infant mortality rate important
indicators of overall health
Average life expectancy increased
Infant mortality barometer of a societys quality of
life
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7-3 How Does a Populations Age
Structure Affect Its Growth orDecline?
Concept 7-3 The numbers of males and females
in young, middle, and older age groups
determine how fast populations grow or
decline.
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Age Structure
Distribution of population
Prereproductive
Reproductive
Postreproductive
Country with many young people grows rapidly
Country with many older people will decline
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Population Age Structures
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Fig. 7-8, p. 131
DecliningGermanyBulgariaRussia
Male Female Male Female Male Female Male Female
Expanding RapidlyGuatemala
Nigeria
Saudi Arabia
Expanding SlowlyUnited States
Australia
China
StableJapanItaly
Greece
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Global Connections
Fig. 7-9, p. 132
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Migration
Migration driven by economic desires
Other reasons
Religious persecution
Political oppression
Ethnic conflicts
WarsEnvironmental degradation
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Tracking the Baby Boomers
Fig. 7-10, p. 132
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Fig. 7-10, p. 132
Stepped Art
2035201519851955
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Source: CIA World Factbook
2004 Population Data For Selected Countries
Country Population Births
Per 1000Pop.
Deaths
Per 1000Pop.
Net
Migration
Per 1000
Pop.
Population
Change
Per 1000
Pop.
Aids Deaths
in 2003Per 1000 Pop.
(Adult prevalence)
Botswana 1,561,973 24.71 33.63 0 -8.92 21.13
(37.3%)
Haiti 7,656,166 33.76 13.21 -3.4 17.15 3.14
(5.6%)
Jamaica 2,713,130 16.94 5.4 -4.92 6.62 0.33
(1.2%)
Barbados 278,289 12.98 9.08 -0.31 3.59 0.72
(1.5%)
UnitedStates
293,027,571 14.13 8.34 3.41 9.2 0.048(0.6%)
Germany 82,424,609 8.45 10.44 2.18 0.19 0.008
(0.1%)
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Source: CIA World Factbook
2006 Population Data For Selected Countries
Country Population Births
Per 1000Pop.
Deaths
Per 1000Pop.
Net
Migration
Per 1000
Pop.
Population
Change
Per 1000
Pop.
Aids Deaths
in 2003Per 1000 Pop.
(Adult prevalence)
Botswana 1,639,833 23.08 29.5 6.07 -0.35 21.13
(37.3%)
Haiti 8,308,504 36.44 12.17 -1.31 22.96 3.14
(5.6%)
Jamaica 2,758,124 20.82 6.52 -6.27 8.03 0.33
(1.2%)
Barbados 279,912 12.71 8.67 -0.31 3.73 0.72
(1.5%)
UnitedStates
298,444,215 14.14 8.26 3.18 9.06 0.048(0.6%)
Germany 82,422,299 8.25 10.62 2.18 -0.19 0.008
(0.1%)
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Source: CIA World Factbook
2009 Population Data For Selected Countries
Country Population Births
Per 1000Pop.
Deaths
Per 1000Pop.
Net
Migration
Per 1000
Pop.
Population
Change
Per 1000
Pop. (Fert)
Aids Deaths
in 2007(People living with
AIDS)
Botswana 1,990,876 22.89 8.52 5 19.37
(2.6)
11000
(300000)
Haiti 9,035,536 29.1 8.65 -2.07 18.38
(3.81)
7200
(120000)
Jamaica 2,825,928 19.68 6.43 -5.7 7.52
(2.25)
1500
(27000)
Barbados 284,589 12.55 8.41 -0.31 3.83
(1.68)