GLOBAL ISSUES

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GLOBAL ISSUES ANCHOR BAY HIGH SCHOOL
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OBJECTIVES

• Define the term Population.
• Describe the Demographic Transition Model of
  population growth.
• Define key terms associated with world population
  growth.

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WHAT IS POPULATION?
POPULATION REFERS TO THE NUMBER OF PEOPLE LIVING
IN A NATION, OR OTHER LOCATION
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WORLD POPULATION GROWTH HAS SURGED FROM AROUND
600 MILLION PEOPLE IN 1 A.D. TO OVER SIX BILLION
PEOPLE TODAY
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HOW MUCH IS A BILLION?

• A BILLION IN AMERICA IS A THOUSAND MILLION

THAT WOULD BE WRITTEN LIKE THIS 1,000,000,000
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HOW MUCH IS A BILLION?

• IF WE WANTED TO MAKE A BOOK WITH A BILLION
  DOLLAR SIGNS, PRINTED 1,000 PER PAGE ON BOTH
  SIDES, THE BOOK WOULD BE 500,000 PAGES LONG.

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HOW MUCH IS A BILLION?

• IF YOU SAT DOWN TO COUNT FROM ONE TO ONE
  BILLION, YOU WOULD BE COUNTING FOR 95 YEARS.

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HOW MUCH IS A BILLION?

• A BILLION SECONDS AGO, IT WAS 1959

THE YEAR I WAS BORN
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HOW MUCH IS A BILLION?

• A BILLION MINUTES AGO JESUS WAS ALIVE

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HOW MUCH IS A BILLION?

• A BILLION MONTHS AGO OUR ANCESTORS WERE LIVING
  IN THE STONE AGE.

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HOW MUCH IS A BILLION?

• THE FEDERAL GOVERNMENT SPENDS A BILLION DOLLARS
  EVERY EIGHT HOURS AND 20 MINUTES.

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HOW MUCH IS A BILLION?

• The population of the world is just over 6
  billion.
• Every second five people are being born but
  only two die.

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COPY THE GRAPH SHOWN ON THE NEXT SLIDE
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World Population Growth Through History
Billions
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11
2100
10
9
Modern
Age
Old
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Iron
Middle
Bronze
Stone
Age
New Stone Age
Age
Ages
Age
7
Future
6
2000
5
4
1975
3
1950
2
1900
1
1800
Black Death

The Plague
A.D.
A.D.
A.D.
1000
2000
3000
4000
5000
6000
7000
1 million
A.D.
A.D.
A.D.
B.C.
B.C.
B.C.
years
2000
1000
1
B.C.
B.C.
B.C.
B.C.
3000
4000
5000
Source Population Reference Bureau and United
Nations, World Population Projections to 2100
(1998).
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DEMOGRAPHIC TRANSITION MODEL

• THE DEMOGRAPHIC TRANSITION MODEL IS USED TO
  EXPLAIN HOW WORLD POPULATION GROWTH PATTERNS

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HIGH STATIONARY

• HIGH BIRTH RATES

HIGH DEATH RATES
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EARLY EXPANDING

• HIGH BIRTH RATES

LOWER DEATH RATES
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LATE EXPANDING

• LOWER BIRTH RATES

LOWER DEATH RATES
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LOW STATIONARY

• LOW BIRTH RATES AND LOW DEATH RATES

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COPY THE GRAPH SHOWN ON THE NEXT SLIDE
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The Classic Stages of Demographic Transition
Note Natural increase is produced from the
excess of births over deaths.
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NATURAL INCREASE

• NUMBER OF BIRTHS MINUS THE NUMBER OF DEATHS

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BIRTH RATE

• NUMBER OF BIRTHS PER 1000 PEOPLE IN A POPULATION

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DEATH RATE

• NUMBER OF DEATHS PER 1000 PEOPLE IN A
  POPULATION

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INFANT MORTALITY

• NUMBER OF DEATHS OF PEOPLE LESS THAN ONE YEAR
  OLD PER 1000 PEOPLE IN A POPULATION

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LITERACY RATE

• PERCENTAGE OF PEOPLE IN A POPULATION WHO CAN
  READ AND WRITE

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GROWTH CURVE

• GROWTH CURVE REFERS TO THE DIRECTION OF GROWTH
  IN A POPULATION

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Slope

• The slope of a line refers to the ratio of
  vertical change to that of horizontal change or
• Vertical Change
• Horizontal Change

In demographics, population curves are S-Shaped
indicating a positive slope
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PER CAPITA INCOME

• TOTAL NATIONAL INCOME DIVIDED BY THE POPULATION
  OF A NATION
• UNITED STATES 36,000
• AFGHANISTAN 60

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GROSS DOMESTIC PRODUCT

• TOTAL VALUE OF GOODS AND SERVICES PRODUCED
  WITHIN A NATIONS BORDERS IN A YEAR

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AVERAGELIFE EXPECTANCY

• AVERAGE NUMBER OF YEARS A PERSON BORN IN A
  GIVEN YEAR CAN EXPECT TO LIVE

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Trends in Life Expectancy by Region
Life Expectancy at Birth, in Years
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IMMIGRATION

• MOVEMENT OF PEOPLE INTO A NATION FROM OTHER
  COUNTRIES

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EMIGRATION

• MOVEMENT OF PEOPLE FROM A NATION INTO OTHER
  NATIONS