The World of the The World of the Sixth Billionth ChildSixth Billionth Child

Each day, the world’s Each day, the world’s population continues to population continues to

grow…grow…

In 1999, the earth’s In 1999, the earth’s population surpassed 6 population surpassed 6

billion.billion.

Did You Know?Did You Know?

10% of 10% of all of the all of the people people

ever born ever born in the in the history of history of the world the world are alive are alive today!today!

Nevertheless, global Nevertheless, global population continues to rise population continues to rise

at a rate at a rate of roughly of roughly 78 million people78 million people

per year. per year. Most of the growth is taking Most of the growth is taking place in place in sub-Saharan Africasub-Saharan Africa

and parts of and parts of South and South and Western Asia.Western Asia.

……and children account for and children account for

1/3 of the whole 1/3 of the whole population!population!

While the While the elderly over elderly over

65 years 65 years of age of age

make up make up only 7%.only 7%.

Unfortunately, the most Unfortunately, the most affected countries are also affected countries are also

the ones least able to the ones least able to support more people.support more people.

According to the According to the United Nations, United Nations,

80 percent and the 80 percent and the ““developingdeveloping” countries ” countries account for 95 percent account for 95 percent of population growth!of population growth!

However, according to However, according to the the

United Nations, United Nations, more than half of the more than half of the

world’s world’s developed developed countries will countries will experience experience

population declines.population declines.

Measuring PopulationMeasuring Population

When examining how the When examining how the earth’s population is earth’s population is

changing, we look at statistics changing, we look at statistics such as:such as:

Density =Density =

amount of amount of arable arable land per land per personperson

The The population densitypopulation density is derived by dividing is derived by dividing the number of people the number of people

by the area they by the area they occupy.occupy.

This map shows the number of This map shows the number of people per square kilometer around people per square kilometer around

the world.the world.

USA density

We also look at the:We also look at the:

““Carrying Capacity”Carrying Capacity”

The number of people The number of people which can be which can be supported by supported by available resources...available resources...

……data is presented data is presented according to according to

“demographics”“demographics”

GENDERGENDER AGEAGE LIFE LIFE

EXPECTANCEXPECTANCYY

OCCUPATIOOCCUPATIONN

EDUCATIONEDUCATION RACE,RACE,

ETHNICITYETHNICITY

ESTIMATING ESTIMATING POPULATION POPULATION

CHANGESCHANGES

Population changes Population changes can be measured can be measured by looking at three by looking at three sets sets of statistics…of statistics…

1.1. BIRTH RATES BIRTH RATES

2.2. DEATH (Mortality) DEATH (Mortality) RATES, RATES,

3.3. MIGRATION MIGRATION

1. “BIRTH RATE” 1. “BIRTH RATE” is the is the percentage of children percentage of children born each year. born each year.

If the number of births is If the number of births is greatergreater than the number than the number of deaths, the size of a of deaths, the size of a nation’s population willnation’s population will growgrow..

TODAY’S POPULATION TODAY’S POPULATION TIME CLOCK:TIME CLOCK:

One child is One child is born every born every

4 seconds4 seconds One childOne child dies every dies every 2 seconds.2 seconds.

2. DEATH (Mortality) 2. DEATH (Mortality) RATE, RATE, simply put, is the simply put, is the percentage of citizens percentage of citizens that die each year in a that die each year in a nation. nation.

If the number of deaths is If the number of deaths is greatergreater than the number than the number of of birthsbirths, a nation’s , a nation’s population will population will decreasedecrease..

LIFE EXPECTANCY:LIFE EXPECTANCY:

A useful way to express A useful way to express

the level of mortality the level of mortality

of a population is of a population is

LIFE EXPECTANCYLIFE EXPECTANCY at at birth. birth.

LIFE LIFE EXPECTANCY EXPECTANCY at birth is the at birth is the

average average number of number of

yearsyears a group of a group of

people born in people born in the the

same year can same year can be be

expected to expected to live.live.

At the turn of the 21st At the turn of the 21st century, the overall life century, the overall life expectancy in the world expectancy in the world was was 64 years64 years. .

Countries with the Countries with the highest levels of life highest levels of life expectancy were those of expectancy were those of developed developed nations in nations in North America and North America and Europe.Europe.

3. MIGRATION: 3. MIGRATION:

Migration of people from oneMigration of people from one

nation to another affects thenation to another affects the

population growth rate; population growth rate;

However, migration is a lessHowever, migration is a less

predictable statistic!predictable statistic!

MIGRATION MIGRATION is an important is an important element of many nation’s element of many nation’s

population changes…population changes…

Some people migrate Some people migrate because they are being because they are being PUSHED OUTPUSHED OUT of their of their homelands by warfare, homelands by warfare, unrest, or persecution…unrest, or persecution…

……Others are Others are PULLED TOWARDPULLED TOWARD

new homelands because new homelands because of better economic of better economic

opportunities opportunities elsewhere…elsewhere…

There is currently a shift There is currently a shift across national boundaries across national boundaries of approximately of approximately 3 million3 million

people each year!people each year!

Mexico is the largest Mexico is the largest SENDER SENDER of people of people to other nations. to other nations.

Some 300,000 leave Some 300,000 leave each year.each year.

China is the next largest China is the next largest SENDERSENDER, transferring , transferring

about 250,000 each year.about 250,000 each year.

On the other sides of the On the other sides of the equation, the United States equation, the United States RECEIVESRECEIVES about about one-thirdone-third of of

the total migration in the the total migration in the world!world!

The Story of the The Story of the 6th Billionth Child is more 6th Billionth Child is more

than just numbers…than just numbers…

Defining Defining “Overpopulation” ?“Overpopulation” ?

Comfort vs.SurvivalComfort vs.Survival

How Do Humans Use Their How Do Humans Use Their Environment?Environment?

Resource Bank for Resource Bank for

Raw MaterialsRaw Materials HabitatHabitat Waste Disposal Waste Disposal

Site Site

The World of theThe World of the6th Billionth Child will face 6th Billionth Child will face

issues involving...issues involving...

AirAirWaterWaterNutritioNutritio

nn

HealthHealthHousingHousingEducationEducation

Nearly three-fifths Nearly three-fifths of the 4.8 billion of the 4.8 billion

people people in developing in developing

countries countries have no have no

basic basic sanitation.sanitation.

Almost a third Almost a third lack access to lack access to clean water.clean water. A quarter A quarter have no have no adequate adequate housing. housing.

Leading Causes of Death…

Depletion of the Earth’s Depletion of the Earth’s resources to meet population resources to meet population

growth is an issue… growth is an issue… For example, unrestricted For example, unrestricted

logging, poor farming logging, poor farming practices, and overfishing, practices, and overfishing,

threatens human life threatens human life

around the worldaround the world..

The challenge remains The challenge remains to find ever more efficient to find ever more efficient and less environmentally and less environmentally

harmful ways harmful ways to feed the world.to feed the world.

Better management of Better management of soil, for example, by soil, for example, by

rotating crops, can reduce rotating crops, can reduce the need to clear more the need to clear more

woodland for agriculture.woodland for agriculture.

Something to think Something to think about…about…

When you graduate When you graduate from High School,from High School,

the the 7th7th Billionth Child Billionth Child

Will be Born !Will be Born !

The World of the The World of the Sixth Billionth ChildSixth Billionth Child

Sources: The U.S. Census Bureau,Sources: The U.S. Census Bureau,The United Nations,The United Nations,Population Research BureauPopulation Research Bureau