interpret demographic charts

8/8/2019 Interpret Demographic Charts

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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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Predicted age and sex distribution for the year 2020:


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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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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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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)

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